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Goodwill Schedule of Goodwill Allocated to Reporting Segments (Tables)
 6 Months Ended
Jun. 30, 2012
Goodwill [Line Items]  
Schedule of Goodwill [Table Text Block]
The following table reflects the goodwill balance as of June 30, 2012 (in thousands):

 
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

 
 
 
 
 
 
Goodwill acquired
42,620

 
42,620

 
—

Effect of change in exchange rates
(15,090
)
 
(18,466
)
 
3,376

 
 
 
 
 
 
Balance at June 30, 2012
 
 
 
 
 
Goodwill before impairment
1,201,767

 
812,057

 
389,710

Accumulated impairment losses
(537,327
)
 
(234,037
)
 
(303,290
)
Goodwill, net
$
664,440

 
$
578,020

 
$
86,420


Goodwill acquired in 2012 is based on the preliminary purchase price allocation relating to the SmartSynch acquisition on May 1, 2012. Refer to Note 16 for additional information regarding this acquisition.