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Contingent Liabilites and Commitments (Schedule of Repurchased Activity) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Nov. 26, 2016 | Nov. 28, 2015
Commitments and Contingencies Disclosure [Abstract] |  |
Inventory repurchased, dollars | $ 0 | $ 0
Inventory resold, cash collected | 0 | 36
Inventory resold, loss (gain) recognized | $ 0 | $ (1)

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Period Type: | duration

X
- 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

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