GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	Jun. 30, 2024	Jun. 30, 2023
Finite-Lived Intangible Assets [Line Items]
Cost	$ 4,852.3	$ 4,905.4
Accumulated Amortization	(2,205.7)	(2,032.6)
Accumulated Impairment	(25.6)	(25.6)
Net	2,621.0	2,847.2
License and collaboration agreements
Finite-Lived Intangible Assets [Line Items]
Cost	3,715.1	3,756.2
Accumulated Amortization	(1,422.5)	(1,282.6)
Accumulated Impairment	(19.6)	(19.6)
Net	2,273.0	2,454.0
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	741.8	750.6
Accumulated Amortization	(527.8)	(505.9)
Accumulated Impairment	(5.5)	(5.5)
Net	208.5	239.2
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	311.7	313.0
Accumulated Amortization	(192.4)	(180.6)
Accumulated Impairment	(0.5)	(0.5)
Net	118.8	131.9
Product formulations and technology
Finite-Lived Intangible Assets [Line Items]
Cost	83.7	85.6
Accumulated Amortization	(63.0)	(63.5)
Accumulated Impairment	0.0	0.0
Net	$ 20.7	$ 22.1