XML 13 R1.htm IDEA: XBRL DOCUMENT v3.3.1.900
Document and Entity Information - shares
3 Months Ended
Apr. 02, 2016
Apr. 15, 2016
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Apr. 02, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1  
Trading Symbol SNA  
Entity Registrant Name SNAP-ON Inc  
Entity Central Index Key 0000091440  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   58,146,364