INTEREST EXPENSE, NET - Schedule of interest expense, net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Interest Income (Expense), Operating [Abstract]
Interest expense	$ 52.4	$ 56.7	$ 104.0	$ 117.1
Foreign exchange (gains) losses, net of derivative contracts	(5.8)	1.4	(6.7)	6.1
Interest income	(5.2)	(3.7)	(9.3)	(7.0)
Total interest expense, net	$ 41.4	$ 54.4	$ 88.0	$ 116.2