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Comprehensive Income (Tables)
9 Months Ended
Jan. 01, 2012
Comprehensive Income [Abstract]  
Components of Comprehensive Income
                                 
    Three Months Ended     Nine Months Ended  
    January 1,
2012
    December 26,
2010
    January 1,
2012
    December 26,
2010
 
    (In thousands)  

Net income

  $ 30,025     $ 50,339     $ 91,105     $ 105,774  

Other comprehensive income:

                               

Change in unrealized gains/losses on marketable securities, net of income taxes

    218       (835     (315     (758
   

 

 

   

 

 

   

 

 

   

 

 

 
    $ 30,243     $ 49,504     $ 90,790     $ 105,016