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Derivative Financial Instruments and Hedging Activities - Purchase and Sales Contracts Outstanding (Details) - Not Designated as Hedging Instrument t in Thousands, T in Thousands, MMBtu in Thousands, Bushels in Thousands, Barrels in Thousands | Aug. 31, 2024 T Bushels t Barrels MMBtu | Aug. 31, 2023 Barrels t MMBtu T Bushels
--- | --- | ---
Grain and oilseed contracts [Member] | Long [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | Bushels | 385,426 | 506,654
Grain and oilseed contracts [Member] | Short [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | Bushels | 517,883 | 630,803
Energy products [Member] | Long [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | Barrels | 8,438 | 11,839
Energy products [Member] | Short [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | Barrels | 5,014 | 8,085
Processed grain and oilseed contracts [Member] | Long [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 3,600 | 7,380
Processed grain and oilseed contracts [Member] | Short [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 6,193 | 9,437
Crop nutrient contracts | Long [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 73 | 70
Crop nutrient contracts | Short [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | 14 | 10
Ocean freight contracts | Long [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | t | 0 | 40
Ocean freight contracts | Short [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | t | 0 | 0
Natural gas contracts [Member] | Long [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | MMBtu | 2,350 | 460
Natural gas contracts [Member] | Short [Member] |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount | MMBtu | 500 | 0

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