Derivative Financial Instruments and Hedging Activities - Narrative (Details) $ in Thousands, bbl in Millions	6 Months Ended	12 Months Ended
Feb. 28, 2026 USD ($) bbl	Aug. 31, 2025 USD ($) bbl
Derivative [Line Items]
Current derivative assets	$ 267,685	$ 177,231
Current derivative liabilities	367,433	178,017
Long-term derivative assets	5,400	2,000
Long-term derivative Liabilities	1,300	1,700
Foreign exchange derivatives \| Not Designated as Hedging Instrument
Derivative [Line Items]
Notional amount of derivative contracts	$ 1,800,000	$ 1,700,000
Commodity derivatives \| Designated as Hedging Instrument \| Cash Flow Hedging
Derivative [Line Items]
Aggregate notional amount of cash flow hedges (in barrels) \| bbl	6.0	5.1

Fair value, after the 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, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483444/210-20-55-10

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Fair value, after the 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, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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-Paragraph 5
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 815
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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