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Inventories - Inventory Schedule (Details) - USD ($)
$ in Thousands
Aug. 29, 2020
Aug. 31, 2019
Inventory Disclosure [Abstract]    
Finished goods $ 17,141 $ 53,417
Work-in-process ("WIP") 86,651 82,926
Raw materials 114,982 105,804
Total 218,774 242,147
Less LIFO reserve 35,833 41,021
Inventories $ 182,941 $ 201,126