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Revenue from contracts with customers (Tables)

6 Months Ended

Jun. 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 June 30, 2021			Electric			Natural gas distribution			Pipeline			Construction materials and contracting			Construction services			Other			Total
			(In thousands)
Residential utility sales			$	29,258		$	83,480		$	—		$	—		$	—		$	—		$	112,738
Commercial utility sales			33,834			47,612			—			—			—			—			81,446
Industrial utility sales			10,354			6,180			—			—			—			—			16,534
Other utility sales			1,825			—			—			—			—			—			1,825
Natural gas transportation			—			11,451			27,685			—			—			—			39,136
Natural gas storage			—			—			3,094			—			—			—			3,094
Contracting services			—			—			—			280,834			—			—			280,834
Construction materials			—			—			—			498,762			—			—			498,762
Intrasegment eliminations			—			—			—			(145,780)			—			—			(145,780)
Inside specialty contracting			—			—			—			—			347,702			—			347,702
Outside specialty contracting			—			—			—			—			165,123			—			165,123
Other			9,465			2,794			4,810			—			57			3,389			20,515
Intersegment eliminations			(136)			(142)			(7,862)			(142)			(797)			(3,361)			(12,440)
Revenues from contracts with customers			84,600			151,375			27,727			633,674			512,085			28			1,409,489
Revenues out of scope			(950)			2,413			46			—			12,659			—			14,168
Total external operating revenues			$	83,650		$	153,788		$	27,773		$	633,674		$	524,744		$	28		$	1,423,657

Three Months Ended June 30, 2020			Electric			Natural gas distribution			Pipeline			Construction materials and contracting			Construction services			Other			Total
			(In thousands)
Residential utility sales			$	27,954		$	78,653		$	—		$	—		$	—		$	—		$	106,607
Commercial utility sales			29,877			41,027			—			—			—			—			70,904
Industrial utility sales			8,072			5,658			—			—			—			—			13,730
Other utility sales			1,591			—			—			—			—			—			1,591
Natural gas transportation			—			10,350			27,965			—			—			—			38,315
Natural gas gathering			—			—			1,181			—			—			—			1,181
Natural gas storage			—			—			3,104			—			—			—			3,104
Contracting services			—			—			—			303,356			—			—			303,356
Construction materials			—			—			—			482,498			—			—			482,498
Intrasegment eliminations			—			—			—			(164,719)			—			—			(164,719)
Inside specialty contracting			—			—			—			—			324,921			—			324,921
Outside specialty contracting			—			—			—			—			160,696			—			160,696
Other			7,717			2,711			3,363			—			412			2,861			17,064
Intersegment eliminations			(196)			(185)			(7,999)			(90)			(779)			(2,973)			(12,222)
Revenues from contracts with customers			75,015			138,214			27,614			621,045			485,250			(112)			1,347,026
Revenues out of scope			1,423			3,280			44			—			11,155			—			15,902
Total external operating revenues			$	76,438		$	141,494		$	27,658		$	621,045		$	496,405		$	(112)		$	1,362,928

Six Months Ended June 30, 2021			Electric			Natural gas distribution			Pipeline			Construction materials and contracting			Construction services			Other			Total
			(In thousands)
Residential utility sales			$	62,694		$	286,617		$	—		$	—		$	—		$	—		$	349,311
Commercial utility sales			66,762			167,664			—			—			—			—			234,426
Industrial utility sales			20,383			14,992			—			—			—			—			35,375
Other utility sales			3,391			—			—			—			—			—			3,391
Natural gas transportation			—			23,903			57,102			—			—			—			81,005
Natural gas storage			—			—			7,123			—			—			—			7,123
Contracting services			—			—			—			376,859			—			—			376,859
Construction materials			—			—			—			715,174			—			—			715,174
Intrasegment eliminations			—			—			—			(192,496)			—			—			(192,496)
Inside specialty contracting			—			—			—			—			702,892			—			702,892
Outside specialty contracting			—			—			—			—			316,486			—			316,486
Other			19,238			5,803			7,470			—			93			6,730			39,334
Intersegment eliminations			(271)			(284)			(34,092)			(204)			(1,839)			(6,685)			(43,375)
Revenues from contracts with customers			172,197			498,695			37,603			899,333			1,017,632			45			2,625,505
Revenues out of scope			(3,873)			5,299			82			—			24,582			—			26,090
Total external operating revenues			$	168,324		$	503,994		$	37,685		$	899,333		$	1,042,214		$	45		$	2,651,595

Six Months Ended June 30, 2020			Electric			Natural gas distribution			Pipeline			Construction materials and contracting			Construction services			Other			Total
			(In thousands)
Residential utility sales			$	60,303		$	265,354		$	—		$	—		$	—		$	—		$	325,657
Commercial utility sales			63,464			156,023			—			—			—			—			219,487
Industrial utility sales			18,439			14,179			—			—			—			—			32,618
Other utility sales			3,239			—			—			—			—			—			3,239
Natural gas transportation			—			22,148			55,397			—			—			—			77,545
Natural gas gathering			—			—			3,271			—			—			—			3,271
Natural gas storage			—			—			6,150			—			—			—			6,150
Contracting services			—			—			—			401,757			—			—			401,757
Construction materials			—			—			—			690,408			—			—			690,408
Intrasegment eliminations			—			—			—			(208,823)			—			—			(208,823)
Inside specialty contracting			—			—			—			—			697,130			—			697,130
Outside specialty contracting			—			—			—			—			290,846			—			290,846
Other			16,167			5,209			6,604			—			763			5,852			34,595
Intersegment eliminations			(391)			(370)			(33,198)			(152)			(3,249)			(5,946)			(43,306)
Revenues from contracts with customers			161,221			462,543			38,224			883,190			985,490			(94)			2,530,574
Revenues out of scope			1,125			5,394			89			—			23,120			—			29,728
Total external operating revenues			$	162,346		$	467,937		$	38,313		$	883,190		$	1,008,610		$	(94)		$	2,560,302

Contract balances

The changes in contract assets and liabilities were as follows:

			June 30, 2021			December 31, 2020			Change			Location on Consolidated Balance Sheets
			(In thousands)
Contract assets			$	147,033		$	104,345		$	42,688		Receivables, net
Contract liabilities - current			(146,116)			(158,603)			12,487			Accounts payable
Contract liabilities - noncurrent			(160)			(52)			(108)			Noncurrent liabilities - other
Net contract assets (liabilities)			$	757		$	(54,310)		$	55,067

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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X

- 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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