PENSION AND NON-PENSION POST-EMPLOYMENT BENEFIT PLANS - Schedule of Amount Recognized in OCI and AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
OCI, net loss (gain), net of tax	$ 2.0	$ 8.9	$ (26.2)
AOCI, net gain, net of tax	(25.9)	(27.9)
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
AOCI, net gain, net of tax	(9.7)	(7.7)
Other Benefits Plans
Defined Benefit Plan Disclosure [Line Items]
AOCI, net gain, net of tax	$ (16.2)	$ (20.2)