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)

Cash collected for resold repurchased inventory during the period.

No definition available.

Name:	wgo_CashCollectedForResoldRepurchasedUnits
Namespace Prefix:	wgo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration