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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 25, 2021
Sep. 26, 2020
Sep. 25, 2021
Sep. 26, 2020
Goodwill And Intangible Assets Disclosure [Abstract]        
Amortization expense $ 1.2 $ 0.8 $ 2.9 $ 2.5