FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Millions	Mar. 31, 2024	Sep. 30, 2023
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets	$ 3.4	$ 3.3
Derivative Liabilities	17.8	9.0
Debt	1,368.1	1,418.6
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets	3.4	3.3
Derivative Liabilities	17.8	9.0
Debt	1,383.4	1,555.5
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets	0.0	0.0
Derivative Liabilities	0.0	0.0
Debt	0.0	0.0
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets	3.4	3.3
Derivative Liabilities	17.8	9.0
Debt	1,368.1	1,418.6
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets	0.0	0.0
Derivative Liabilities	0.0	0.0
Debt	$ 0.0	$ 0.0