Derivative Financial Instruments and Hedging Activities - Fair Value of Derivative Instruments Designated as Fair Value Hedges (Details) - USD ($) $ in Thousands	Aug. 31, 2022	Aug. 31, 2021
Derivative [Line Items]
Derivative asset	$ 517,090	$ 568,749
Derivative liability	390,940	453,367
Cash Flow Hedging [Member] \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative asset	27,154	11,874
Derivative liability	$ 11,818	$ 1,001

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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