| Cover | Feb. 02, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 2, 2021 |
| Entity File Number | 000-03905 |
| Entity Registrant Name | Transcat, Inc |
| Entity Central Index Key | 0000099302 |
| Entity Tax Identification Number | 16-0874418 |
| Entity Incorporation, State or Country Code | OH |
| Entity Address, Address Line One | 35 Vantage Point Drive |
| Entity Address, City or Town | Rochester |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 14624 |
| City Area Code | 585 |
| Local Phone Number | 352-7777 |
| 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 |
| Trading Symbol | TRNS |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
