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Comprehensive Income (Tables)
6 Months Ended
Oct. 02, 2011
Comprehensive Income [Abstract] 
Components of Comprehensive Income
                                 
    Three Months Ended     Six Months Ended  
    October 2,
2011
    September 26,
2010
    October 2,
2011
    September 26,
2010
 
    (In thousands)  

Net income

  $ 28,654     $ 29,986     $ 61,080     $ 55,435  

Other comprehensive income:

                               

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

    (1,000     (70     (533     77  
   

 

 

   

 

 

   

 

 

   

 

 

 
    $ 27,654     $ 29,916     $ 60,547     $ 55,512