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Subsequent Events: (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended
	Apr. 14, 2015
Tender Offer
Subsequent Events
Number of shares available for repurchase as part of tender offer	875,000wina_SharesAvailableToBeRepurchasedAsPartOfTenderOffer / us-gaap_SubsequentEventTypeAxis = wina_TenderOfferMember
Proposed maximum line of credit as part of tender offer	$ 60.0wina_ProposedMaximumLineOfCredit / us-gaap_SubsequentEventTypeAxis = wina_TenderOfferMember
Purchase of stock, Price per Share	$ 84.72wina_PurchaseOfStockPricePerShare / us-gaap_SubsequentEventTypeAxis = wina_TenderOfferMember
Leverage ratio amendment term	2 years
Debt instrument term from the effective date of the amendment	4 years
Amount of term note available borrowing upon tender offer effective date	$ 30wina_AmountOfTermNoteAvailableBorrowingUponTenderOfferEffectiveDate / us-gaap_SubsequentEventTypeAxis = wina_TenderOfferMember
LIBOR
Subsequent Events
Additional Libor Period One	6 months
Additional Libor Period Two	12 months

X

- Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the amount of the term note avaiable borrowing upon tender offer effective date.

+ References

No definition available.

+ Details

Name:	wina_AmountOfTermNoteAvailableBorrowingUponTenderOfferEffectiveDate
Namespace Prefix:	wina_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents the debt instrument term from the effective date of the amendment as part of the tender offer.

+ References

No definition available.

+ Details

Name:	wina_DebtInstrumentTermFromEffectiveDateOfAmendment
Namespace Prefix:	wina_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the leverage ratio amendment term as part of the tender offer.

+ References

No definition available.

+ Details

Name:	wina_LeverageRatioAmendmentTerm
Namespace Prefix:	wina_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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- Definition

Represent Libor period one.

+ References

No definition available.

+ Details

Name:	wina_LiborPeriodOne
Namespace Prefix:	wina_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Libor Period Two.

+ References

No definition available.

+ Details

Name:	wina_LiborPeriodTwo
Namespace Prefix:	wina_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the proposed maximum line of credit under the tender offer.

+ References

No definition available.

+ Details

Name:	wina_ProposedMaximumLineOfCredit
Namespace Prefix:	wina_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents the price per share purchase price of stock.

+ References

No definition available.

+ Details

Name:	wina_PurchaseOfStockPricePerShare
Namespace Prefix:	wina_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

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- Definition

Repreents the shares available for repurchase as part of tender offer.

+ References

No definition available.

+ Details

Name:	wina_SharesAvailableToBeRepurchasedAsPartOfTenderOffer
Namespace Prefix:	wina_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=wina_DebtInstrumentVariableRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=wina_TenderOfferMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: