Pension Benefits - Schedule of Assumptions Used (Details) - Pension Plan	12 Months Ended
	Dec. 26, 2021	Dec. 27, 2020	Dec. 29, 2019
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Calculation term, market-related value (in years)	3 years
Qualified Plan
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	2.94%	2.64%
Rate of increase in compensation levels	3.00%	3.00%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate for determining projected benefit obligation	2.64%	3.30%	4.43%
Discount rate in effect for determining service cost	3.87%	3.67%	3.87%
Discount rate in effect for determining interest cost	2.02%	2.70%	4.06%
Rate of increase in compensation levels	3.00%	3.00%	3.00%
Expected long-term rate of return on assets	3.74%	4.59%	5.68%
Nonqualified Plan
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	2.81%	2.39%
Rate of increase in compensation levels	2.50%	2.50%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate for determining projected benefit obligation	2.39%	3.17%	4.35%
Discount rate in effect for determining interest cost	1.74%	2.78%	3.94%
Rate of increase in compensation levels	2.50%	2.50%	2.50%