| Document and Entity Information | May 15, 2020 |
| Cover [Abstract] | |
| Entity Registrant Name | REGIS CORP |
| Amendment Flag | false |
| Entity Central Index Key | 0000716643 |
| Document Type | 8-K |
| Document Period End Date | May 15, 2020 |
| Entity Incorporation State Country Code | MN |
| Entity File Number | 1-12725 |
| Entity Tax Identification Number | 41-0749934 |
| Entity Address, Address Line One | 3701 Wayzata Boulevard |
| Entity Address, City or Town | Minneapolis |
| Entity Address, State or Province | MN |
| Entity Address, Postal Zip Code | 55416 |
| City Area Code | (952) |
| Local Phone Number | 947-7777 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par value $0.05 per share |
| Trading Symbol | RGS |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
