BENEFIT PLANS (Narrative) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) entity item	Mar. 31, 2022 USD ($)
BENEFIT PLANS [Abstract]
Number of funded, noncontributory defined benefit pension plans	2
Number of unfunded, nonqualified pension plans	3
Number of defined contribution plans | item	5
Normal retirement age	65 years
Expense recognized related to defined contribution plans | $	$ 18.9	$ 15.8