INTEREST EXPENSE, NET (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Interest Income (Expense), Net [Abstract]
Interest expense	$ 75.5	$ 72.4
Foreign exchange gains, net of derivative contracts	3.8	(3.6)
Interest income	(1.9)	(4.7)
Total interest expense, net	$ 77.4	$ 64.1