TAXATION - Reconciliation of Changes in 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]
Balance at beginning of period	$ 100.2	$ 86.6	$ 61.9
Additions for tax positions related to the current year	9.6	16.2	15.9
Additions for tax positions related to prior years	1.3	3.1	14.2
Reductions for tax positions related to prior years	(7.7)	(1.2)	(3.5)
Reductions related to lapse of statute of limitations	(1.8)	(2.1)	(1.9)
Reductions related to settlements	(10.3)	(2.4)	0.0
Balance at end of period	$ 91.3	$ 100.2	$ 86.6