INTEREST EXPENSE, NET (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Interest Income (Expense), Net [Abstract]
Interest expense	$ 66.3	$ 74.1	$ 141.8	$ 146.5
Foreign exchange losses (gains), net of derivative contracts	4.9	(0.2)	8.7	(3.8)
Interest income	(0.1)	(5.6)	(2.0)	(10.3)
Total interest expense, net	$ 71.1	$ 68.3	$ 148.5	$ 132.4