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Warranty Reserves - Schedule of Changes in the Aggregate Warranty Reserve (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 26, 2021
Jun. 27, 2020
Jun. 26, 2021
Jun. 27, 2020
Product Warranties Disclosures [Abstract]        
Balance - beginning of period $ 39,288 $ 39,368 $ 42,643 $ 39,758
Accrual for products sold [1] 22,988 13,659 34,445 31,527
Expenditures (17,701) (13,734) (32,513) (31,992)
Balance - end of period $ 44,575 $ 39,293 $ 44,575 $ 39,293
[1] Changes in cost estimates related to pre-existing warranties were not material and aggregated with accruals for new warranty contracts in the ‘Accrual for products sold’ line.