Derivative Financial Instruments (Details) bu in Millions	Apr. 30, 2026 bu gal	Jan. 31, 2026 bu
Derivative Financial Instruments [Abstract]
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Prepaid expenses and other
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other current liabilities
Assets [Member] \| Corn [Member]
Derivative Financial Instruments [Abstract]
Forward purchase contracts assets	10.6	8.8
Liabilities, Total [Member] \| Corn [Member]
Derivative Financial Instruments [Abstract]
Forward purchase contracts assets	13.1	9.6
Short [Member] \| Liabilities, Total [Member] \| Corn [Member]
Derivative Financial Instruments [Abstract]
Commodity futures assets and liabilities quantity	6.9	2.4
Short [Member] \| Liabilities, Total [Member] \| Ethanol [Member]
Derivative Financial Instruments [Abstract]
Commodity futures assets and liabilities quantity \| gal	630,000
Long [Member] \| Liabilities, Total [Member] \| Corn [Member]
Derivative Financial Instruments [Abstract]
Commodity futures assets and liabilities quantity	5.7	1.8

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- Definition

Indicates line item in statement of financial position that includes derivative asset.

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