GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Cost	$ 6,590.5	$ 6,686.5
Accumulated Amortization	(1,872.4)	(1,582.4)
Accumulated Impairment	(25.6)	(5.9)
Net	4,692.5	5,098.2
License agreements
Finite-Lived Intangible Assets [Line Items]
Cost	3,245.3	3,362.7
Accumulated Amortization	(874.5)	(792.9)
Accumulated Impairment	(19.6)	0.0
Net	2,351.2	2,569.8
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	1,951.6	1,960.5
Accumulated Amortization	(642.0)	(508.7)
Accumulated Impairment	(5.5)	(5.5)
Net	1,304.1	1,446.3
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	1,039.5	1,002.1
Accumulated Amortization	(229.4)	(185.5)
Accumulated Impairment	(0.5)	(0.4)
Net	809.6	816.2
Intangible assets acquired	40.8
Product formulations and technology
Finite-Lived Intangible Assets [Line Items]
Cost	354.1	361.2
Accumulated Amortization	(126.5)	(95.3)
Accumulated Impairment	0.0	0.0
Net	$ 227.6	$ 265.9