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Product Warranty (Tables)
 9 Months Ended
Dec. 28, 2013
Product Warranties Disclosures [Abstract]  
Reconciliation of the Change in Aggregate Accrual for Product Warranty
The following is a reconciliation of the changes in the aggregate product warranty accrual:
 
Fiscal quarter ended
 
Three fiscal quarters ended
(In thousands)
Dec 28, 2013
 
Dec 29, 2012
 
Dec 28, 2013
 
Dec 29, 2012
Product warranty accrual, beginning
$
5,563

 
$
6,096

 
$
5,411

 
$
4,187

Warranty charges incurred, net
(1,755
)
 
(1,603
)
 
(5,298
)
 
(5,513
)
Provision for warranty charges
815

 
1,297

 
4,510

 
7,116

Product warranty accrual, ending
$
4,623

 
$
5,790

 
$
4,623

 
$
5,790