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Commitments and Contingencies
 12 Months Ended
Dec. 28, 2019
Commitments and Contingencies Disclosure [Abstract]  
Commitments and Contingencies Commitments and Contingencies
Snap-on provides product warranties for specific product lines and accrues for estimated future warranty cost in the period in which the sale is recorded. Snap-on calculates its accrual requirements based on historic warranty loss experience that is periodically adjusted for recent actual experience, including the timing of claims during the warranty period and actual costs incurred. Snap-on’s product warranty accrual activity for 2019, 2018 and 2017 is as follows:

(Amounts in millions)201920182017
Warranty accrual:
Beginning of year$17.1  $17.2  $16.0  
Additions16.0  14.9  15.2  
Usage(15.8) (15.0) (14.0) 
End of year$17.3  $17.1  $17.2  

Approximately 2,650 employees, or 21% of Snap-on’s worldwide workforce, are represented by unions and/or covered under collective bargaining agreements. The number of covered union employees whose contracts expire over the next five years approximates 1,825 employees in 2020, 650 employees in 2021, and 175 employees in 2022; there are no contracts currently scheduled to expire in 2023 or 2024. In recent years, Snap-on has not experienced any significant work slowdowns, stoppages or other labor disruptions.
Snap-on is involved in various legal matters that are being litigated and/or settled in the ordinary course of business. Although it is not possible to predict the outcome of legal matters, management believes that the results of all legal matters will not have a material impact on Snap-on’s consolidated financial position, results of operations or cash flows.
The Consolidated Balance Sheet as of December 29, 2018, included an accrual of $30.9 million related to a judgment from the fourth quarter of 2017 for a patent-related litigation matter that was being appealed, which was subsequently settled in 2019. The company recognized an $11.6 million benefit in “Operating expenses” on the Consolidated Statements of Earnings in fiscal 2019 as a result of the settlement.