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		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Selling, general and administrative expenses
Derivative [Line Items]
Condensed Consolidated Statements of Operations Classification of Gain (Loss) Recognized in Operations	$ 0.3	$ 0.2	$ (0.9)	$ 0.4
Interest expense, net
Derivative [Line Items]
Condensed Consolidated Statements of Operations Classification of Gain (Loss) Recognized in Operations	5.0	12.1	13.1	10.0
Other expense, net
Derivative [Line Items]
Condensed Consolidated Statements of Operations Classification of Gain (Loss) Recognized in Operations	$ (0.2)	$ (0.4)	$ 0.0	$ (0.4)