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NET SALES AND REVENUE (Tables)
 12 Months Ended
Jan. 31, 2024
Revenue from Contract with Customer [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block] The following table shows disaggregated revenue by product (amounts in thousands):
   Fiscal Year 
   2023   2022   2021 
             
Sales of products, continuing operations:               
                
Ethanol  $635,420   $649,501   $613,597 
Dried distillers grains   139,173    139,118    125,009 
Distillers corn oil   52,935    55,595    38,852 
Modified distillers grains   5,584    11,579    9,104 
Derivative financial instruments losses   (37)    (1,024)    (12,109) 
Other   309    231    349 
Total sales  $833,384   $855,000   $774,802 
                
Sales of products, discontinued operations:               
                
Refined coal1  $
—
   $
—
   $400 

1 Refined coal sales were recorded net of the cost of coal as the Company purchased the coal feedstock from the same customer to which the processed refined coal was sold.