Document and Entity Information
| Document and Entity Information | Sep. 18, 2024 |
| Cover [Abstract] | |
| Document Type | 6-K |
| Amendment Flag | false |
| Document Period End Date | Jun. 12, 2024 |
| Current Fiscal Year End Date | --01-31 |
| Entity File Number | 000-29970 |
| Entity Registrant Name | DESCARTES SYSTEMS GROUP INC |
| Entity Central Index Key | 0001050140 |
| Entity Address, Address Line One | 120 RANDALL DRIVE |
| Entity Address, City or Town | WATERLOO, ONTARIO, CANADA |
| Entity Address, Postal Zip Code | N2V 1C6 |