INTEREST EXPENSE, NET - Schedule of interest expense, net (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Interest Income (Expense), Operating [Abstract]
Interest expense	$ 51.6	$ 60.4
Foreign exchange (gains) losses, net of derivative contracts	(0.9)	4.7
Interest income	(4.1)	(3.3)
Total interest expense, net	$ 46.6	$ 61.8