Revenue from contracts with customers (Tables)

6 Months Ended

Jun. 30, 2019

Revenue from Contract with Customer [Abstract]

In the following table, 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, 2019	Electric		Natural gas distribution		Pipeline and midstream			Construction materials and contracting			Construction services			Other			Total
	(In thousands)
Residential utility sales	$	26,437	$	71,010	$	—		$	—		$	—		$	—		$	97,447
Commercial utility sales	33,231		41,250		—			—			—			—			74,481
Industrial utility sales	9,344		5,577		—			—			—			—			14,921
Other utility sales	1,879		—		—			—			—			—			1,879
Natural gas transportation	—		10,706		24,804			—			—			—			35,510
Natural gas gathering	—		—		2,396			—			—			—			2,396
Natural gas storage	—		—		2,623			—			—			—			2,623
Contracting services	—		—		—			297,124			—			—			297,124
Construction materials	—		—		—			444,768			—			—			444,768
Intrasegment eliminations*	—		—		—			(145,925		)	—			—			(145,925		)
Inside specialty contracting	—		—		—			—			319,276			—			319,276
Outside specialty contracting	—		—		—			—			133,288			—			133,288
Other	8,417		2,923		6,293			—			9			2,903			20,545
Intersegment eliminations	—		—		(7,513		)	(168		)	(721		)	(2,879		)	(11,281		)
Revenues from contracts with customers	79,308		131,466		28,603			595,799			451,852			24			1,287,052
Revenues out of scope	1,703		2,401		77			—			12,340			—			16,521
Total external operating revenues	$	81,011	$	133,867	$	28,680		$	595,799		$	464,192		$	24		$	1,303,573


*	Intrasegment revenues are presented within the construction materials and contracting segment to highlight the focus on vertical integration as this segment sells materials to both third parties and internal customers. Due to consolidation requirements, these revenues must be eliminated against construction materials to arrive at the external operating revenue total for the segment.



Three Months Ended June 30, 2018	Electric		Natural gas distribution		Pipeline and midstream			Construction materials and contracting			Construction services			Other			Total
	(In thousands)
Residential utility sales	$	26,752	$	68,688	$	—		$	—		$	—		$	—		$	95,440
Commercial utility sales	32,676		40,820		—			—			—			—			73,496
Industrial utility sales	8,226		5,227		—			—			—			—			13,453
Other utility sales	1,874		—		—			—			—			—			1,874
Natural gas transportation	—		10,084		21,287			—			—			—			31,371
Natural gas gathering	—		—		2,310			—			—			—			2,310
Natural gas storage	—		—		2,634			—			—			—			2,634
Contracting services	—		—		—			247,558			—			—			247,558
Construction materials	—		—		—			387,632			—			—			387,632
Intrasegment eliminations*	—		—		—			(125,567		)	—			—			(125,567		)
Inside specialty contracting	—		—		—			—			216,371			—			216,371
Outside specialty contracting	—		—		—			—			95,261			—			95,261
Other	8,425		3,614		4,326			—			103			2,757			19,225
Intersegment eliminations	—		—		(6,539		)	(235		)	(540		)	(2,667		)	(9,981		)
Revenues from contracts with customers	77,953		128,433		24,018			509,388			311,195			90			1,051,077
Revenues out of scope	546		1,107		42			—			11,825			—			13,520
Total external operating revenues	$	78,499	$	129,540	$	24,060		$	509,388		$	323,020		$	90		$	1,064,597


*	Intrasegment revenues are presented within the construction materials and contracting segment to highlight the focus on vertical integration as this segment sells materials to both third parties and internal customers. Due to consolidation requirements, these revenues must be eliminated against construction materials to arrive at the external operating revenue total for the segment.



