INTEREST EXPENSE, NET (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Interest Income (Expense), Net [Abstract]
Interest expense	$ 51.7	$ 58.7	$ 171.3	$ 173.5
Foreign exchange (gains) losses, net of derivative contracts	(0.6)	6.2	3.1	14.8
Interest income	(0.8)	(1.1)	(2.8)	(3.0)
Total interest expense, net	$ 50.3	$ 63.8	$ 171.6	$ 185.3