GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of intangible assets subject to amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Cost	$ 6,686.5	$ 6,476.1
Accumulated Amortization	(1,582.4)	(1,232.3)
Accumulated Impairment	(5.9)	(5.5)
Net	5,098.2	5,238.3
License agreements
Finite-Lived Intangible Assets [Line Items]
Cost	3,362.7	3,148.4
Accumulated Amortization	(792.9)	(653.3)
Accumulated Impairment	0.0	0.0
Net	2,569.8	2,495.1
Intangible assets acquired	171.1
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	1,960.5	1,937.3
Accumulated Amortization	(508.7)	(375.0)
Accumulated Impairment	(5.5)	(5.5)
Net	1,446.3	1,556.8
Intangible assets acquired	6.7
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	1,002.1	1,001.1
Accumulated Amortization	(185.5)	(141.0)
Accumulated Impairment	(0.4)	0.0
Net	816.2	860.1
Product formulations and technology
Finite-Lived Intangible Assets [Line Items]
Cost	361.2	389.3
Accumulated Amortization	(95.3)	(63.0)
Accumulated Impairment	0.0	0.0
Net	$ 265.9	$ 326.3