GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Jul. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Cost		$ 6,603.7		$ 6,603.7		$ 6,686.5
Accumulated Amortization		(1,700.8)		(1,700.8)		(1,582.4)
Accumulated Impairment		(25.5)		(25.5)		(5.9)
Net		4,877.4		4,877.4		5,098.2
Asset impairment charges		965.1	$ 0.0	977.7	$ 0.0
Amortization expense		88.5	$ 89.6	181.0	$ 167.8
License agreements
Finite-Lived Intangible Assets [Line Items]
Cost		3,259.9		3,259.9		3,362.7
Accumulated Amortization		(810.7)		(810.7)		(792.9)
Accumulated Impairment		(19.6)		(19.6)		0.0
Net		2,429.6		2,429.6		2,569.8
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost		1,949.7		1,949.7		1,960.5
Accumulated Amortization		(572.0)		(572.0)		(508.7)
Accumulated Impairment		(5.5)		(5.5)		(5.5)
Net		1,372.2		1,372.2		1,446.3
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost		1,040.2		1,040.2		1,002.1
Accumulated Amortization		(207.1)		(207.1)		(185.5)
Accumulated Impairment		(0.4)		(0.4)		(0.4)
Net		832.7		832.7		816.2
Asset impairment charges	$ 12.6
Product formulations and technology
Finite-Lived Intangible Assets [Line Items]
Cost		353.9		353.9		361.2
Accumulated Amortization		(111.0)		(111.0)		(95.3)
Accumulated Impairment		0.0		0.0		0.0
Net		242.9		242.9		$ 265.9
Fiscal 2019 Acquisition | Trademarks
Finite-Lived Intangible Assets [Line Items]
Net		$ 40.8		$ 40.8