Business segment data (Tables)

6 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Information on the Company's businesses

Information on the Company's segments was as follows:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
	(In thousands)
External operating revenues:
Regulated operations:
Electric	$	76,438	$	81,011	$	162,346	$	173,578
Natural gas distribution	141,494		133,867		467,937		476,014
Pipeline	23,421		21,369		29,752		26,272
	241,353		236,247		660,035		675,864
Nonregulated operations:
Pipeline	4,237		7,311		8,561		11,021
Construction materials and contracting	621,045		595,799		883,190		822,911
Construction services	496,405		464,192		1,008,610		884,925
Other	(112)		24		(94)		43
	1,121,575		1,067,326		1,900,267		1,718,900
Total external operating revenues	$	1,362,928	$	1,303,573	$	2,560,302	$	2,394,764
Intersegment operating revenues:
Regulated operations:
Electric	$	196	$	—	$	391	$	—
Natural gas distribution	185		—		370		—
Pipeline	7,857		7,426		33,040		31,349
	8,238		7,426		33,801		31,349
Nonregulated operations:
Pipeline	142		87		158		119
Construction materials and contracting	90		168		152		264
Construction services	779		721		3,249		849
Other	2,973		2,879		5,946		10,704
	3,984		3,855		9,505		11,936
Intersegment eliminations	(12,222)		(11,281)		(43,306)		(43,285)
Total intersegment operating revenues	$	—	$	—	$	—	$	—

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
	(In thousands)
Operating income (loss):
Electric	$	12,810	$	9,791	$	27,669	$	27,779
Natural gas distribution	678		(2,621)		50,677		47,696
Pipeline	12,225		10,698		23,644		20,602
Construction materials and contracting	74,741		46,178		31,472		4,597
Construction services	37,882		31,966		61,678		59,431
Other	(82)		1,299		185		1,425
Total operating income	$	138,254	$	97,311	$	195,325	$	161,530
Net income (loss):
Regulated operations:
Electric	$	12,153	$	7,471	$	23,527	$	22,976
Natural gas distribution	(959)		(6,252)		31,410		30,248
Pipeline	8,684		6,378		16,070		13,382
	19,878		7,597		71,007		66,606
Nonregulated operations:
Pipeline	268		742		255		579
Construction materials and contracting	53,020		29,166		14,806		(5,283)
Construction services	27,932		22,845		44,755		42,869
Other	(1,256)		2,795		(5,442)		(537)
	79,964		55,548		54,374		37,628
Income from continuing operations	99,842		63,145		125,381		104,234
Loss from discontinued operations, net of tax	(139)		(1,320)		(548)		(1,483)
Net income	$	99,703	$	61,825	$	124,833	$	102,751