EMPLOYEE BENEFIT PLANS - Amount Recognized in Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2023	Jun. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	$ 1.4	$ 1.4
Current liabilities	(4.3)	(4.7)
Noncurrent liabilities	(280.7)	(292.2)
Funded status	(283.6)	(295.5)
AOC(L)/I	76.0	60.9
Net amount recognized	(207.6)	(234.6)
Other Post-Employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	0.0	0.0
Current liabilities	(2.5)	(2.6)
Noncurrent liabilities	(33.4)	(36.2)
Funded status	(35.9)	(38.8)
AOC(L)/I	18.5	17.6
Net amount recognized	(17.4)	(21.2)
United States | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	0.0	0.0
Current liabilities	(1.3)	(1.3)
Noncurrent liabilities	(11.7)	(13.2)
Funded status	(13.0)	(14.5)
AOC(L)/I	1.4	3.5
Net amount recognized	(11.6)	(11.0)
International | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	1.4	1.4
Current liabilities	(0.5)	(0.8)
Noncurrent liabilities	(235.6)	(242.8)
Funded status	(234.7)	(242.2)
AOC(L)/I	56.1	39.8
Net amount recognized	$ (178.6)	$ (202.4)