v3.26.1
FAIR VALUE (Financial Assets and Financial Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($)
May 31, 2026
Aug. 31, 2025
May 31, 2025
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 $ 346   $ 346
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 628   563
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 452   $ 436
Fair value, measurements, recurring | Money market investments      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Money market investments 419,150,000 $ 902,106,000  
Fair value, measurements, recurring | Commodity      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative assets 50,096,000 58,901,000  
Derivative liabilities 4,687,000 282,000  
Fair value, measurements, recurring | Foreign exchange      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Derivative assets 1,027,000 4,809,000  
Derivative liabilities 802,000 821,000  
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 419,150,000 902,106,000  
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 0 5,458,000  
Derivative liabilities 4,687,000 282,000  
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 1,027,000 4,809,000  
Derivative liabilities 802,000 821,000  
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 50,096,000 53,443,000  
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