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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
NET INCOME $ 7,296 $ 5,735
Other comprehensive income (loss):    
Foreign currency translation adjustment 161 (255)
Total other comprehensive income (loss) 161 (255)
COMPREHENSIVE INCOME $ 7,457 $ 5,480