INCOME TAXES - Unrecognized Tax Benefits And Associated Interest And Penalties (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Unrecognized Tax Benefits [Roll Forward]
Unrecognized tax benefits, ending balance	$ 32.5
Federal, State and Foreign Tax
Unrecognized Tax Benefits [Roll Forward]
Unrecognized tax benefits, beginning balance	46.2	$ 57.6
Reductions for tax positions related to prior years	(15.2)	(7.9)
Reductions for tax positions related to current year		(2.9)
Reductions for tax positions related to current year	39.9
Reductions for tax positions due to settlements	(2.1)	(0.6)
Unrecognized tax benefits, ending balance	$ 68.8	$ 46.2