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Cover Page - USD ($)
 12 Months Ended
Aug. 28, 2021
Oct. 15, 2021
Feb. 27, 2021
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Aug. 28, 2021    
Current Fiscal Year End Date --08-28    
Document Transition Report false    
Entity File Number 001-06403    
Entity Registrant Name WINNEBAGO INDUSTRIES, INC.    
Entity Incorporation, State or Country Code IA    
Entity Tax Identification Number 42-0802678    
Entity Address, Address Line One P.O. Box 152,    
Entity Address, City or Town Forest City,    
Entity Address, State or Province IA    
Entity Address, Postal Zip Code 50436    
City Area Code 641    
Local Phone Number 585‑3535    
Title of each class Common Stock, $0.50 par value per share    
Trading Symbol(s) WGO    
Name of each exchange on which registered NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 2,253,260,000
Entity Common Stock, Shares Outstanding   33,460,085  
Documents Incorporated by Reference Portions of the definitive Proxy Statement to be filed with the Securities and Exchange Commission within 120 days after the end of the fiscal year covered by this report for the registrant's 2021 Annual Meeting of Shareholders to be held on December 14, 2021 (the "2021 Proxy Statement") are incorporated by reference into Part III of this Annual Report on Form 10-K    
Entity Central Index Key 0000107687    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Amendment Flag false