Goodwill Schedule of Goodwill Allocated to Reporting Segments (Tables)

3 Months Ended

Mar. 31, 2012

Goodwill [Line Items]

Schedule of Goodwill [Table Text Block]

The following table reflects the goodwill balance as of March 31, 2012 and 2011 (in thousands):

	Total Company
Goodwill at January 1, 2011	$	1,209,376
Goodwill acquired	10,083
Effect of change in exchange rates	74,993
Goodwill at March 31, 2011	$	1,294,452
	Total Company		Energy		Water
Balance at January 1, 2012
Goodwill before impairment	$	1,221,757	$	808,601	$	413,156
Accumulated impairment losses	584,847		254,735		330,112
Goodwill, net	636,910		553,866		83,044
Effect of change in exchange rates	14,086		7,061		7,025
Balance at March 31, 2012
Goodwill before impairment	1,226,165		811,447		414,718
Accumulated impairment losses	575,169		250,520		324,649
Goodwill, net	$	650,996	$	560,927	$	90,069