Subsequent Event	9 Months Ended
Sep. 26, 2020
Subsequent Events [Abstract]
Subsequent Event	Subsequent EventOn September 28, 2020, subsequent to the end of the third quarter, Snap-on acquired substantially all of the assets of AutoCrib, Inc. (“AutoCrib”) for a cash purchase price of approximately $36.0 million. AutoCrib, based in Tustin, California, designs, manufactures and markets tool and asset control solutions for a variety of aerospace, automotive, military, natural resources and general industry operations. For segment reporting purposes, the results of operations and assets of AutoCrib will be included in the Commercial & Industrial Group beginning on the acquisition date.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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