Document and Entity Information - shares	6 Months Ended
	Jun. 27, 2015	Jul. 13, 2015
Document and Entity Information
Entity Registrant Name	WINMARK CORP
Entity Central Index Key	0000908315
Document Type	10-Q
Document Period End Date	Jun. 27, 2015
Amendment Flag	false
Current Fiscal Year End Date	--12-26
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		4,128,031
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2