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Income Taxes - Schedule of Income (Loss) Before Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 27, 2020
Dec. 29, 2019
Dec. 30, 2018
Income Tax Disclosure [Abstract]      
Domestic operations $ (72,708) $ (9,790) $ (11,381)
Foreign operations   395 637
Loss before income taxes $ (72,208) $ (9,395) $ (10,744)