GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	Dec. 31, 2021	Jun. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Cost	$ 5,232.3	$ 5,416.4
Accumulated Amortization	(1,982.9)	(1,946.5)
Accumulated Impairment	(25.6)	(25.6)
Net	3,223.8	3,444.3
License agreements and collaboration agreements
Finite-Lived Intangible Assets [Line Items]
Cost	4,060.4	4,192.9
Accumulated Amortization	(1,276.0)	(1,229.1)
Accumulated Impairment	(19.6)	(19.6)
Net	2,764.8	2,944.2
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	758.6	803.1
Accumulated Amortization	(470.8)	(486.3)
Accumulated Impairment	(5.5)	(5.5)
Net	282.3	311.3
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	326.3	330.2
Accumulated Amortization	(173.8)	(168.7)
Accumulated Impairment	(0.5)	(0.5)
Net	152.0	161.0
Product formulations and technology
Finite-Lived Intangible Assets [Line Items]
Cost	87.0	90.2
Accumulated Amortization	(62.3)	(62.4)
Accumulated Impairment	0.0	0.0
Net	$ 24.7	$ 27.8