Retirement Plans Assumptions to Determine Benefit Obligations at Period-end and Net Pension Costs (Details)	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Pension Benefits
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Benefit obligation, discount rate	5.15%	5.50%	3.00%
Benefit obligation, annual compensation increase	2.96%	2.96%	2.96%
Net cost, discount rate	5.50%	3.00%	2.80%
Net cost, expected return on plan assets	6.50%	4.75%	5.00%
Net cost, annual compensation increase	2.96%	2.96%	2.96%
Other Postretirement Plans
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Benefit obligation, discount rate	5.20%	5.50%	3.00%
Net cost, discount rate	5.50%	3.00%	2.80%