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Inventories Inventories-Balance (Details) - USD ($)
$ in Thousands
Feb. 23, 2019
Aug. 25, 2018
Inventory Disclosure [Abstract]    
Finished goods $ 43,453 $ 26,513
Work-in-process 89,904 68,339
Raw materials 96,046 139,039
Total 229,403 233,891
Less last-in, first-out (LIFO) reserve 39,792 38,763
Inventories, net $ 189,611 $ 195,128