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Comprehensive Income
9 Months Ended
Sep. 30, 2011
Comprehensive Income [Abstract] 
Comprehensive Income
(13)
Comprehensive Income
 

Comprehensive income, net of income taxes, was $9.4 million and $10.9 million for the three months ended September 30, 2011 and 2010, respectively, and $20.0 million and $31.2 million for the nine months ended September 30, 2011 and 2010, respectively.