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Quarterly Financial Information Disclosure (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract] |
Quarterly financial data | The following unaudited information shows selected items by quarter for the years 2014 and 2013:
| First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter |
| (In thousands, except per share amounts)
2014 |  |  |  |
Operating revenues | $ | 1,042,853 |  | $ | 1,094,046 |  | $ | 1,370,455 |  | $ | 1,163,204 |
Operating expenses | 939,949 |  | 995,112 |  | 1,193,690 |  | 1,053,582 |
Operating income | 102,904 |  | 98,934 |  | 176,765 |  | 109,622 |
Income from continuing operations | 56,184 |  | 52,780 |  | 102,118 |  | 80,079 |
Income (loss) from discontinued operations, net of tax | (45 | ) | 547 |  | 3 |  | 2,672 |
Net income attributable to the Company | 56,662 |  | 54,106 |  | 103,209 |  | 84,256 |
Earnings per common share - basic: |  |  |  |  |  |  |
Earnings before discontinued operations | .30 |  | .28 |  | .53 |  | .42 |
Discontinued operations, net of tax | — |  | — |  | — |  | .01 |
Earnings per common share - basic | .30 |  | .28 |  | .53 |  | .43 |
Earnings per common share - diluted: |  |  |  |  |  |  |
Earnings before discontinued operations | .30 |  | .28 |  | .53 |  | .42 |
Discontinued operations, net of tax | — |  | — |  | — |  | .01 |
Earnings per common share - diluted | .30 |  | .28 |  | .53 |  | .43 |
Weighted average common shares outstanding: |  |  |  |  |  |  |
Basic | 189,820 |  | 192,060 |  | 193,949 |  | 194,136 |
Diluted | 190,432 |  | 192,659 |  | 194,300 |  | 194,219 |
2013 |  |  |  |  |  |  |  |
Operating revenues | $ | 931,604 |  | $ | 1,060,595 |  | $ | 1,285,782 |  | $ | 1,184,423 |
Operating expenses | 827,073 |  | 969,217 |  | 1,135,909 |  | 1,037,306 |
Operating income | 104,531 |  | 91,378 |  | 149,873 |  | 147,117 |
Income from continuing operations | 56,592 |  | 46,392 |  | 84,550 |  | 91,348 |
Loss from discontinued operations, net of tax | (77 | ) | (59 | ) | (118 | ) | (58 | )
Net income attributable to the Company | 56,515 |  | 46,512 |  | 84,456 |  | 91,450 |
Earnings per common share - basic: |  |  |  |  |  |  |  |
Earnings before discontinued operations | .30 |  | .25 |  | .45 |  | .48 |
Discontinued operations, net of tax | — |  | — |  | — |  | — |
Earnings per common share - basic | .30 |  | .25 |  | .45 |  | .48 |
Earnings per common share - diluted: |  |  |  |  |  |  |  |
Earnings before discontinued operations | .30 |  | .24 |  | .44 |  | .48 |
Discontinued operations, net of tax | — |  | — |  | — |  | — |
Earnings per common share - diluted | .30 |  | .24 |  | .44 |  | .48 |
Weighted average common shares outstanding: |  |  |  |  |  |  |  |
Basic | 188,831 |  | 188,831 |  | 188,831 |  | 188,929 |
Diluted | 189,222 |  | 189,463 |  | 189,638 |  | 189,766 |
Notes:
• | First quarter 2014 reflects an unrealized loss on commodity derivatives of $4.3 million (after tax). First quarter 2013 reflects an unrealized loss on commodity derivatives of $3.7 million (after tax).
• | Second quarter 2014 reflects an unrealized loss on commodity derivatives of $3.3 million (after tax). Second quarter 2013 reflects an impairment of coalbed natural gas gathering assets of $9.0 million (after tax) and an unrealized gain on commodity derivatives of $8.2 million (after tax). For more information, see Note 1.
• | Third quarter 2014 reflects an unrealized gain on commodity derivatives of $18.1 million (after tax). Third quarter 2013 reflects an unrealized loss on commodity derivatives of $7.9 million (after tax).
• | Fourth quarter 2014 reflects a MEPP withdrawal liability of $8.4 million (after tax) and an unrealized gain on commodity derivatives of $4.1 million (after tax). Fourth quarter 2013 reflects a net benefit of $1.5 million (after tax) related to natural gas gathering operations litigation and an unrealized loss on commodity derivatives of $500,000 (after tax). For more information, see Notes 16 and 19.

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=35737889&loc=d3e1280-108306 + Details
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