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Commitments and Contingencies - (Tables)
9 Months Ended
Oct. 02, 2021
Commitments and Contingencies Disclosure [Abstract]  
Summary of Product Warranty Accrual Activity
Snap-on’s product warranty accrual activity for the three and nine months ended October 2, 2021, and September 26, 2020, is as follows:

Three Months EndedNine Months Ended
(Amounts in millions)October 2, 2021September 26, 2020October 2, 2021September 26, 2020
Warranty reserve:
Beginning of period$18.5 $17.2 $17.6 $17.3 
Additions3.1 4.6 11.0 10.6 
Usage(3.7)(4.5)(10.7)(10.6)
End of period$17.9 $17.3 $17.9 $17.3