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Product Warranty (Tables)
 9 Months Ended
Dec. 30, 2011
Product Warranty [Abstract]  
Change in the Company's warranty accrual
                 
    Nine Months Ended  
    December 30, 2011     December 31, 2010  
    (In thousands)  

Balance, beginning of period

   $ 12,942     $ 11,208  

Change in liability for warranties issued in period

     4,147       5,903  

Settlements made (in cash or in kind) during the period

     (5,131 )      (4,042 ) 
   

 

 

    

 

 

  

Balance, end of period

   $ 11,958     $ 13,069