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Product Warranty (Tables)
 6 Months Ended
Sep. 26, 2015
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
 
Two fiscal quarters ended
(In thousands)
Sep 26, 2015
 
Sep 27, 2014
 
Sep 26, 2015
 
Sep 27, 2014
Product warranty accrual, beginning
$
4,021

 
$
3,487

 
$
3,342

 
$
4,215

Warranty charges incurred, net
(2,063
)
 
(1,780
)
 
(3,547
)
 
(3,720
)
Provision for warranty charges
2,493

 
1,445

 
4,656

 
2,657

Product warranty accrual, ending
$
4,451

 
$
3,152

 
$
4,451

 
$
3,152