Inventories Inventories-Balance (Details) - USD ($) $ in Thousands	May 25, 2019	Aug. 25, 2018
Inventory Disclosure [Abstract]
Finished goods	$ 42,876	$ 26,513
Work-in-process	93,949	68,339
Raw materials	94,365	139,039
Total	231,190	233,891
Less last-in, first-out (LIFO) reserve	40,307	38,763
Inventories, net	$ 190,883	$ 195,128

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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