DERIVATIVE INSTRUMENTS - Derivatives Not Designated as Hedging (Details) - Foreign exchange forward contracts - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Selling, general and administrative expenses
Derivative [Line Items]
Gain (loss) recognized in operations	$ (0.7)	$ 0.1	$ (0.9)	$ 0.1
Interest expense, net
Derivative [Line Items]
Gain (loss) recognized in operations	6.6	(5.6)	11.3	(1.6)
Other expense, net
Derivative [Line Items]
Gain (loss) recognized in operations	$ (0.2)	$ 0.1	$ (0.3)	$ 1.4