EMPLOYEE BENEFIT PLANS - Amount Recognized in Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2024	Jun. 30, 2023
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	$ 1.8	$ 1.4
Current liabilities	(3.6)	(4.3)
Noncurrent liabilities	(275.2)	(280.7)
Funded status	(277.0)	(283.6)
AOC(L)/I	67.4	76.0
Net amount recognized	(209.6)	(207.6)
Other Post-Employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	0.0	0.0
Current liabilities	(2.1)	(2.5)
Noncurrent liabilities	(29.4)	(33.4)
Funded status	(31.5)	(35.9)
AOC(L)/I	19.1	18.5
Net amount recognized	(12.4)	(17.4)
United States | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	0.0	0.0
Current liabilities	(1.3)	(1.3)
Noncurrent liabilities	(11.2)	(11.7)
Funded status	(12.5)	(13.0)
AOC(L)/I	0.5	1.4
Net amount recognized	(12.0)	(11.6)
International | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	1.8	1.4
Current liabilities	(0.2)	(0.5)
Noncurrent liabilities	(234.6)	(235.6)
Funded status	(233.0)	(234.7)
AOC(L)/I	47.8	56.1
Net amount recognized	$ (185.2)	$ (178.6)