Segment Information Segment Information (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Number of Reportable Segments

3

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,
	2015			2014
	(in thousands)
Revenues
Electricity	$	193,852		$	180,218
Gas	125,089			146,109
Water	129,306			148,468
Total Company	$	448,247		$	474,795
Gross profit
Electricity	$	55,120		$	42,740
Gas	43,516			58,406
Water	39,563			53,389
Total Company	$	138,199		$	154,535
Operating income (loss)
Electricity	$	2,396		$	(22,969	)
Gas	13,592			25,724
Water	8,097			20,643
Corporate unallocated	(10,546		)	(18,859		)
Total Company	13,539			4,539
Total other income (expense)	(2,611		)	(5,310		)
Income before income taxes	$	10,928		$	(771	)

Revenues By Region [Table Text Block]

Revenues by region were as follows:

	Three Months Ended March 31,
	2015		2014
	(in thousands)
United States and Canada	$	231,136	$	200,370
Europe, Middle East, and Africa	174,654		223,504
Other	42,457		50,921
Total revenues	$	448,247	$	474,795

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,
	2015		2014
	(in thousands)
Electricity	$	9,147	$	12,767
Gas	5,326		6,649
Water	4,793		6,094
Corporate Unallocated	73		82
Total Company	$	19,339	$	25,592