GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	Mar. 31, 2024	Jun. 30, 2023
Finite-Lived Intangible Assets [Line Items]
Cost	$ 4,879.1	$ 4,905.4
Accumulated Amortization	(2,168.5)	(2,032.6)
Accumulated Impairment	(25.6)	(25.6)
Net	2,685.0	2,847.2
License agreements and collaboration agreements
Finite-Lived Intangible Assets [Line Items]
Cost	3,734.9	3,756.2
Accumulated Amortization	(1,391.1)	(1,282.6)
Accumulated Impairment	(19.6)	(19.6)
Net	2,324.2	2,454.0
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	747.0	750.6
Accumulated Amortization	(524.0)	(505.9)
Accumulated Impairment	(5.5)	(5.5)
Net	217.5	239.2
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	312.3	313.0
Accumulated Amortization	(189.6)	(180.6)
Accumulated Impairment	(0.5)	(0.5)
Net	122.2	131.9
Product formulations and technology
Finite-Lived Intangible Assets [Line Items]
Cost	84.9	85.6
Accumulated Amortization	(63.8)	(63.5)
Accumulated Impairment	0.0	0.0
Net	$ 21.1	$ 22.1