FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Significant Unobservable Inputs Used to Determine Fair Value Long-Lived Assets Held and Used (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long Lived Assets	$ 0.2	$ 0.3
Total	0.2	0.3
Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	0.2	0.3
Machinery and Equipment | Discounted Cash Flows; Indicative Bids | Level 3 | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long Lived Assets	$ 0.2	$ 0.3