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Employee Benefits - Plan Assumptions (Details)
12 Months Ended
Dec. 30, 2023
Dec. 31, 2022
Assumptions - benefit obligations:    
Discount rate 1.35% 1.61%
Rate of compensation increase 1.04% 0.96%
Assumptions - net periodic benefit costs:    
Discount rate 1.91% 0.49%
Rate of compensation increase 1.43% 0.09%
Expected long-term return on plan assets 3.53% 1.70%
Interest credit rate 1.98% 2.34%