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Derivative Financial Instruments and Hedging Activities - Purchase and Sale Contracts (Details) - Not Designated as Hedging Instrument T in Thousands, MMBtu in Thousands, Bushels in Thousands, Barrels in Thousands | Feb. 28, 2025 MMBtu Bushels Barrels T | Aug. 31, 2024 Bushels MMBtu Barrels T
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Grain and oilseed (bushels) | Long [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | Bushels | 514,479 | 385,426
Grain and oilseed (bushels) | Short [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | Bushels | 960,135 | 517,883
Energy products (barrels) | Long [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | Barrels | 5,757 | 8,438
Energy products (barrels) | Short [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | Barrels | 6,389 | 5,014
Processed grain and oilseed (tons) | Long [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 838 | 3,600
Processed grain and oilseed (tons) | Short [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 2,173 | 6,193
Crop nutrients (tons) | Long [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 8 | 73
Crop nutrients (tons) | Short [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 42 | 14
Natural gas (metric million Btu) | Long [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | MMBtu | 0 | 2,350
Natural gas (metric million Btu) | Short [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | MMBtu | 0 | 500

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