DERIVATIVE FINANCIAL INSTRUMENTS - Derivative Instruments in Condensed Consolidated Balance Sheets (Details) - Commodity Contract - USD ($) $ in Millions	Mar. 31, 2026	Sep. 30, 2025
Prepaid expenses and other current assets
Derivative Instruments Activities Disclosures
Prepaid expenses and other current assets	$ 17.2	$ 0.0
Other current liabilities
Derivative Instruments Activities Disclosures
Other current liabilities	$ 0.9	$ 12.6

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

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.

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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and elected not to be offset.

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