DERIVATIVE INSTRUMENTS - Gains and Losses Recognized in OCI in the Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Foreign exchange forward contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ (2.1)	$ 8.5	$ 5.5	$ 25.8
Interest rate swap contracts
Derivative [Line Items]
Gain (Loss) Recognized in OCI	(22.1)	0.0	(19.6)	0.0
Net investment hedge
Derivative [Line Items]
Gain (Loss) Recognized in OCI	$ (26.1)	$ 0.0	$ (17.0)	$ 0.0