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Inventories (Tables)
9 Months Ended
May 29, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventories consist of the following:
(in thousands)May 29,
2021
August 29,
2020
Finished goods$19,638 $17,141 
Work-in-process182,316 86,651 
Raw materials169,218 114,982 
Total371,172 218,774 
Less: Last-in, first-out ("LIFO") reserve38,154 35,833 
Inventories, net$333,018 $182,941 

Inventory valuation methods consist of the following:
(in thousands)May 29,
2021
August 29,
2020
LIFO basis$147,836 $88,675 
First-in, first-out basis223,336 130,099 
Total$371,172 $218,774