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Accrued Liabilities (Details) - USD ($)
$ in Thousands
Sep. 25, 2021
Dec. 26, 2020
Payables and Accruals [Abstract]    
Accrued compensation and benefits $ 37,913 $ 33,110
Accrued income and other taxes 5,466 6,976
Accrued warranty 2,803 3,918
Employee stock purchase plan contributions withheld 1,924 4,240
Accrued contingent consideration 0 4,012
Accrued restructuring charges 3,675 0
Other accrued expenses 2,844 3,086
Accrued liabilities $ 54,625 $ 55,342