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Warranty Reserves - Schedule of Changes in the Aggregate Warranty Reserve (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 27, 2021
Mar. 28, 2020
Product Warranties Disclosures [Abstract]    
Balance - beginning of period $ 42,643 $ 39,758
Accrual for products sold [1] 11,456 17,868
Expenditures (14,811) (18,258)
Balance - end of period $ 39,288 $ 39,368
[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.