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Inventories - Components of Inventory (Details) - USD ($)
$ in Thousands
Feb. 24, 2018
Aug. 26, 2017
Inventory Disclosure [Abstract]    
Raw materials $ 12,953 $ 18,468
Work in process 3,227 4,159
Finished goods 68,329 56,441
Total inventories $ 84,509 $ 79,068