Document and Entity Information (USD $)	12 Months Ended
	Aug. 25, 2012	Oct. 09, 2012	Feb. 24, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	WINNEBAGO INDUSTRIES INC
Entity Central Index Key	0000107687
Current Fiscal Year End Date	--08-25
Entity Filer Category	Accelerated Filer
Document Type	10-K
Document Period End Date	Aug. 25, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		28,339,894
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 265,927,566