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Inventories - Components of Inventory (Details) - USD ($)
$ in Thousands
May 26, 2018
Aug. 26, 2017
Inventory Disclosure [Abstract]    
Raw materials $ 14,978 $ 18,468
Work in process 3,995 4,159
Finished goods 69,005 56,441
Total inventories $ 87,978 $ 79,068