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Fair Value Measurements (Details) (Tomsten, USD $) | Mar. 30, 2013 | Dec. 29, 2012
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Fair value measurements |  |
Fair value of investment based on inputs using a discounted cash flow model | $ 0 | $ 0
Level 3 |  |
Fair value measurements |  |
Fair value of investment based on inputs using a discounted cash flow model | $ 0 |

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

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- Definition Represents the current carrying value of the investment. + References No definition available. + Details
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Namespace Prefix: | wina_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant