| Document and Entity Information | May 16, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 16, 2023 |
| Entity Registrant Name | AGILYSYS, INC. |
| Entity Central Index Key | 0000078749 |
| Entity Emerging Growth Company | false |
| Entity File Number | 000-5734 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 34-0907152 |
| Entity Address, Address Line One | 1000 Windward Concourse |
| Entity Address, Address Line Two | Suite 250 |
| Entity Address, City or Town | Alpharetta |
| Entity Address, State or Province | GA |
| Entity Address, Postal Zip Code | 30005 |
| City Area Code | 770 |
| Local Phone Number | 810-7800 |
| Entity Information, Former Legal or Registered Name | Not Applicable |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, without par value |
| Trading Symbol | AGYS |
| Security Exchange Name | NASDAQ |
