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FAIR VALUE (Financial Assets and Financial Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) | May 31, 2023 | Aug. 31, 2022 | May 31, 2022
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Significant Unobservable Inputs (Level 3) | Minimum | Commodity | Valuation Technique, Discounted Cash Flow |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Energy floating rate | $ 479.70 |  | $ 460.11
Significant Unobservable Inputs (Level 3) | Maximum | Commodity | Valuation Technique, Discounted Cash Flow |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Energy floating rate | 1,298.53 |  | 1,298.53
Significant Unobservable Inputs (Level 3) | Average | Commodity | Valuation Technique, Discounted Cash Flow |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Energy floating rate | 770.93 |  | $ 717.22
Fair value, measurements, recurring | Money market investments |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Money market investments | 389,688,000 | $ 572,384,000 |
Fair value, measurements, recurring | Commodity |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 285,148,000 | 160,847,000 |
Derivative liabilities | 5,491,000 | 1,260,000 |
Fair value, measurements, recurring | Foreign exchange |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 4,275,000 | 1,296,000 |
Derivative liabilities | 6,730,000 | 3,126,000 |
Fair value, measurements, recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Money market investments |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Money market investments | 389,688,000 | 572,384,000 |
Fair value, measurements, recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Commodity |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 4,863,000 | 17,347,000 |
Derivative liabilities | 5,491,000 | 1,260,000 |
Fair value, measurements, recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign exchange |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 0 | 0 |
Derivative liabilities | 0 | 0 |
Fair value, measurements, recurring | Significant Other Observable Inputs (Level 2) | Money market investments |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Money market investments | 0 | 0 |
Fair value, measurements, recurring | Significant Other Observable Inputs (Level 2) | Commodity |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 0 | 0 |
Derivative liabilities | 0 | 0 |
Fair value, measurements, recurring | Significant Other Observable Inputs (Level 2) | Foreign exchange |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 4,275,000 | 1,296,000 |
Derivative liabilities | 6,730,000 | 3,126,000 |
Fair value, measurements, recurring | Significant Unobservable Inputs (Level 3) | Money market investments |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Money market investments | 0 | 0 |
Fair value, measurements, recurring | Significant Unobservable Inputs (Level 3) | Commodity |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 280,285,000 | 143,500,000 |
Derivative liabilities | 0 | 0 |
Fair value, measurements, recurring | Significant Unobservable Inputs (Level 3) | Foreign exchange |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Derivative assets | 0 | 0 |
Derivative liabilities | $ 0 | $ 0 |

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