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Product Warranty (Tables)
 6 Months Ended
Sep. 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
 
Two fiscal quarters ended
(In thousands)
Sep 28, 2013
 
Sep 29, 2012
 
Sep 28, 2013
 
Sep 29, 2012
Product warranty accrual, beginning
$
5,193

 
$
4,545

 
$
5,411

 
$
4,187

Warranty charges incurred, net
(1,722
)
 
(1,866
)
 
(3,543
)
 
(3,910
)
Provision for warranty charges
2,092

 
3,417

 
3,695

 
5,819

Product warranty accrual, ending
$
5,563

 
$
6,096

 
$
5,563

 
$
6,096