INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
INCOME TAXES
Effective income tax rate (as a percent)	20.70%	25.20%
Recognized discrete tax expense (benefit)	$ 1.0	$ 16.1
Tax expense, transfer of intangible assets between affiliates		25.1
Recognized other discrete tax expense (benefit)	3.9
Excess tax benefits, share-based compensation	$ 2.9	6.6
Recognized discrete tax benefits, release of reserves for uncertain tax positions		$ 2.4