OTHER (INCOME) EXPENSE - Schedule of Other Expense (Income) - Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Other Income and Expenses [Abstract]
Investment gains	$ (9.7)	$ (6.3)	$ (6.4)	$ (9.5)
Foreign currency transaction related losses (gains) - net	0.3	13.1	(5.5)	23.1
Miscellaneous pension and benefit expense (income)	0.5	(3.4)	0.6	(6.8)
Other income	(3.2)	(8.9)	(4.8)	(19.3)
Other expense	0.0	10.2	0.0	20.1
Total	$ (12.1)	$ 4.7	$ (16.1)	$ 7.6