EQUITY - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	$ 8,855.2	$ 9,326.0
Other comprehensive income (loss) before reclassifications	(45.1)	239.2
Net amounts reclassified from AOCI/(L)	(2.9)	(0.1)
Total other comprehensive income, net of tax	(48.0)	239.1
Balance, end of period	8,613.1	9,453.7
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	158.8	4.4
Balance, end of period	110.8	243.5
Gain (Loss) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	31.7	12.6
Other comprehensive income (loss) before reclassifications	3.9	0.0
Net amounts reclassified from AOCI/(L)	(2.9)	(0.1)
Total other comprehensive income, net of tax	1.0	(0.1)
Balance, end of period	32.7	12.5
Gain on Net Investment Hedge
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	115.0	(23.7)
Other comprehensive income (loss) before reclassifications	4.3	(22.1)
Net amounts reclassified from AOCI/(L)	0.0	0.0
Total other comprehensive income, net of tax	4.3	(22.1)
Balance, end of period	119.3	(45.8)
Other Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(44.3)	(20.8)
Other comprehensive income (loss) before reclassifications	(53.4)	260.6
Net amounts reclassified from AOCI/(L)	0.0	0.0
Total other comprehensive income, net of tax	(53.4)	260.6
Balance, end of period	(97.7)	239.8
Pension and Other Post-Employment Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	56.4	36.3
Other comprehensive income (loss) before reclassifications	0.1	0.7
Net amounts reclassified from AOCI/(L)	0.0	0.0
Total other comprehensive income, net of tax	0.1	0.7
Balance, end of period	$ 56.5	$ 37.0