| Cover | Sep. 30, 2021 | Apr. 26, 2021 |
| Cover [Abstract] | ||
| Document Type | 8-K | |
| Amendment Flag | false | |
| Document Period End Date | Sep. 30, 2021 | |
| Entity Registrant Name | Welbilt, Inc. | |
| Entity Central Index Key | 0001650962 | |
| Entity Incorporation, State or Country Code | DE | |
| Entity File Number | 1-37548 | |
| Entity Tax Identification Number | 47-4625716 | |
| Entity Address, Address Line One | 2227 Welbilt Boulevard | |
| Entity Address, City or Town | New Port Richey | |
| Entity Address, State or Province | FL | |
| Entity Address, Postal Zip Code | 34655 | |
| City Area Code | 727 | |
| Local Phone Number | 375-7010 | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Title of 12(b) Security | Common stock, $0.01 par value | |
| Trading Symbol | WBT | |
| Security Exchange Name | NYSE | |
| Entity Emerging Growth Company | false |
