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Comprehensive Income
9 Months Ended
Sep. 30, 2011
Comprehensive Income/Share Repurchase Program [Abstract] 
Comprehensive Income
11. Comprehensive Income
Comprehensive income was as follows:
                                 
    Three Months Ended September 30,     Nine Months Ended September 30,  
    2011     2010     2011     2010  
    (In thousands)  
Net income
  $ 13,444     $ 8,611     $ 36,161     $ 22,481  
Cumulative translation adjustment and foreign currency exchange hedge, net of taxes
    (185 )     (63 )     (509 )     (380 )
Unrealized gain on securities available-for-sale, net of taxes
    186       95       468       669  
 
                       
Total comprehensive income
  $ 13,445     $ 8,643     $ 36,120     $ 22,770