Inventories - Schedule of Inventories (Details) - USD ($) $ in Thousands	Feb. 27, 2021	Aug. 29, 2020
Inventory Disclosure [Abstract]
Finished goods	$ 9,184	$ 17,141
Work-in-process	145,092	86,651
Raw materials	160,577	114,982
Total	314,853	218,774
Less last-in, first-out ("LIFO") reserve	36,385	35,833
Inventories, net	$ 278,468	$ 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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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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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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