| Cover Page Cover Page | Feb. 02, 2023 |
| Cover Page [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Feb. 02, 2023 |
| Entity Registrant Name | THE L.S. STARRETT COMPANY |
| Entity Incorporation, State or Country Code | MA |
| Entity File Number | 1-367 |
| Entity Tax Identification Number | 04-1866480 |
| Entity Address, Address Line One | 121 CRESCENT STREET |
| Entity Address, City or Town | ATHOL |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 1331 |
| City Area Code | 978 |
| Local Phone Number | 249-3551 |
| 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 | SCX |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000093676 |
| Amendment Flag | false |
