INTEREST EXPENSE, NET (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Interest Income (Expense), Net [Abstract]
Interest expense	$ 76.8	$ 75.5	$ 223.3	$ 212.5
Foreign exchange gains, net of derivative contracts	(0.3)	0.6	(4.1)	(5.3)
Interest income	(4.5)	(3.5)	(14.8)	(7.9)
Total interest expense, net	$ 72.0	$ 72.6	$ 204.4	$ 199.3