EMPLOYEE BENEFIT PLANS - Pre-tax Amounts Recognized in AOCI (Details) - USD ($) $ in Millions	Jun. 30, 2023	Jun. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (loss) gain	$ 74.9	$ 59.6
Prior service credit (cost)	1.1	1.3
Total recognized in AOC(L)/I	76.0	60.9
Other Post-Employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (loss) gain	18.2	17.1
Prior service credit (cost)	0.3	0.5
Total recognized in AOC(L)/I	18.5	17.6
United States | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (loss) gain	1.4	3.5
Prior service credit (cost)	0.0	0.0
Total recognized in AOC(L)/I	1.4	3.5
International | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (loss) gain	55.3	39.0
Prior service credit (cost)	0.8	0.8
Total recognized in AOC(L)/I	$ 56.1	$ 39.8