Pension Benefits - Schedule of Assumptions Used (Details)	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Calculation term, market-related value	3 years
Qualified Plans [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate used to calculate benefit obligation	4.90%	4.00%
Estimated increase in compensation level used to calculate benefit obligation	2.55%	3.00%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate used to calculate net periodic benefit cost	4.00%	5.05%	5.60%
Estimated increase in compensation level use to calculate net periodic benefit cost	3.50%	3.00%	4.00%
Expected long-term rate of return on assets	7.85%	8.00%	8.25%
Non-Qualified Plans [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate used to calculate benefit obligation	4.60%	3.70%
Estimated increase in compensation level used to calculate benefit obligation	2.50%	3.50%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate used to calculate net periodic benefit cost	3.70%	4.80%	5.45%
Estimated increase in compensation level use to calculate net periodic benefit cost	3.00%	3.50%	3.50%