v3.26.1
Related-Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Jan. 31, 2026
Related Party Transaction [Line Items]      
Purchase of corn and other supplies from affiliates $ 18.8 $ 24.8  
Related Party [Member]      
Related Party Transaction [Line Items]      
Accounts payable $ 1.5   $ 1.2