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Revenue from contracts with customers (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of revenue

In the following tables, revenue is disaggregated by the type of customer or service provided. The Company believes this level of disaggregation best depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors. The table also includes a reconciliation of the disaggregated revenue by reportable segments. For more information on the Company's business segments, see Note 17.

Three Months Ended September 30, 2021			Electric			Natural gas distribution			Pipeline			Construction materials and contracting			Construction services			Other			Total
			(In thousands)
Residential utility sales			$	36,412		$	55,284		$	—		$	—		$	—		$	—		$	91,696
Commercial utility sales			39,033			35,338			—			—			—			—			74,371
Industrial utility sales			10,495			5,395			—			—			—			—			15,890
Other utility sales			1,993			—			—			—			—			—			1,993
Natural gas transportation			—			11,812			28,058			—			—			—			39,870
Natural gas storage			—			—			3,483			—			—			—			3,483
Contracting services			—			—			—			415,106			—			—			415,106
Construction materials			—			—			—			617,823			—			—			617,823
Intrasegment eliminations			—			—			—			(201,630)			—			—			(201,630)
Inside specialty contracting			—			—			—			—			317,238			—			317,238
Outside specialty contracting			—			—			—			—			185,842			—			185,842
Other			12,589			2,110			3,290			—			75			3,423			21,487
Intersegment eliminations			(136)			(142)			(3,908)			(110)			(289)			(3,398)			(7,983)
Revenues from contracts with customers			100,386			109,797			30,923			831,189			502,866			25			1,575,186
Revenues out of scope			(1,456)			581			45			—			11,657			—			10,827
Total external operating revenues			$	98,930		$	110,378		$	30,968		$	831,189		$	514,523		$	25		$	1,586,013

Three Months Ended September 30, 2020			Electric			Natural gas distribution			Pipeline			Construction materials and contracting			Construction services			Other			Total
			(In thousands)
Residential utility sales			$	33,086		$	48,399		$	—		$	—		$	—		$	—		$	81,485
Commercial utility sales			35,688			28,731			—			—			—			—			64,419
Industrial utility sales			8,428			4,454			—			—			—			—			12,882
Other utility sales			1,779			—			—			—			—			—			1,779
Natural gas transportation			—			11,159			27,583			—			—			—			38,742
Natural gas gathering			—			—			973			—			—			—			973
Natural gas storage			—			—			3,885			—			—			—			3,885
Contracting services			—			—			—			448,569			—			—			448,569
Construction materials			—			—			—			608,673			—			—			608,673
Intrasegment eliminations			—			—			—			(234,693)			—			—			(234,693)
Inside specialty contracting			—			—			—			—			352,845			—			352,845
Outside specialty contracting			—			—			—			—			187,202			—			187,202
Other			7,663			2,590			3,203			—			486			3,030			16,972
Intersegment eliminations			(195)			(185)			(3,622)			(110)			(425)			(3,006)			(7,543)
Revenues from contracts with customers			86,449			95,148			32,022			822,439			540,108			24			1,576,190
Revenues out of scope			998			(445)			46			—			10,500			—			11,099
Total external operating revenues			$	87,447		$	94,703		$	32,068		$	822,439		$	550,608		$	24		$	1,587,289

Nine Months Ended September 30, 2021			Electric			Natural gas distribution			Pipeline			Construction materials and contracting			Construction services			Other			Total
			(In thousands)
Residential utility sales			$	99,106		$	341,901		$	—		$	—		$	—		$	—		$	441,007
Commercial utility sales			105,795			203,002			—			—			—			—			308,797
Industrial utility sales			30,878			20,387			—			—			—			—			51,265
Other utility sales			5,384			—			—			—			—			—			5,384
Natural gas transportation			—			35,715			85,160			—			—			—			120,875
Natural gas storage			—			—			10,606			—			—			—			10,606
Contracting services			—			—			—			791,964			—			—			791,964
Construction materials			—			—			—			1,332,997			—			—			1,332,997
Intrasegment eliminations			—			—			—			(394,126)			—			—			(394,126)
Inside specialty contracting			—			—			—			—			1,020,130			—			1,020,130
Outside specialty contracting			—			—			—			—			502,328			—			502,328
Other			31,827			7,913			10,760			—			168			10,152			60,820
Intersegment eliminations			(407)			(425)			(38,000)			(314)			(2,128)			(10,082)			(51,356)
Revenues from contracts with customers			272,583			608,493			68,526			1,730,521			1,520,498			70			4,200,691
Revenues out of scope			(5,329)			5,880			127			—			36,239			—			36,917
Total external operating revenues			$	267,254		$	614,373		$	68,653		$	1,730,521		$	1,556,737		$	70		$	4,237,608

Nine Months Ended September 30, 2020			Electric			Natural gas distribution			Pipeline			Construction materials and contracting			Construction services			Other			Total
			(In thousands)
Residential utility sales			$	93,389		$	313,753		$	—		$	—		$	—		$	—		$	407,142
Commercial utility sales			99,152			184,754			—			—			—			—			283,906
Industrial utility sales			26,867			18,633			—			—			—			—			45,500
Other utility sales			5,018			—			—			—			—			—			5,018
Natural gas transportation			—			33,307			82,980			—			—			—			116,287
Natural gas gathering			—			—			4,244			—			—			—			4,244
Natural gas storage			—			—			10,035			—			—			—			10,035
Contracting services			—			—			—			850,326			—			—			850,326
Construction materials			—			—			—			1,299,081			—			—			1,299,081
Intrasegment eliminations			—			—			—			(443,516)			—			—			(443,516)
Inside specialty contracting			—			—			—			—			1,049,975			—			1,049,975
Outside specialty contracting			—			—			—			—			478,047			—			478,047
Other			23,830			7,800			9,807			—			1,249			8,882			51,568
Intersegment eliminations			(586)			(555)			(36,820)			(262)			(3,674)			(8,952)			(50,849)
Revenues from contracts with customers			247,670			557,692			70,246			1,705,629			1,525,597			(70)			4,106,764
Revenues out of scope			2,123			4,949			135			—			33,620			—			40,827
Total external operating revenues			$	249,793		$	562,641		$	70,381		$	1,705,629		$	1,559,217		$	(70)		$	4,147,591

Contract balances

The changes in contract assets and liabilities were as follows:

			September 30, 2021			December 31, 2020			Change			Location on Consolidated Balance Sheets
			(In thousands)
Contract assets			$	185,086		$	104,345		$	80,741		Receivables, net
Contract liabilities - current			(153,408)			(158,603)			5,195			Accounts payable
Contract liabilities - noncurrent			(157)			(52)			(105)			Noncurrent liabilities - other
Net contract assets (liabilities)			$	31,521		$	(54,310)		$	85,831

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045

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- References

No definition available.

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