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Note 10 - Goodwill (Details) - Goodwill - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2016 | Jan. 31, 2015
Condensed Cash Flow Statements, Captions [Line Items] |  |
Goodwill | $ 147,440 | $ 111,179
Adjustments on account of foreign exchange | (4,467) | (9,236)
Goodwill | 217,486 | 147,440
KSD [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Goodwill |  | 13,824
Goodwill Acquired During Period |  | 714
Computer Management [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Goodwill | 1,338 |
Goodwill Acquired During Period |  | 1,338
Goodwill |  | 1,338
Customs Info [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Goodwill | 26,135 |
Goodwill Acquired During Period |  | 26,135
Goodwill |  | 26,135
Airclic [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Goodwill | 12,480 |
Goodwill Acquired During Period | 810 | 11,670
Goodwill |  | 12,480
e-customs [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Goodwill | 4,581 |
Goodwill Acquired During Period |  | 4,581
Goodwill |  | 4,581
Pentant [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Goodwill | 1,059 |
Goodwill Acquired During Period |  | 1,059
Goodwill |  | $ 1,059
MK Data [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Goodwill Acquired During Period | 51,108 |
Goodwill | 51,108 |
BearWare [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Goodwill Acquired During Period | 4,958 |
Goodwill | 4,958 |
Oz [Member] |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |
Goodwill Acquired During Period | 17,637 |
Goodwill | $ 17,637 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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