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Condensed Consolidated Statements of Comprehensive Income (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Net income$ 9,261$ 8,975$ 26,827$ 20,943
Other comprehensive income (loss), net of tax of $(283) and $(120) for the three months ended September 30, 2011 and 2010, respectively and $(154) and $836 for the nine months ended September 30, 2011 and 2010, respectively:    
Foreign currency translation adjustment(3,865)5,2361,211(778)
Comprehensive income$ 5,396$ 14,211$ 28,038$ 20,165