DEFERRED REVENUES (Details) (USD $)	12 Months Ended
Jan. 31, 2015	Jan. 31, 2014
Deferred Revenue Arrangement [Line Items]
Deferred revenues, current	$ 102,721,000us-gaap_DeferredRevenueCurrent	$ 104,160,000us-gaap_DeferredRevenueCurrent
Deferred revenues, non-current (in "Other liabilities")	2,361,000us-gaap_DeferredRevenueNoncurrent	606,000us-gaap_DeferredRevenueNoncurrent
Total deferred revenues	105,082,000us-gaap_DeferredRevenue	104,766,000us-gaap_DeferredRevenue
Exchange rate deferred maintenance revenue	5,800,000
Deferred Maintenance Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred revenues, current	86,381,000	87,288,000
Deferred Subscription Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred revenues, current	11,563,000	7,590,000
Deferred Services Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred revenues, current	2,813,000	5,261,000
Deferred License Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred revenues, current	1,890,000	3,967,000
Deferred Other Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred revenues, current	$ 74,000	$ 54,000

The change in deferred maintenance revenue when calculated on a constant currency basis.

No definition available.

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- Definition

Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

-Section A

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 13.A.4(a).Q1 Response)

-URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780

+ Details

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- Definition

The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 13.A.4(a).Q1)

-URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 8

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

-Section A

+ Details

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- Definition

The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

+ Details

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- Details

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- Details

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- Details

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- Details

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