| Cover page Cover page | Dec. 20, 2019 |
| Cover page. | |
| Document Type | 8-K |
| Document Period End Date | Dec. 20, 2019 |
| Entity Registrant Name | Winnebago Industries, Inc. |
| Entity Incorporation, State or Country Code | IA |
| Entity File Number | 001-06403 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.50 par value per share |
| Trading Symbol | WGO |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
| Entity Central Index Key | 0000107687 |
