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Product Warranties (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Product Warranty Accrual [Roll Forward]    
Balance at beginning of period $ 15,865 $ 15,450
Accruals for warranties issued during period 4,778 5,718
Adjustments related to pre-existing warranties 514 89
Settlements made during the period (4,936) (5,746)
Balance at end of period $ 16,221 $ 15,511