DERIVATIVE INSTRUMENTS - Amount of Gains and Losses Related Derivative Financial Instruments Not Designated as Hedging Instruments (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Selling, general and administrative expenses
Derivative [Line Items]
Condensed Consolidated Statements of Operations Classification of Gain (Loss) Recognized in Operations	$ (0.2)	$ (2.3)	$ (1.1)	$ (1.9)
Interest expense, net
Derivative [Line Items]
Condensed Consolidated Statements of Operations Classification of Gain (Loss) Recognized in Operations	(7.0)	(5.9)	6.1	4.1
Other expense, net
Derivative [Line Items]
Condensed Consolidated Statements of Operations Classification of Gain (Loss) Recognized in Operations	$ (0.3)	$ (0.1)	$ (0.3)	$ (0.5)