PENSION AND OTHER POSTRETIREMENT BENEFITS - Schedule of Economic Assumptions and Impact of Change in Discount Rate on Benefit Obligation (Details)	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022	Dec. 25, 2022
Pension Benefits
Assumptions used to measure benefit obligation at end of period:
Discount rate	5.14%		5.04%
Assumptions used to measure net pension and other postretirement cost:
Discount rate	5.04%	2.23%
Expected return on plan assets	4.97%	3.40%
Other Benefits
Assumptions used to measure benefit obligation at end of period:
Discount rate	5.44%		5.16%
Assumptions used to measure net pension and other postretirement cost:
Discount rate	5.16%	2.38%