LEASES - (Supplemental Balance Sheet Information Schedule) (Details) - USD ($) $ in Millions	Sep. 30, 2022	Sep. 30, 2021
Leases [Abstract]
Operating lease right-of-use assets	$ 288.9	$ 293.0
Current lease liabilities	76.2	66.4
Non-current operating lease liabilities	223.2	234.4
Total operating lease liabilities	299.4	300.8
Finance lease right-of-use assets	26.4	31.3
Finance lease current lease liabilities	6.4	5.9
Finance lease non-current lease liabilities	22.5	27.5
Total finance lease liabilities	$ 28.9	$ 33.4
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets	Other assets
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other Liabilities, Current	Other Liabilities, Current
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net	Property, plant and equipment, net
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Current portion of debt	Current portion of debt
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Long-term debt	Long-term debt