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Employee Benefits - Defined Benefit Plans (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 30, 2023
Dec. 31, 2022
Plan Assets    
Fair value of plan assets at beginning of year $ 22.2 $ 21.7
Realized net gains (losses) on plan assets 1.1 (2.5)
Employer contributions 0.4 1.5
Participant contributions 0.6 0.5
Benefits paid 0.8 2.8
Other (2.0) (1.8)
Fair value of plan assets at end of year 23.1 22.2
Projected Benefit Obligation    
Projected benefit obligation at beginning of year 32.3 32.3
Service cost 1.2 1.1
Interest cost 0.5 0.1
Participant contributions 0.6 0.5
Actuarial gains (losses) 2.3 1.9
Benefits paid (0.5) 2.0
Other (3.8) (1.8)
Projected benefit obligation at end of year   32.3
Funded status $ (9.5) $ (10.1)