RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - Assumptions Used to Determine Net Periodic Pension Cost (Details) - Pension Plan	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Actuarial assumptions used to determine benefit obligations as of December 31:
Discount rate	5.81%	5.89%	5.27%
Rate of compensation increase	3.27%	3.34%	3.30%
Actuarial assumptions used to determine net periodic pension cost for years ended December 31:
Discount rate	5.89%	5.27%	5.52%
Expected long-term rate of return on plan assets	5.93%	5.64%	5.84%
Rate of compensation increase	3.34%	3.30%	3.36%