| Document and Entity Information Document | Aug. 15, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Aug. 15, 2024 |
| Entity Registrant Name | LIFECORE BIOMEDICAL, INC. |
| Entity Central Index Key | 0001005286 |
| Current Fiscal Year End Date | --05-26 |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 000-27446 |
| Entity Tax Identification Number | 94-3025618 |
| Entity Address, Address Line One | 3515 Lyman Boulevard |
| Entity Address, City or Town | Chaska, |
| Entity Address, State or Province | MN |
| Entity Address, Postal Zip Code | 55318 |
| City Area Code | 952 |
| Local Phone Number | 368-4300 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | LFCR |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
