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Warranty Liabilities (Tables)
12 Months Ended
Dec. 29, 2018
Product Warranties Disclosures [Abstract]  
Schedule of warranty liability activity
Warranty liability activity consisted of the following (in thousands):
Fiscal Year
2018
 
2017
 
2016
Beginning balance
$
19,405

 
$
15,421

 
$
13,669

Settlements in cash or kind
(15,197
)
 
(15,177
)
 
(9,616
)
Warranties issued and adjustments to preexisting warranties(1)
18,599

 
19,161

 
11,368

Ending balance
$
22,807

 
$
19,405

 
$
15,421

____________________________________________
(1) 
Changes in cost estimates related to preexisting warranties are aggregated with accruals for new standard warranties issued and foreign currency changes.