RESTRUCTURING CHARGES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Restructuring and Related Costs [Line Items]
Restructuring and other charges	$ 8.2	$ 3.3
Amounts remaining to be incurred	26.6
Employee Separation Costs
Restructuring and Related Costs [Line Items]
Restructuring and other charges	4.5
Other restructuring costs
Restructuring and Related Costs [Line Items]
Restructuring and other charges	$ 3.7