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Pension Plans
 9 Months Ended
Oct. 02, 2021
Retirement Benefits [Abstract]  
Pension Plans Pension Plans
Snap-on’s net periodic pension cost included the following components: 
Three Months EndedNine Months Ended
(Amounts in millions)October 2, 2021September 26, 2020October 2, 2021September 26, 2020
Service cost$7.3 $6.7 $21.7 $20.2 
Interest cost10.6 12.2 31.7 36.6 
Expected return on plan assets(23.6)(23.7)(70.7)(71.1)
Amortization of unrecognized loss9.0 8.7 27.2 25.9 
Net periodic pension cost$3.3 $3.9 $9.9 $11.6 
The components of net periodic pension 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.
Snap-on intends to make contributions of $9.2 million to its foreign pension plans and $2.2 million to its domestic pension plans in 2021, as required by law. Depending on market and other conditions, Snap-on may make discretionary cash contributions to its pension plans in 2021.