INTEREST EXPENSE, NET (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Interest Income (Expense), Net [Abstract]
Interest expense	$ 74.1	$ 69.6	$ 146.5	$ 137.0
Foreign exchange gains, net of derivative contracts	(0.2)	(6.9)	(3.8)	(5.9)
Interest income	(5.6)	(2.4)	(10.3)	(4.4)
Total interest expense, net	$ 68.3	$ 60.3	$ 132.4	$ 126.7