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Commitments and Contingencies - (Tables)
3 Months Ended
Mar. 28, 2020
Commitments and Contingencies Disclosure [Abstract]  
Summary of Product Warranty Accrual Activity
Snap-on’s product warranty accrual activity for the three months ended March 28, 2020, and March 30, 2019, is as follows:
Three Months Ended
(Amounts in millions)March 28, 2020March 30, 2019
Warranty reserve:
Beginning of period$17.3  $17.1  
Additions3.7  4.0  
Usage(3.8) (3.8) 
End of period$17.2  $17.3