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Inventories - Inventories (Detail) - USD ($)
$ in Thousands
Dec. 26, 2020
Dec. 28, 2019
Inventory Disclosure [Abstract]    
Bulk product $ 136,726 $ 114,308
Finished product 157,484 161,866
Packaging materials 4,509 4,639
Total $ 298,719 $ 280,813