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Product Warranty (Tables)
 9 Months Ended
Dec. 31, 2016
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)
December 31, 2016
 
January 2, 2016
 
December 31, 2016
 
January 2, 2016
Product warranty accrual, beginning
$
5,521

 
$
4,451

 
$
5,734

 
$
3,342

Warranty charges incurred, net
(1,674
)
 
(2,057
)
 
(4,988
)
 
(5,604
)
Provision for warranty charges
1,064

 
2,292

 
4,165

 
6,948

Product warranty accrual, ending
$
4,911

 
$
4,686

 
$
4,911

 
$
4,686