Inventories (Details) - USD ($) $ in Thousands	May 31, 2020	Aug. 31, 2019
Inventory Disclosure [Abstract]
Raw materials	$ 2,524,454	$ 2,310,081
Work in process	412,834	468,217
Finished goods	425,894	314,258
Reserve for excess and obsolete inventory	(79,481)	(69,553)
Inventories, net	$ 3,283,701	$ 3,023,003

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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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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 of valuation reserve for inventory.

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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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