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Leases - Additional Information (Detail) - USD ($)
$ in Thousands
Mar. 29, 2020
Dec. 29, 2019
Lessee, Lease, Description [Line Items]    
Principal balance outstanding under lease $ 18,535 $ 26,806
Beacon, Company Headquarters    
Lessee, Lease, Description [Line Items]    
Term of new lease 10 years  
Principal balance outstanding under lease $ 32,300 $ 6,800