RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - Assumptions Used to Determine Net Periodic Pension Cost (Details) - Pension Plan	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Actuarial assumptions used to determine benefit obligations as of December 31:
Discount rate	5.27%	5.52%	2.79%
Rate of compensation increase	3.30%	3.36%	3.36%
Actuarial assumptions used to determine net periodic pension cost for years ended December 31:
Discount rate	5.52%	2.79%	2.79%
Expected long-term rate of return on plan assets	5.84%	5.18%	5.38%
Rate of compensation increase	3.36%	3.36%	2.85%