SHARE-BASED COMPENSATION (Stock/Stock Unit Award Activity) (Details) - Stock and Stock Unit Awards - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation
Cliff vesting term	3 years
Stock/Stock Unit Award Activity and Related Information, Shares
Non-vested at beginning of period, shares	264
Awarded, shares	138
Vested, shares	(128)
Forfeited, shares	(15)
Non-vested at end of period, shares	259	264
Stock/Stock Unit Award Activity and Related Information, Weighted Average Grant Date Fair Value
Non-vested at beginning of period, weighted-average grant date fair value (in dollars per share)	$ 72.90
Awarded, weighted-average grant date fair value (in dollars per share)	87.31	$ 81.16	$ 74.23
Vested, weighted-average grant date fair value (in dollars per share)	62.16
Forfeited, weighted-average grant date fair value (in dollars per share)	87.30
Non-vested at the end of period, weighted-average grant date fair value (in dollars per share)	$ 85.05	$ 72.90
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value	$ 8.0	$ 9.1	$ 6.1
Unrecognized compensation cost related to nonvested share-based compensation	$ 8.7
Unrecognized compensation cost, recognized over a weighted-average period	1 year 3 months 25 days