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Inventories - Inventories (Detail) - USD ($)
$ in Thousands
Jun. 27, 2020
Dec. 28, 2019
Inventory Disclosure [Abstract]    
Bulk product $ 106,968 $ 114,308
Finished product 163,311 161,866
Packaging materials 4,542 4,639
Total $ 274,821 $ 280,813