Derivative Financial Instruments and Hedging Activities - Fair Value of Derivative Instruments Designated as Fair Value Hedges (Details) - USD ($) $ in Thousands	Aug. 31, 2025	Aug. 31, 2024
Derivative [Line Items]
Derivative asset	$ 174,018	$ 174,738
Derivative liability	177,893	246,279
Cash Flow Hedging [Member] \| Designated as Hedging Instrument
Derivative [Line Items]
Derivative asset	5,197	5,226
Derivative liability	$ 1,786	$ 2,781

Fair value, before effects of master netting arrangements, of a financial asset or other 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 assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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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