DERIVATIVE INSTRUMENTS - Amount of Gains and Losses Reclassified from AOCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Net revenues	$ 1,990.6	$ 2,222.7	$ 6,533.1	$ 7,098.6
Cost of sales	741.2	812.3	2,507.0	2,711.4
Interest expense	(72.0)	(72.6)	(204.4)	(199.3)
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	0.3	0.0	0.7
Cost of sales	0.1	0.2	0.1	0.7
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	$ 2.7	$ (2.2)	$ 10.4	$ (3.1)