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Warranty (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 25, 2021
Sep. 26, 2020
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Balance at beginning of period $ 3,918 $ 1,942
Accruals 4,688 2,771
Settlements (5,803) (2,838)
Balance at end of period $ 2,803 $ 1,875