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Postretirement Health Care Plans (Tables)
9 Months Ended
Sep. 28, 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 EndedNine Months Ended
(Amounts in millions)September 28, 2024September 30, 2023September 28, 2024September 30, 2023
Interest cost$0.5 $0.4 $1.4 $1.5 
Expected return on plan assets(0.2)(0.1)(0.5)(0.5)
Amortization of unrecognized gain(0.3)(0.3)(0.9)(0.9)
Net periodic postretirement health care cost$— $— $— $0.1