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Commitments and Contingencies (Tables)
12 Months Ended
Jan. 02, 2021
Commitments and Contingencies Disclosure [Abstract]  
Summary of Product Warranty Accrual Activity Snap-on’s product warranty accrual activity for 2020, 2019 and 2018 is as follows:
(Amounts in millions)202020192018
Warranty accrual:
Beginning of year$17.3 $17.1 $17.2 
Additions13.9 16.0 14.9 
Usage(13.6)(15.8)(15.0)
End of year$17.6 $17.3 $17.1