EMPLOYEE BENEFIT PLANS - Pre-tax Amounts Recognized in AOCI (Details) - USD ($) $ in Millions	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (loss) gain	$ 59.6	$ (24.9)
Prior service credit (cost)	1.3	1.7
Total recognized in AOC(L)/I	60.9	(23.2)
Other Post-Employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (loss) gain	17.1	6.9
Prior service credit (cost)	0.5	0.8
Total recognized in AOC(L)/I	17.6	7.7
United States | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (loss) gain	3.5	0.3
Prior service credit (cost)	0.0	0.0
Total recognized in AOC(L)/I	3.5	0.3
International | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Net actuarial (loss) gain	39.0	(32.1)
Prior service credit (cost)	0.8	0.9
Total recognized in AOC(L)/I	$ 39.8	$ (31.2)