EMPLOYEE BENEFIT PLANS - Amount Recognized in Balance Sheet (Details) - USD ($) $ in Millions	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	$ 1.4	$ 0.0
Current liabilities	(4.7)	(5.3)
Noncurrent liabilities	(292.2)	(420.6)
Funded status	(295.5)	(425.9)
AOC(L)/I	60.9	(23.2)
Net amount recognized	(234.6)	(449.1)
Other Post-Employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	0.0	0.0
Current liabilities	(2.6)	(2.6)
Noncurrent liabilities	(36.2)	(47.6)
Funded status	(38.8)	(50.2)
AOC(L)/I	17.6	7.7
Net amount recognized	(21.2)	(42.5)
United States | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	0.0	0.0
Current liabilities	(1.3)	(2.0)
Noncurrent liabilities	(13.2)	(16.9)
Funded status	(14.5)	(18.9)
AOC(L)/I	3.5	0.3
Net amount recognized	(11.0)	(18.6)
International | Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Noncurrent assets	1.4	0.0
Current liabilities	(0.8)	(0.7)
Noncurrent liabilities	(242.8)	(356.1)
Funded status	(242.2)	(356.8)
AOC(L)/I	39.8	(31.2)
Net amount recognized	$ (202.4)	$ (388.0)