COMMITMENTS AND CONTINGENCIES - Schedule of Forward Contracts (Details)	Jul. 31, 2026 dth lb gal T bu $ / gal $ / T $ / lb $ / dth $ / bu
Distillers grains
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount	15,575
Modified distillers grains
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount	1,700
Corn oil
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount \| lb	7,569,200
Corn contracts
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount \| bu	5,423,425
Natural gas
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount \| dth	2,198,900
Denaturant
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount \| gal	294,400
Basis contracts \| Corn contracts
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount \| bu	1,856,099
Basis contracts \| Natural gas
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount \| dth	151,000
Priced contracts \| Distillers grains
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount	15,575
Derivative, average forward price \| $ / T	131.86
Priced contracts \| Modified distillers grains
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount	1,700
Derivative, average forward price \| $ / T	72.00
Priced contracts \| Corn oil
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount \| lb	7,569,200
Derivative, average forward price \| $ / lb	0.77
Priced contracts \| Corn contracts
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount \| bu	3,567,326
Derivative, average forward price \| $ / bu	4.40
Priced contracts \| Natural gas
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount \| dth	2,047,900
Derivative, average forward price \| $ / dth	3.39
Priced contracts \| Denaturant
Supply Commitment [Line Items]
Derivative, nonmonetary notional amount \| gal	294,400
Derivative, average forward price \| $ / gal	1.68

The average forward price on the group of price risk forward or futures contracts, such as gas futures contracts.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
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-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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-Name Accounting Standards Codification
-Section 50
-Paragraph 8A
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-URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
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-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 440
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-Name Accounting Standards Codification
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