PENSION AND OTHER POSTRETIREMENT BENEFITS - Schedule of Economic Assumptions and Impact of Change in Discount Rate on Benefit Obligation (Details)	3 Months Ended
	Mar. 31, 2024	Mar. 26, 2023	Dec. 31, 2023
Pension Benefits
Assumptions used to measure benefit obligation at end of period:
Discount rate	5.15%		4.81%
Assumptions used to measure net pension and other postretirement cost:
Discount rate	4.81%	5.04%
Expected return on plan assets	5.05%	4.97%
Other Benefits
Assumptions used to measure benefit obligation at end of period:
Discount rate	5.27%		5.06%
Assumptions used to measure net pension and other postretirement cost:
Discount rate	5.06%	5.16%