v2.4.0.6
Stockholder's Equity (Tables)
9 Months Ended
Dec. 31, 2011
Stockholder's Equity [Abstract]  
Components Of Comprehensive Income
    Three Months Ended     Nine Months Ended  
    December 31, December 25,     December 31,     December 25,  
    2011   2010     2011     2010  
Net income $ 16,731 $ 24,621   $ 37,156   $ 73,097  
Adjustments to arrive at comprehensive                      
income:                      
Change in unrealized gain (loss) on                      
marketable securities   63   (98 )   (67 )   (71 )
Comprehensive income $ 16,794 $ 24,523   $ 37,089   $ 73,026