EQUITY - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			$ 367.1	$ 984.7
Total other comprehensive (loss) income, net of tax	$ (52.1)	$ 1.2	(44.3)	(11.3)
Balance, end of period	9,810.2	419.4	9,810.2	419.4
Total
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(239.7)	(274.0)
Other comprehensive (loss) income before reclassifications			(55.8)	(9.5)
Net amounts reclassified from AOCI			12.0	(1.5)
Total other comprehensive (loss) income, net of tax			(43.8)	(11.0)
Balance, end of period	(283.5)	(285.0)	(283.5)	(285.0)
Gain (Loss) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(28.9)	(0.1)
Other comprehensive (loss) income before reclassifications			39.6	8.8
Net amounts reclassified from AOCI			2.3	(1.5)
Total other comprehensive (loss) income, net of tax			41.9	7.3
Balance, end of period	13.0	7.2	13.0	7.2
Gain (Loss) on Net Investment Hedges
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(2.5)	0.0
Other comprehensive (loss) income before reclassifications			38.1	9.1
Net amounts reclassified from AOCI			0.0	0.0
Total other comprehensive (loss) income, net of tax			38.1	9.1
Balance, end of period	35.6	9.1	35.6	9.1
Other Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(164.0)	(249.3)
Other comprehensive (loss) income before reclassifications			(133.9)	(27.6)
Net amounts reclassified from AOCI			0.0	0.0
Total other comprehensive (loss) income, net of tax			(133.9)	(27.6)
Balance, end of period	(297.9)	(276.9)	(297.9)	(276.9)
Pension and Other Post-Employment Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(44.3)	(24.6)
Other comprehensive (loss) income before reclassifications			0.4	0.2
Net amounts reclassified from AOCI			9.7	0.0
Total other comprehensive (loss) income, net of tax			10.1	0.2
Balance, end of period	$ (34.2)	$ (24.4)	$ (34.2)	$ (24.4)