Other Postretirement Benefits - Schedule of Assumptions Used (Details) - Other Postretirement Benefit Plans	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rate	2.94%	4.18%
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	4.18%	3.46%	3.93%
Discount rate in effect for determining service cost	4.19%	3.56%	4.08%
Discount rate in effect for determining interest cost	3.71%	3.01%	3.21%
Estimated increase in compensation level	3.50%	3.50%	3.50%