Document and Entity Information	3 Months Ended
	Apr. 04, 2015	Apr. 17, 2015
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Apr. 04, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Trading Symbol	SNA
Entity Registrant Name	SNAP-ON Inc
Entity Central Index Key	0000091440
Current Fiscal Year End Date	--01-02
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		58,093,809