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Employee Benefit Plan - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 27, 2020 | Dec. 29, 2019 | Dec. 30, 2018
Defined Benefit Plans And Other Postretirement Benefit Plans Disclosures [Abstract] |  |  |
Contributions made to profit sharing plan | $ 0.2 | $ 0.5 | $ 0.4

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- References No definition available. + Details
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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