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Note 20 - Segmented Information - Long-lived Assets by Geographical Location (Details) - USD ($) $ in Thousands | Jan. 31, 2018 | Jan. 31, 2017
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Geograhical long-lived assets | $ 190,799 | $ 155,892
UNITED STATES |  |
Geograhical long-lived assets | 108,077 | 71,805
EMEA [Member] |  |
Geograhical long-lived assets | 37,857 | 40,872
CANADA |  |
Geograhical long-lived assets | $ 44,865 | $ 43,215

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- 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=68060357&loc=d3e9038-108599 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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