v3.25.4
Postretirement Plans - Schedule of Change in Projected Benefit Obligation and Plan Assets (Details) - U.S. Postretirement Health Care Plans - USD ($)
$ in Millions
12 Months Ended
Jan. 03, 2026
Dec. 28, 2024
Dec. 30, 2023
Change in projected benefit obligation:      
Benefit obligation at beginning of year $ 33.5 $ 35.8  
Interest cost 1.8 1.8 $ 1.9
Plan participant contributions 0.0 0.1  
Benefits paid (3.8) (3.6)  
Actuarial (gain) loss 1.0 (0.6)  
Benefit obligation at end of year 32.5 33.5 35.8
Change in plan assets:      
Fair value of plan assets at beginning of year 11.6 11.4  
Return on plan assets 1.6 1.0  
Employer contributions 3.0 2.7  
Plan participant contributions 0.0 0.1  
Benefits paid (3.8) (3.6)  
Fair value of plan assets at end of year 12.4 11.6 $ 11.4
Unfunded status at end of year $ (20.1) $ (21.9)