RESEARCH AND DEVELOPMENT, NET RESEARCH AND DEVELOPMENT, NET - CAPITALIZED SOFTWARE DEVELOPMENT COSTS (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2015
Movement in Capitalized Computer Software, Net [Roll Forward]
Capitalized software development costs, net - beginning of the period	$ 11,992	$ 10,112	$ 8,483
Software development costs capitalized during the year	2,338	5,027	6,083
Amortization of capitalized software development costs	(3,341)	(2,976)	(1,666)
Impairments, foreign currency translation and other	(1,480)	(171)	(2,788)
Capitalized software development costs, net - end of the period	9,509	11,992	10,112
Capitalized Computer Software, Impairments
Capitalized Computer Software, Impairments	$ 1,300	$ 0	$ 2,600

Additions made to capitalized computer software costs during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

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For each income statement presented, the amount charged to expense for write-downs of capitalized computer software costs to net realizable value.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128487-111756

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Foreign currency translation and other adjustments made to capitalized computer software costs during the period.

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