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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Statement Of Income And Comprehensive Income [Abstract]    
Net income $ 895 $ 1,523
Other comprehensive income, net of tax:    
Currency translation adjustment   571
Impact from cash flow hedges, net   294
Total other comprehensive income, net   865
Comprehensive income $ 895 $ 2,388