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Condensed Consolidated Statements Of Comprehensive Income (Loss) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Condensed Consolidated Statements Of Comprehensive Income (Loss) [Abstract]    
Net income (loss)$ 762$ (134)$ (21,698)$ 23,006
Other comprehensive income (loss):    
Foreign currency translation adjustments(6,225)9,501672(928)
Comprehensive income (loss)$ (5,463)$ 9,367$ (21,026)$ 22,078