INTEREST EXPENSE, NET (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Interest Income (Expense), Net [Abstract]
Interest expense	$ 72.4	$ 67.4
Foreign exchange losses (gains), net of derivative contracts	(3.6)	1.0
Interest income	(4.7)	(2.0)
Total interest expense, net	$ 64.1	$ 66.4