OTHER (INCOME) EXPENSE - Schedule of Other Expense (Income) - Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Other Income and Expenses [Abstract]
Net investment gains	$ (3.2)	$ (5.1)
Net expense from banking activities	3.9	3.3
Foreign currency transaction related losses - net	10.0	7.6
Miscellaneous pension and benefit income	(3.4)	(4.9)
Other income	(10.4)	(9.0)
Other expense	6.0	0.4
Other expense (income) - net	$ 2.9	$ (7.7)