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Warranties (Tables)
 3 Months Ended
Jul. 01, 2017
Product Warranties Disclosures [Abstract]  
Activity in the liability for estimated warranties
Activity in the liability for estimated warranties was as follows (in thousands):
 
Three Months Ended
 
July 1,
2017
 
July 2,
2016
Balance at beginning of period
$
15,479

 
$
13,371

Purchase accounting additions
838

 
—

Charged to costs and expenses
5,223

 
6,136

Payments and deductions
(5,224
)
 
(5,789
)
Balance at end of period
$
16,316

 
$
13,718