Inventories - Inventory Schedule (Details) - USD ($) $ in Thousands	Aug. 28, 2021	Aug. 29, 2020
Inventory Disclosure [Abstract]
Finished goods	$ 12,243	$ 17,141
Work-in-process ("WIP")	184,611	86,651
Raw materials	183,583	114,982
Total	380,437	218,774
Less: Excess of FIFO over LIFO cost	38,964	35,833
Inventories, net	$ 341,473	$ 182,941

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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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