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Total Comprehensive (Loss) Income (Tables)
9 Months Ended
Sep. 30, 2011
Total Comprehensive (Loss) Income [Abstract] 
Components Of Comprehensive (Loss) Income
     For the Quarters
Ended September 30,
     For the Years to Date
Ended September 30,
 
     2011     2010      2011     2010  
     (Dollars in thousands)  

Net income

   $ 10,634      $ 26,131       $ 139,022      $ 145,671   

Other comprehensive (loss) income:

         

Foreign currency translation adjustments

     (11,761     13,004         (269     (6,133

Unrealized (losses) gains on investments, net of tax

     (6     86         40        81   
  

 

 

   

 

 

    

 

 

   

 

 

 

Total comprehensive (loss) income

   $ (1,133   $ 39,221       $ 138,793      $ 139,619