RESTRUCTURING COSTS - Restructuring Costs by Program (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 76.7	$ 36.7	$ (6.5)
Fixed Cost Reduction Plan
Restructuring Cost and Reserve [Line Items]
Restructuring costs	75.0	0.0	0.0
Current Restructuring Actions and Other
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 1.7	$ 36.7	$ (6.5)