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Inventories - Summary of Inventories (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 29, 2019
Inventory Disclosure [Abstract]    
Finished products $ 140,080 $ 142,363
Manufacturing materials 47,081 45,267
Plastic shells, plastic pallets and other inventories 38,596 38,296
Total inventories $ 225,757 $ 225,926