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Derivative Financial Instruments and Hedging Activities - Fair Value of Commodity Derivative Instruments (Details) - USD ($)
$ in Thousands
Feb. 28, 2025
Aug. 31, 2024
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability $ 208,322 $ 246,279
Derivative Asset, Fair Value, Gross Asset 190,489 174,738
Cash Flow Hedging | Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability 1,164 2,781
Derivative Asset, Fair Value, Gross Asset $ 5,438 $ 5,226