Six Months Ended June 30, 2019	Electric		Natural gas distribution			Pipeline and midstream			Construction materials and contracting			Construction services			Other			Total
	(In thousands)
Residential utility sales	$	62,993	$	271,619		$	—		$	—		$	—		$	—		$	334,612
Commercial utility sales	68,902		163,043			—			—			—			—			231,945
Industrial utility sales	18,228		14,188			—			—			—			—			32,416
Other utility sales	3,678		—			—			—			—			—			3,678
Natural gas transportation	—		22,276			49,862			—			—			—			72,138
Natural gas gathering	—		—			4,517			—			—			—			4,517
Natural gas storage	—		—			5,269			—			—			—			5,269
Contracting services	—		—			—			380,164			—			—			380,164
Construction materials	—		—			—			624,077			—			—			624,077
Intrasegment eliminations*	—		—			—			(181,066		)	—			—			(181,066		)
Inside specialty contracting	—		—			—			—			618,805			—			618,805
Outside specialty contracting	—		—			—			—			240,686			—			240,686
Other	17,538		6,836			8,989			—			26			10,747			44,136
Intersegment eliminations	—		—			(31,468		)	(264		)	(849		)	(10,704		)	(43,285		)
Revenues from contracts with customers	171,339		477,962			37,169			822,911			858,668			43			2,368,092
Revenues out of scope	2,239		(1,948		)	124			—			26,257			—			26,672
Total external operating revenues	$	173,578	$	476,014		$	37,293		$	822,911		$	884,925		$	43		$	2,394,764


*	Intrasegment revenues are presented within the construction materials and contracting segment to highlight the focus on vertical integration as this segment sells materials to both third parties and internal customers. Due to consolidation requirements, these revenues must be eliminated against construction materials to arrive at the external operating revenue total for the segment.



Six Months Ended June 30, 2018	Electric			Natural gas distribution		Pipeline and midstream			Construction materials and contracting			Construction services			Other			Total
	(In thousands)
Residential utility sales	$	61,935		$	261,574	$	—		$	—		$	—		$	—		$	323,509
Commercial utility sales	67,377			157,711		—			—			—			—			225,088
Industrial utility sales	16,996			13,036		—			—			—			—			30,032
Other utility sales	3,710			—		—			—			—			—			3,710
Natural gas transportation	—			21,263		43,105			—			—			—			64,368
Natural gas gathering	—			—		4,580			—			—			—			4,580
Natural gas storage	—			—		5,768			—			—			—			5,768
Contracting services	—			—		—			321,622			—			—			321,622
Construction materials	—			—		—			561,223			—			—			561,223
Intrasegment eliminations*	—			—		—			(159,837		)	—			—			(159,837		)
Inside specialty contracting	—			—		—			—			450,192			—			450,192
Outside specialty contracting	—			—		—			—			182,442			—			182,442
Other	16,678			7,613		7,652			—			17			5,452			37,412
Intersegment eliminations	—			—		(28,298		)	(336		)	(550		)	(5,306		)	(34,490		)
Revenues from contracts with customers	166,696			461,197		32,807			722,672			632,101			146			2,015,619
Revenues out of scope	(792		)	1,007		86			—			24,970			—			25,271
Total external operating revenues	$	165,904		$	462,204	$	32,893		$	722,672		$	657,071		$	146		$	2,040,890


*	Intrasegment revenues are presented within the construction materials and contracting segment to highlight the focus on vertical integration as this segment sells materials to both third parties and internal customers. Due to consolidation requirements, these revenues must be eliminated against construction materials to arrive at the external operating revenue total for the segment.

Contract balances

The changes in contract assets and liabilities were as follows:



	June 30, 2019			December 31, 2018			Change		Location on Consolidated Balance Sheets
	(In thousands)
Contract assets	$	153,641		$	104,239		$	49,402	Receivables, net
Contract liabilities - current	(90,031		)	(93,901		)	3,870		Accounts payable
Contract liabilities - noncurrent	(25		)	(135		)	110		Deferred credits and other liabilities - other
Net contract assets	$	63,585		$	10,203		$	53,382