EMPLOYEE BENEFIT PLANS - Amount Recognized in Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	$ 2.9	$ 1.8
Current liabilities	(4.3)	(3.6)
Noncurrent liabilities	(283.8)	(275.2)
Funded status	(285.2)	(277.0)
AOC(L)/I	77.7	67.4
Net amount recognized	(207.5)	(209.6)
Other Post-Employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	0.0	0.0
Current liabilities	(2.1)	(2.1)
Noncurrent liabilities	(28.7)	(29.4)
Funded status	(30.8)	(31.5)
AOC(L)/I	17.2	19.1
Net amount recognized	(13.6)	(12.4)
United States | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	0.0	0.0
Current liabilities	(1.3)	(1.3)
Noncurrent liabilities	(10.0)	(11.2)
Funded status	(11.3)	(12.5)
AOC(L)/I	1.1	0.5
Net amount recognized	(10.2)	(12.0)
International | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	2.9	1.8
Current liabilities	(0.9)	(0.2)
Noncurrent liabilities	(245.1)	(234.6)
Funded status	(243.1)	(233.0)
AOC(L)/I	59.4	47.8
Net amount recognized	$ (183.7)	$ (185.2)