XML 66 R54.htm IDEA: XBRL DOCUMENT
v3.20.1

Note 3 - Acquisitions - Preliminary Purchase Price Allocation for Businesses Acquired (Details) (Parentheticals) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2020 | Jan. 31, 2019 | Jan. 31, 2018
Visual Compliance [Member] |  |  |
Cash acquired | $ 170 |  |
Core Transport Technologies NZ Limited [Member] |  |  |
Cash acquired | 213 |  |
STEPcom [Member] |  |  |
Cash acquired | 2,700 |  |
BestTransport [Member] |  |  |
Cash acquired | $ 507 |  |
Aljex Software, Inc. [Member] |  |  |
Cash acquired |  | $ 193 |
Velocity Mail [Member] |  |  |
Cash acquired |  |  |
PinPoint [Member] |  |  |
Cash acquired |  | $ 769 |
ShipRush [Member] |  |  |
Cash acquired |  |  | $ 253
PCSTrac, Inc. [Member] |  |  |
Cash acquired |  |  |
MacroPoint LLC [Member] |  |  |
Cash acquired |  |  | $ 2,098

X
- Definition The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
Name: | us-gaap_CashAcquiredFromAcquisition
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dsgx_VisualComplianceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dsgx_CoreTransportTechnologiesNzLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dsgx_StepcomMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dsgx_BesttransportMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dsgx_AljexSoftwareIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dsgx_VelocityMailMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dsgx_PinPointMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dsgx_ShipRushMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dsgx_PCSTracIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=dsgx_MacroPointLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |