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Product Warranties (Details) - USD ($)
$ in Thousands
9 Months Ended
Oct. 02, 2021
Sep. 26, 2020
Product Warranty Accrual [Roll Forward]    
Balance at beginning of period $ 16,109 $ 15,865
Accruals for warranties issued during period 6,580 5,483
Adjustments related to pre-existing warranties 0 (272)
Settlements made during the period (5,411) (6,013)
Balance at end of period $ 17,278 $ 15,063