GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	Sep. 30, 2019	Jun. 30, 2019
Finite-Lived Intangible Assets [Line Items]
Cost	$ 6,123.0	$ 6,590.5
Accumulated Amortization	(1,836.1)	(1,872.4)
Accumulated Impairment	(25.6)	(25.6)
Net	4,261.3	4,692.5
License agreements
Finite-Lived Intangible Assets [Line Items]
Cost	3,147.0	3,245.3
Accumulated Amortization	(893.3)	(874.5)
Accumulated Impairment	(19.6)	(19.6)
Net	2,234.1	2,351.2
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	1,720.4	1,951.6
Accumulated Amortization	(590.0)	(642.0)
Accumulated Impairment	(5.5)	(5.5)
Net	1,124.9	1,304.1
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	911.7	1,039.5
Accumulated Amortization	(222.7)	(229.4)
Accumulated Impairment	(0.5)	(0.5)
Net	688.5	809.6
Product formulations and technology
Finite-Lived Intangible Assets [Line Items]
Cost	343.9	354.1
Accumulated Amortization	(130.1)	(126.5)
Accumulated Impairment	0.0	0.0
Net	$ 213.8	$ 227.6