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Warranties
 6 Months Ended
Sep. 29, 2018
Product Warranties Disclosures [Abstract]  
Warranties
Warranties
Activity in the liability for estimated warranties was as follows (in thousands):
 
Three Months Ended
 
Six Months Ended
 
September 29,
2018
 
September 30,
2017
 
September 29,
2018
 
September 30,
2017
Balance at beginning of period
$
16,670

 
$
16,316

 
$
16,638

 
$
15,479

Purchase accounting additions
—

 
—

 
—

 
838

Charged to costs and expenses
6,713

 
7,399

 
12,942

 
12,622

Payments and deductions
(6,478
)
 
(7,245
)
 
(12,675
)
 
(12,469
)
Balance at end of period
$
16,905

 
$
16,470

 
$
16,905

 
$
16,470