Investment in Leasing Operations: (Details 2) (Total assets, Customer one concentration risk for leased assets)	3 Months Ended
Mar. 30, 2013 customer
Total assets \| Customer one concentration risk for leased assets
Investment in leasing operations
Number of customers	0

Represents the number of customers that individually account for 10 percent or more of the defined benchmark.

No definition available.

Name:	wina_ConcentrationRiskNumberOfCustomers
Namespace Prefix:	wina_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration