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Comprehensive Income (Tables)
6 Months Ended
Jun. 30, 2011
Comprehensive Income  
Schedule of Net Income (Loss) to Comprehensive Income (Loss)
     Three Months Ended
June 30,
     Six Months Ended
June 30,
 
(in thousands)    2011      2010      2011      2010  

Net income

   $ 22,796      $ 28,521      $ 59,242      $ 49,802  

Other comprehensive:

           

Unrealized gains on available for sale securities, net

     54        26        48        4  

Currency translation adjustments, net

     886        916        951        (700
  

 

 

    

 

 

    

 

 

    

 

 

 

Comprehensive income

   $ 23,736      $ 29,463      $ 60,241      $ 49,106