Contingent Liabilites and Commitments (Schedule of Repurchased Activity) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Feb. 25, 2017	Feb. 27, 2016	Feb. 25, 2017	Feb. 27, 2016
Commitments and Contingencies Disclosure [Abstract]
Inventory repurchased, dollars	$ 0	$ 0	$ 0	$ 0
Inventory resold, cash collected	22	0	22	36
Inventory resold, loss (gain) recognized	$ 6	$ 0	$ 6	$ (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