INTEREST EXPENSE, NET (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Interest Income (Expense), Net [Abstract]
Interest expense	$ 67.4	$ 39.7
Foreign exchange losses, net of derivative contracts	1.0	1.3
Interest income	(2.0)	(0.6)
Total interest expense, net	$ 66.4	$ 40.4