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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Outstanding Commodity Contracts that Hedge Forecasted Purchases (Details) | 12 Months Ended
--- | ---
Sep. 30, 2024 T gal | Sep. 30, 2023 T gal
Urea |  |
Derivative [Line Items] |  |
Outstanding commodity contracts, mass | T | 51,000 | 52,500
Diesel |  |
Derivative [Line Items] |  |
Outstanding commodity contracts, volume | 1,092,000 | 1,974,000
Heating Oil |  |
Derivative [Line Items] |  |
Outstanding commodity contracts, volume | 42,000 | 966,000

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
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