Goodwill Schedule of Goodwill Allocated to Reporting Segments (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill [Line Items]

Schedule of Goodwill [Table Text Block]

The following table reflects goodwill allocated to each reporting segment at December 31, 2012 and 2011:

	Energy			Water			Total Company
	(in thousands)
Goodwill balance at January 1, 2011	$	792,873		$	416,503		$	1,209,376
Goodwill acquired	10,251			—			10,251
Goodwill impairment	(254,735		)	(330,112		)	(584,847		)
Other	(981		)	(6,739		)	(7,720		)
Effect of change in exchange rates	6,458			3,392			9,850
Goodwill balance at December 31, 2011	553,866			83,044			636,910
Goodwill acquired	46,101			—			46,101
Other	3,994			773			4,767
Effect of change in exchange rates	5,991			7,247			13,238
Balance at December 31, 2012
Goodwill before impairment	859,454			414,394			1,273,848
Accumulated impairment loss	(249,502		)	(323,330		)	(572,832		)
Goodwill, net	$	609,952		$	91,064		$	701,016