Basis of Presentation (Details)	9 Months Ended
	Oct. 31, 2012 wireless_network_operator country
Minimum number of wireless and wireline network communication service provider customers	450
Minimum number of countries in which entity operates	125
Total numbers of largest wireless network operators	100
Distribution percentage of common shares in spin-off	100.00%
Sufficient cash available	12 months
Verint
Equity method investment, ownership percentage	40.60%
Voting power	51.50%
Subsidiaries percentage of equity interest in consolidated variable interest entity	50.00%