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Contingent Liabilites and Commitments (Schedule of Repurchased Activity) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
May 27, 2017 | May 28, 2016 | May 27, 2017 | May 28, 2016
Commitments and Contingencies Disclosure [Abstract] |  |  |  |
Inventory repurchased, dollars | $ 408 | $ 445 | $ 408 | $ 445
Inventory resold, cash collected | 370 | 0 | 393 | 36
Inventory resold, loss (gain) recognized | $ 38 | $ 0 | $ 44 | $ (1)

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Definition Cash collected for resold repurchased inventory during the period. + References No definition available. + Details
Name: | wgo_CashCollectedForResoldRepurchasedUnits
Namespace Prefix: | wgo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Loss recognized on resold repurchased inventory during the period. + References No definition available. + Details
Name: | wgo_LossRecognizedOnResoldRepurchasedUnits
Namespace Prefix: | wgo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The value of inventory repurchased from dealers in the period. + References No definition available. + Details
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Namespace Prefix: | wgo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration