v3.26.1
Income Taxes - Additional information (Details)
3 Months Ended
6 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Income Taxes
Percentage of income before income taxes
27.00%
23.20%
26.40%
23.80%
X
- Definition
Income tax expense expressed as a percentage of income before taxes.
+ References
No definition available.
+ Details
Name:
dsgx_IncomeBeforeTaxesPercent
Namespace Prefix:
dsgx_
Data Type:
dtr-types:percentItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration