Pension Benefits - Schedule of Assumptions Used (Details) - Pension Plan [Member]	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 25, 2016
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Calculation term, market-related value	3 years
Nonqualified Plan [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	4.35%	3.67%
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	3.67%	4.17%	4.40%
Discount rate in effect for determining interest cost	3.14%	3.39%	3.44%
Rate of increase in compensation levels	2.50%	2.50%	2.50%
Qualified Plan [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	4.43%	3.75%
Rate of increase in compensation levels	3.00%	2.95%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate for determining projected benefit obligation	3.75%	4.31%	4.60%
Discount rate in effect for determining service cost	3.88%	4.74%	5.78%
Discount rate in effect for determining interest cost	3.31%	3.54%	3.68%
Rate of increase in compensation levels	2.95%	2.95%	2.91%
Expected long-term rate of return on assets	5.69%	6.73%	7.01%