STOCK-BASED COMPENSATION PLANS - Restricted Stock Units And Performance Awards Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	7 years
Compensation expense for stock options	$ 7.8	$ 9.2	$ 13.9
Unrecognized compensation cost related to unvested options	$ 34.5
Unrecognized compensation cost related to unvested options, weighted-average period of recognition (in years)	4 years 5 months 19 days
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense for stock options	$ 2.9	$ 0.2
Expected period to vest (in years)	4 years