XML 70 R90.htm IDEA: XBRL DOCUMENT v3.20.1

Note 18 - Income Taxes - Income (Loss) Before Income Taxes Earned by Tax Jurisdictions (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 01, 2020	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Income (loss) from continuing operations	$ 48,035	$ 48,033	$ 39,510	$ 34,748
CANADA
Income (loss) from continuing operations	19,557		16,715	17,964
UNITED STATES
Income (loss) from continuing operations	19,962		11,077	6,203
Other Countries [Member]
Income (loss) from continuing operations	$ 8,516		$ 11,718	$ 10,581

X

- Definition

Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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

X

- Details

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

X

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=dsgx_OtherCountriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: