Other Postretirement Benefits - Schedule of Assumptions Used (Details) - Other Postretirement Benefit Plans	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 26, 2021
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	5.16%	5.55%
Rate of increase in compensation levels	3.50%	3.50%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate for determining projected benefit obligation	5.55%	2.55%	2.01%
Discount rate in effect for determining service cost	5.55%	2.58%	2.09%
Discount rate in effect for determining interest cost	5.26%	1.91%	1.38%
Estimated increase in compensation level	3.50%	3.50%	3.50%