Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Revenues Gross Profit And Operating Income By Segment [Table Text Block]

Revenues, gross profit, and operating income associated with our segments were as follows:

	Three Months Ended March 31,
	2018			2017
	(in thousands)
Product revenues
Electricity	$	213,877		$	205,903
Gas	130,243			117,127
Water	125,587			109,335
Networks	67,403			—
Total Company	$	537,110		$	432,365
Service revenues
Electricity	$	38,528		$	32,848
Gas	7,496			7,084
Water	5,607			5,295
Networks	18,480			—
Total Company	$	70,111		$	45,227
Total revenues
Electricity	$	252,405		$	238,751
Gas	137,739			124,211
Water	131,194			114,630
Networks	85,883			—
Total Company	$	607,221		$	477,592
Gross profit
Electricity	$	69,975		$	67,250
Gas	43,471			50,815
Water	37,805			39,572
Networks	28,604			—
Total Company	$	179,855		$	157,637
Operating income (loss)
Electricity	$	(2,768	)	$	17,084
Gas	(28,348		)	21,731
Water	(11,710		)	8,804
Networks	(75,510		)	—
Corporate unallocated	(22,112		)	(16,792		)
Total Company	(140,448		)	30,827
Total other income (expense)	(16,010		)	(5,766		)
Income (loss) before income taxes	$	(156,458	)	$	25,061

Revenues By Region [Table Text Block]

Revenues by region were as follows:

	Three Months Ended March 31,
	2018		2017
	(in thousands)
United States and Canada	$	355,932	$	269,096
Europe, Middle East, and Africa	202,074		162,815
Other(1)	49,215		45,681
Total revenues	$	607,221	$	477,592

⁽¹⁾  The Other region includes our operations in Latin America and Asia Pacific.

Depreciation And Amortization Expense Associated With Segments [Table Text Block]

Depreciation and amortization expense associated with our segments was as follows:

	Three Months Ended March 31,
	2018		2017
	(in thousands)
Electricity	$	6,525	$	5,311
Gas	4,202		4,244
Water	4,109		3,959
Networks	15,012		—
Corporate unallocated	1,224		864
Total Company	$	31,072	$	14,378