v3.25.4
Document And Entity Information
 12 Months Ended
Jan. 31, 2026
shares
Document And Entity Information  
Document Type 40-F
Document Registration Statement false
Document Annual Report true
Document Period End Date Jan. 31, 2026
Entity File Number 000-29970
Entity Registrant Name DESCARTES SYSTEMS GROUP INC
Entity Incorporation, State or Country Code CA
Entity Address, Address Line One 120 Randall Drive
Entity Address, City or Town Waterloo
Entity Address, State or Province ON
Entity Address, Country CA
Entity Address, Postal Zip Code N2V 1C6
City Area Code 519
Local Phone Number 746-8110
Annual Information Form true
Audited Annual Financial Statements true
Entity Common Stock, Shares Outstanding (in shares) 86,024,747
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag true
Document Financial Statement Error Correction [Flag] false
Auditor Name KPMG LLP
Auditor Firm ID 85
Auditor Location Vaughan, ON, Canada
Entity Central Index Key 0001050140
Current Fiscal Year End Date --01-31
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2026
Amendment Flag false
Common shares  
Document And Entity Information  
Title of 12(b) Security Common Shares, no par value
Trading Symbol DGSX
Security Exchange Name NASDAQ
Rights to purchase Common Shares, no par value  
Document And Entity Information  
Title of 12(b) Security Rights to purchase Common Shares, no par value
No Trading Symbol Flag true
Security Exchange Name NASDAQ
Business Contact  
Document And Entity Information  
Contact Personnel Name Descartes Systems (USA) LLC
Entity Address, Address Line One Powers Ferry Business Park
Entity Address, Address Line Two 2030 Powers Ferry Road SE
Entity Address, Address Line Three Suite 350
Entity Address, City or Town Atlanta
Entity Address, State or Province GA
Entity Address, Postal Zip Code 30339-5066
City Area Code 678
Local Phone Number 247-0400