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Goodwill
9 Months Ended
Sep. 30, 2011
Goodwill [Abstract] 
Goodwill Disclosure [Text Block]
Goodwill
 
There were no changes in our goodwill during the nine months ended September 30, 2011. Goodwill by segment is as follows for both September 30, 2011 and December 31, 2010 (in thousands):

Electric
$
241,100

Natural gas
114,028

 
$
355,128