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Document and Entity Information
Sep. 16, 2019
Cover [Abstract]  
Entity Registrant Name Snap-on Inc
Amendment Flag false
Entity Central Index Key 0000091440
Document Type 8-K
Document Period End Date Sep. 16, 2019
Entity Incorporation State Country Code DE
Entity File Number 1-7724
Entity Tax Identification Number 39-0622040
Entity Address, Address Line One 2801 80th Street
Entity Address, City or Town Kenosha
Entity Address, State or Province WI
Entity Address, Postal Zip Code 53143
City Area Code (262)
Local Phone Number 656-5200
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $1.00 par value
Trading Symbol SNA
Security Exchange Name NYSE
Entity Emerging Growth Company false