DEFERRED REVENUES (Details) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2014	Jan. 31, 2013
Deferred Revenue Arrangement [Line Items]
Deferred revenues, current	$ 104,160	$ 101,193
Deferred revenues, non-current (in "Other liabilities")	606	600
Total deferred revenues	104,766	101,793
Deferred Maintenance Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred revenues, current	87,288	85,823
Deferred License Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred revenues, current	3,967	6,837
Deferred Subscription Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred revenues, current	7,590	5,456
Deferred Services Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred revenues, current	5,261	2,960
Deferred Other Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred revenues, current	$ 54	$ 117