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Leases, Commitments and Contingencies - Components of Lease Expense (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 02, 2021
Dec. 28, 2019
Leases Commitments And Contingencies Disclosure [Abstract]    
Operating lease cost $ 9,165 $ 6,826
Variable lease cost 3,856 2,117
Total lease cost $ 13,021 $ 8,943