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

X
- Details
Name: | us-gaap_ConcentrationRiskLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the number of customers that individually account for 10 percent or more of the defined benchmark. + References No definition available. + Details
Name: | wina_ConcentrationRiskNumberOfCustomers
Namespace Prefix: | wina_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration