| Cover | Oct. 27, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Oct. 27, 2021 |
| Entity Registrant Name | Hawkins, Inc. |
| Entity Incorporation, State or Country Code | MN |
| Entity File Number | 0-7647 |
| Entity Tax Identification Number | 41-0771293 |
| Entity Address, Address Line One | 2381 Rosegate, |
| Entity Address, City or Town | Roseville, |
| Entity Address, State or Province | MN |
| Entity Address, Postal Zip Code | 55113 |
| City Area Code | 612 |
| Local Phone Number | 331-6910 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $.01 per share |
| Trading Symbol | HWKN |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000046250 |
| Amendment Flag | false |
