XML 116 R102.htm IDEA: XBRL DOCUMENT v3.22.4
Retirement Plans Assumptions to Determine Benefit Obligations at Period-end and Net Pension Costs (Details)
12 Months Ended
Dec. 31, 2022
Jan. 01, 2022
Jan. 02, 2021
Pension Benefits      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Benefit obligation, discount rate 5.50% 3.00% 2.80%
Benefit obligation, annual compensation increase 2.96% 2.96% 2.96%
Net cost, discount rate 3.00% 2.80% 3.50%
Net cost, expected return on plan assets 4.75% 5.00% 6.00%
Net cost, annual compensation increase 2.96% 2.96% 3.60%
Other Postretirement Plans      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Benefit obligation, discount rate 5.50% 3.00% 2.80%
Net cost, discount rate 3.00% 2.80% 3.50%