RETIREMENT AND POSTRETIREMENT BENEFIT PLANS - Assumptions Used to Determine Net Periodic Pension Cost (Details) - Pension Plan	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Actuarial assumptions used to determine benefit obligations as of December 31:
Discount rate	2.79%	2.27%	2.80%
Rate of compensation increase	3.36%	3.54%	3.39%
Actuarial assumptions used to determine net periodic pension cost for years ended December 31:
Discount rate	2.79%	2.76%	4.23%
Expected long-term rate of return on plan assets	5.38%	4.84%	6.59%
Rate of compensation increase	2.85%	3.42%	3.63%