Contingent Liabilites and Commitments (Schedule of Repurchased Activity) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Feb. 27, 2016	Feb. 28, 2015	Feb. 27, 2016	Feb. 28, 2015
Commitments and Contingencies Disclosure [Abstract]
Inventory repurchased, dollars	$ 0	$ 0	$ 0	$ 7,156
Inventory resold, cash collected	0	6,102	36	6,140
Inventory resold, loss (gain) recognized	$ 0	$ 1,022	$ (1)	$ 1,033

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