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Investment in Leasing Operations: (Details 3) (USD $)
Mar. 28, 2015
Dec. 27, 2014
Direct Financing and Sales-Type Leases, Minimum Lease Payments Receivable    
2015 $ 18,635,700us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableRemainderOfFiscalYear  
2016 14,869,000us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears  
2017 6,318,300us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears  
2018 164,900us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInFourYears  
2019 2,000us-gaap_CapitalLeasesFutureMinimumPaymentsReceivableInFiveYears  
Total 39,989,900us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable 40,739,900us-gaap_CapitalLeasesFutureMinimumPaymentsReceivable
Direct Financing and Sales-Type Leases, Income Amortization    
2015 3,279,800wina_CapitalLeasesFutureAmortizationNetInvestmentInDirectFinancingAndSalesTypeLeasesUnearnedLeaseIncomeNetOfInitialDirectCostsDeferredRemainderOfFiscalYear  
2016 1,788,500wina_CapitalLeasesFutureAmortizationNetInvestmentInDirectFinancingAndSalesTypeLeasesUnearnedLeaseIncomeNetOfInitialDirectCostsDeferredInTwoYears  
2017 333,800wina_CapitalLeasesFutureAmortizationOfNetInvestmentInDirectFinancingAndSalesTypeLeasesUnearnedLeaseIncomeNetOfInitialDirectCostsDeferredInThreeYears  
2018 3,000wina_CapitalLeasesFutureAmortizationOfNetInvestmentInDirectFinancingAndSalesTypeLeasesUnearnedLeaseIncomeNetOfInitialDirectCostsDeferredInFourYears  
Total 5,405,100wina_CapitalLeasesFutureAmortizationOfUnearnedLeaseIncome  
Operating Leases, Minimum Lease Payments Receivable    
2015 41,200us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableRemainderOfFiscalYear  
Total $ 41,200us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable