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Revenue - Additional Information (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 26, 2020
Dec. 28, 2019
Revenue Initial Application Period Cumulative Effect Transition [Line Items]    
Deferred revenue recognized $ 59,898  
Other Liabilities    
Revenue Initial Application Period Cumulative Effect Transition [Line Items]    
Long-term deferred revenue $ 50 $ 54