EQUITY - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	$ 9,317.7	$ 367.1
Other comprehensive (loss) income before reclassifications	533.0	32.1
Net amounts reclassified from AOCI/(L)	(1.3)	13.9
Total other comprehensive income, net of tax	531.7	46.0
Balance, end of period	9,499.6	9,630.6
Gain (Loss) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	12.6	(28.9)
Other comprehensive (loss) income before reclassifications	15.5	40.7
Net amounts reclassified from AOCI/(L)	(1.3)	4.2
Total other comprehensive income, net of tax	14.2	44.9
Balance, end of period	26.8	16.0
Loss on Net Investment Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(23.7)	(2.5)
Other comprehensive (loss) income before reclassifications	(56.7)	29.1
Net amounts reclassified from AOCI/(L)	0.0	0.0
Total other comprehensive income, net of tax	(56.7)	29.1
Balance, end of period	(80.4)	26.6
Other Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(20.8)	(164.0)
Other comprehensive (loss) income before reclassifications	574.9	(38.1)
Net amounts reclassified from AOCI/(L)	0.0	0.0
Total other comprehensive income, net of tax	574.9	(38.1)
Balance, end of period	554.1	(202.1)
Pension and Other Post-Employment Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	36.3	(44.3)
Other comprehensive (loss) income before reclassifications	(0.7)	0.4
Net amounts reclassified from AOCI/(L)	0.0	9.7
Total other comprehensive income, net of tax	(0.7)	10.1
Balance, end of period	35.6	(34.2)
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	4.4	(239.7)
Balance, end of period	$ 536.1	$ (193.7)