RESTRUCTURING COSTS - Restructuring Costs by Program (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 36.7	$ (6.5)	$ (6.5)
Transformation Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs	(1.2)	(6.5)	(6.5)
Current Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 37.9	$ 0.0	$ 0.0