LEASES - (Maturities of Lease Liabilities by Fiscal Year Schedule) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 30, 2022
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2024	$ 88.9
2025	73.8
2026	55.1
2027	31.4
2028	22.8
Thereafter	72.8
Total lease payments	344.8
Less: Imputed interest	(48.3)
Total lease liabilities	296.5	$ 299.4
Finance Lease, Liability, Payment, Due [Abstract]
2024	2.6
2025	2.5
2026	2.1
2027	1.8
2028	1.6
Thereafter	10.2
Total lease payments	20.8
Less: Imputed interest	(3.9)
Total lease liabilities	$ 16.9	$ 28.9