XML 51 R38.htm IDEA: XBRL DOCUMENT v3.19.3
Commitments and Contingencies (Tables)
 9 Months Ended
Sep. 27, 2019
Commitments and Contingencies Disclosure [Abstract]  
Summary of Warranty Accrual Included in Accrued Liabilities
Activity for the Company’s warranty accrual, which is included in “Accrued and other current liabilities”, is summarized below (in thousands):
 
Three months ended
 
Nine months ended
 
September 27,
2019
 
September 28,
2018
 
September 27,
2019
 
September 28,
2018
Balance at beginning of period
$
4,802

 
$
4,647

 
$
4,869

 
$
4,381

   Accrual for current period warranties
1,170

 
1,563

 
4,143

 
5,013

   Warranty costs incurred
(1,391
)
 
(1,461
)
 
(4,431
)
 
(4,645
)
Balance at end of period
$
4,581

 
$
4,749

 
$
4,581

 
$
4,749