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INVESTMENTS (Details)
gal in Millions
 12 Months Ended
Jan. 31, 2025
USD ($)
gal
Jan. 31, 2024
USD ($)
Jan. 31, 2023
USD ($)
INVESTMENTS (Details) [Line Items]      
Income (Loss) from Equity Method Investments $ 9,385,000 $ 13,921,000 $ 8,745,000
Proceeds from Equity Method Investment, Distribution 8,521,000 12,030,000 6,266,000
Equity Method Investments 35,800,000 34,936,000  
Short-Term Investments 162,820,000 155,260,000  
Certificates of Deposit [Member]      
INVESTMENTS (Details) [Line Items]      
Short-Term Investments $ 162,800,000 $ 155,300,000  
Debt Securities, Held-to-Maturity, Weighted Average Yield, Maturity, Year One 4.40% 5.50%  
Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss $ 19,000 $ 94,000  
Big River [Member]      
INVESTMENTS (Details) [Line Items]      
Payments to Acquire Equity Method Investments $ 20,000,000    
Quantity of ethanol shipped (in US Gallons) | gal 437.8    
Income (Loss) from Equity Method Investments $ 9,400,000 13,900,000 8,700,000
Proceeds from Equity Method Investment, Distribution 8,500,000 12,000,000 $ 6,300,000
Equity Method Investments 35,800,000 $ 34,936,000  
Equity Method Investment, Underlying Equity in Net Assets 36,700,000    
Other Restricted Assets 144,300,000    
Proportionate Share of Restricted Net Assets $ 14,900,000