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New Accounting Guidance (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017	Sep. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cash flow from investing activities	$ (872,454)	$ 1,240,914	$ 2,141,263
Cash flow from operating activities	(1,193,066)	1,105,448	1,464,085
Accounting Standards Update on Leases | Minimum | Subsequent Event
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use assets				$ 350,000
Lease liabilities				350,000
Accounting Standards Update on Leases | Maximum | Subsequent Event
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use assets				500,000
Lease liabilities				$ 500,000
Accounting Standards Update 2016-18
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cash flow from investing activities	96,800	2,000,000	2,700,000
Cash flow from operating activities	$ 96,800	$ 2,000,000	$ 2,700,000

X

- Definition

Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

+ References

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-SubTopic 10
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