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Comprehensive Income (Tables)
9 Months Ended
Dec. 31, 2011
Comprehensive Income [Abstract]  
Schedule Of Comprehensive Income
     Three Months Ended
December 31,
    Nine Months Ended
December 31,
 
     2011     2010     2011     2010  

Net income

   $ 10,031      $ 11,101      $ 19,481      $ 26,494   

Unrealized gain (loss) on cash equivalents, marketable securities and restricted investment, net of tax

     17        (200     154        571   

Unrealized gain (loss) on hedge contracts, net of tax

     (68     (53     (393     134   

Cumulative translation adjustments

     (936     0        (936     0   
  

 

 

   

 

 

   

 

 

   

 

 

 

Comprehensive income

   $ 9,044      $ 10,848      $ 18,306      $ 27,199