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Postretirement Health Care Plans
3 Months Ended
Mar. 28, 2020
Postemployment Benefits [Abstract]  
Postretirement Health Care Plans Postretirement Health Care Plans
Snap-on’s net periodic postretirement health care cost included the following components: 
Three Months Ended
(Amounts in millions)March 28, 2020March 30, 2019
Interest cost$0.4  $0.5  
Expected return on plan assets(0.2) (0.2) 
Amortization of unrecognized gain—  (0.2) 
Net periodic postretirement health care cost$0.2  $0.1  

The components of net periodic postretirement health care cost, other than the service cost component, are included in “Other income (expense) - net” on the accompanying Condensed Consolidated Statements of Earnings. See Note 17 for additional information on other income (expense) - net.