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Warranties (Tables)
6 Months Ended
Oct. 01, 2016
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
 
Six Months Ended
 
October 1,
2016
 
September 26,
2015
 
October 1,
2016
 
September 26,
2015
Balance at beginning of period
$
13,718

 
$
11,057

 
$
13,371

 
$
9,953

Purchase accounting additions

 

 

 
1,111

Charged to costs and expenses
6,144

 
5,970

 
12,280

 
10,235

Payments and deductions
(5,816
)
 
(4,222
)
 
(11,605
)
 
(8,494
)
Balance at end of period
$
14,046

 
$
12,805

 
$
14,046

 
$
12,805