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Pension Plans - (Tables)
3 Months Ended
Apr. 01, 2023
Retirement Benefits [Abstract]  
Schedule of Net Periodic Pension Benefit
Snap-on’s net periodic pension benefit included the following components: 
Three Months Ended
(Amounts in millions)April 1, 2023April 2, 2022
Service cost$4.9 $7.1 
Interest cost16.3 11.1 
Expected return on plan assets(26.2)(24.5)
Amortization of unrecognized loss0.3 4.5 
Net periodic pension benefit$(4.7)$(1.8)