INCOME TAXES - Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning of year	$ 178.2	$ 193.0	$ 200.1
Additions based on tax positions related to the current year	21.6	6.2	7.9
Additions for tax positions of prior years	13.5	11.2	3.4
Reductions for tax positions of prior years	(3.0)	(6.3)	(1.4)
Lapse of statute of limitations	(33.0)	(24.4)	(15.6)
Settlements	(2.2)	0.0	(0.2)
Effect of foreign currency translation	0.0	(1.5)	(1.2)
Acquisition related adjustments	1.0	0.0	0.0
Unrecognized tax benefits, end of year	$ 176.1	$ 178.2	$ 193.0