XML 23 R17.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Document and Entity Information
6 Months Ended
Jun. 25, 2011
Jul. 19, 2011
Document and Entity Information    
Entity Registrant Name WINMARK CORP  
Entity Central Index Key 0000908315  
Document Type 10-Q  
Document Period End Date Jun. 25, 2011
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   4,971,456
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q2