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Credit Facility (Details) - Revolving Credit Facility [Member] - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Aug. 27, 2016 | Oct. 31, 2012
Line of Credit Facility [Line Items] |  |
Maximum borrowing capacity |  | $ 35.0
Maximum borrowing capacity with no financial covenant restrictions |  | 5.0
Additional borrowing capacity |  | $ 50.0
Unused line fee | 0.50% |
Basis spread on variable interest rate | 2.00% |
Repurchased stock restriction | $ 15.0 |

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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Line of Credit Facility, Additional Borrowing Capacity + References No definition available. + Details
Name: | wgo_LineOfCreditFacilityAdditionalBorrowingCapacity
Namespace Prefix: | wgo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Line of Credit Facility, Minimum Excess Borrowing Availability With No Financial Covenant Restrictions + References No definition available. + Details
Name: | wgo_LineOfCreditFacilityMinimumExcessBorrowingAvailabilityWithNoFinancialCovenantRestrictions
Namespace Prefix: | wgo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Line of Credit Facility Maximum Amount of Repurchased Company Stock Restrictions + References No definition available. + Details
Name: | wgo_LineofCreditFacilityMaximumAmountofRepurchasedCompanyStockRestrictions
Namespace Prefix: | wgo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |