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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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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

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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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

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-Name Accounting Standards Codification
-Topic 350
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-Paragraph 1
-Subparagraph (f)
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