Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Revenues Gross Profit And Operating Income By Segment

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
	(in thousands)
Product revenues
Electricity	$	212,236		$	215,271		$	426,113		$	421,174
Gas	129,397			130,872			259,640			247,999
Water	118,574			108,570			244,161			217,905
Networks	55,707			—			123,110			—
Total Company	$	515,914		$	454,713		$	1,053,024		$	887,078
Service revenues
Electricity	$	38,342		$	35,061		$	76,870		$	67,909
Gas	7,635			7,828			15,131			14,912
Water	6,063			5,480			11,670			10,775
Networks	17,936			—			36,416			—
Total Company	$	69,976		$	48,369		$	140,087		$	93,596
Total revenues
Electricity	$	250,578		$	250,332		$	502,983		$	489,083
Gas	137,032			138,700			274,771			262,911
Water	124,637			114,050			255,831			228,680
Networks	73,643			—			159,526			—
Total Company	$	585,890		$	503,082		$	1,193,111		$	980,674
Gross profit
Electricity	$	76,987		$	78,645		$	146,962		$	145,895
Gas	40,543			50,536			84,014			101,351
Water	37,835			49,096			75,640			88,668
Networks	21,212			—			49,816			—
Total Company	$	176,577		$	178,277		$	356,432		$	335,914
Operating income (loss)
Electricity	$	28,997		$	17,839		$	26,229		$	34,923
Gas	15,245			16,977			(13,103		)	38,708
Water	8,824			16,866			(2,886		)	25,670
Networks	(28,219		)	—			(103,729		)	—
Corporate unallocated	(4,284		)	(14,054		)	(26,396		)	(30,846		)
Total Company	20,563			37,628			(119,885		)	68,455
Total other income (expense)	(13,009		)	(6,061		)	(29,019		)	(11,827		)
Income (loss) before income taxes	$	7,554		$	31,567		$	(148,904	)	$	56,628

Revenues By Region

Revenues by region were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
	(in thousands)
United States and Canada	$	348,101	$	295,737	$	704,033	$	564,834
Europe, Middle East, and Africa	184,748		158,766		386,822		321,581
Other(1)	53,041		48,579		102,256		94,259
Total revenues	$	585,890	$	503,082	$	1,193,111	$	980,674

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

Depreciation And Amortization Expense Associated With Segments

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
	(in thousands)
Electricity	$	6,419	$	5,774	$	12,944	$	11,085
Gas	4,254		4,503		8,456		8,747
Water	4,008		3,887		8,117		7,846
Networks	15,223		—		30,235		—
Corporate unallocated	1,003		926		2,227		1,790
Total Company	$	30,907	$	15,090	$	61,979	$	29,468