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Consolidated Statements of Comprehensive Income (Unaudited) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Consolidated Statements of Comprehensive Income [Abstract]    
Net income$ 7,073$ 2,087$ 16,526$ 7,201
Other comprehensive income (loss):    
Foreign currency translation, net of related income tax(24)(3)(26)(3)
Total comprehensive income$ 7,049$ 2,084$ 16,500$ 7,198