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. 25, 2022	Dec. 26, 2021	Dec. 27, 2020
Net pension and other postretirement cost
Increase in Discount Rate of 0.25% - impact on defined benefit obligation for pension benefits	$ (6,321)
Decrease in Discount Rate of 0.25% - impact on defined benefit obligation for pension benefits	$ 6,655
Pension Benefits
Benefit obligation
Discount rate	5.04%	2.23%	1.83%
Net pension and other postretirement cost
Discount rate	3.67%	2.08%	2.16%
Expected return on plan assets	4.68%	3.53%	4.34%
Other Benefits
Benefit obligation
Discount rate	5.16%	2.38%	1.80%
Net pension and other postretirement cost
Discount rate	2.38%	1.80%	2.77%