DERIVATIVE INSTRUMENTS - Amount of Gains and Losses Reclassified from AOCI (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Net revenues	$ 2,511.2	$ 2,637.6	$ 4,542.5	$ 4,875.9
Cost of sales	956.7	1,024.9	1,765.8	1,899.1
Interest expense	(68.3)	(60.3)	(132.4)	(126.7)
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest | Foreign exchange forward contracts | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Net revenues	0.0	0.2	0.0	0.4
Cost of sales	0.0	0.4	0.0	0.5
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest | Interest rate swap contracts | Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Interest expense	$ 3.9	$ (0.6)	$ 7.7	$ (0.9)