PENSION AND OTHER POSTRETIREMENT BENEFITS - Schedule of Economic Assumptions, and Impact of Change in Discount Rate on Benefit Obligation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 25, 2022
Net pension and other postretirement cost
Increase in Discount Rate of 0.25% - impact on defined benefit obligation for pension benefits	$ (3,044)
Decrease in Discount Rate of 0.25% - impact on defined benefit obligation for pension benefits	$ 3,205
Pension Benefits
Benefit obligation
Discount rate	4.68%	4.81%	5.04%
Net pension and other postretirement cost
Discount rate	4.56%	4.93%	3.67%
Expected return on plan assets	6.17%	4.95%	4.68%
Other Benefits
Benefit obligation
Discount rate	5.30%	5.06%	5.16%
Net pension and other postretirement cost
Discount rate	5.06%	5.16%	2.38%