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Network
1126 - Disclosure - Commitments and Contingencies - Summary of Product Warranty Accrual Activity (Detail)
(http://www.snapon.com/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfProductWarrantyAccrualActivity)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Commitments And Contingencies Disclosure [Abstract]Period [Axis]
2012-12-30 - 2013-12-28
2012-01-01 - 2012-12-29
2011-01-02 - 2011-12-31
Commitments And Contingencies Disclosure [Abstract]
 
 
 
Beginning of year
18,900,000  
18,600,000  
16,900,000  
Additions
9,300,000  
10,400,000  
15,300,000  
Usage
(11,200,000) 
(10,100,000) 
(13,600,000) 
End of year
17,000,000  
 
18,900,000  
 
18,600,000