| Document and Entity Information | Dec. 10, 2019 |
| Cover [Abstract] | |
| Entity Registrant Name | TECH DATA CORP |
| Entity Address, State or Province | FL |
| Amendment Flag | false |
| Entity Central Index Key | 0000790703 |
| Document Type | 8-K |
| Document Period End Date | Dec. 10, 2019 |
| Entity Incorporation State Country Code | FL |
| Entity File Number | 0-14625 |
| Entity Tax Identification Number | 59-1578329 |
| Entity Address, Address Line One | 5350 Tech Data Drive |
| Entity Address, City or Town | Clearwater |
| Entity Address, Postal Zip Code | 33760 |
| City Area Code | 727 |
| Local Phone Number | 539-7429 |
| Written Communications | false |
| Soliciting Material | true |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common stock, par value $.0015 per share |
| Trading Symbol | TECD |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
