Document and Entity Information - shares	9 Months Ended
	May 27, 2017	Jun. 22, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	WINNEBAGO INDUSTRIES INC
Entity Central Index Key	0000107687
Current Fiscal Year End Date	--08-26
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	May 27, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		31,587,651