XML 109 R93.htm IDEA: XBRL DOCUMENT v3.3.1.900

Note 20 - Segmented Information (Details) - Long-lived Assets by Geographical Location - USD ($) $ in Thousands	Jan. 31, 2016	Jan. 31, 2015
Total long-lived assets
Geograhical long-lived assets	$ 142,166	$ 122,955
UNITED STATES
Total long-lived assets
Geograhical long-lived assets	49,192	59,041
EMEA [Member]
Total long-lived assets
Geograhical long-lived assets	44,963	57,711
CANADA
Total long-lived assets
Geograhical long-lived assets	$ 48,011	$ 6,203

X

- References

No definition available.

+ Details

Name:	dsgx_TotalLongLivedAssetsAbstract
Namespace Prefix:	dsgx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599

+ Details

Name:	us-gaap_NoncurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=us-gaap_EMEAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=country_CA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: