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Postretirement Health Care Plans (Tables)
3 Months Ended
Mar. 30, 2024
Postemployment Benefits [Abstract]  
Schedule of Net Periodic Postretirement Health Care Cost
Snap-on’s net periodic postretirement health care cost included the following components: 
Three Months Ended
(Amounts in millions)March 30, 2024April 1, 2023
Interest cost$0.5 $0.5 
Expected return on plan assets(0.2)(0.2)
Amortization of unrecognized gain(0.3)(0.3)
Net periodic postretirement health care cost$— $—