BUSINESS COMBINATIONS, 2 (Details) (USD $) In Thousands, unless otherwise specified											3 Months Ended						3 Months Ended
	Apr. 30, 2013	Jan. 31, 2013	Apr. 30, 2013 Customer Relationships [Member]		Jan. 31, 2013 Customer Relationships [Member]		Apr. 30, 2013 Trade Name [Member]	Jan. 31, 2013 Trade Name [Member]	Apr. 30, 2013 DynaSys [Member]	Jun. 06, 2012 DynaSys [Member]	Apr. 30, 2013 DynaSys [Member] Software Technology [Member] Cost of License [Member]	Apr. 30, 2013 DynaSys [Member] Customer Relationships [Member] Amortization of intangibles from acquisitions [Member]	Apr. 30, 2013 DynaSys [Member] Trade Name [Member] Amortization of intangibles from acquisitions [Member]	Apr. 30, 2013 CEBOS [Member]	Dec. 28, 2012 CEBOS [Member]	Apr. 30, 2013 CEBOS [Member] Software Technology [Member] Cost of License [Member]	Apr. 30, 2013 CEBOS [Member] Software Technology [Member] Minimum [Member] Cost of License [Member]	Apr. 30, 2013 CEBOS [Member] Software Technology [Member] Maximum [Member] Cost of License [Member]	Apr. 30, 2013 CEBOS [Member] Customer Relationships [Member] Amortization of intangibles from acquisitions [Member]	Apr. 30, 2013 CEBOS [Member] Trade Name [Member] Amortization of intangibles from acquisitions [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life											5 years	5 years	5 years				2 years	5 years	5 years	5 years
Fair value	$ 3,528	$ 3,581	$ 2,996	[1]	$ 3,049	[1]	$ 532	$ 532			$ 1,800	$ 1,400	$ 300			$ 1,750			$ 1,500	$ 200
Other intangible assets									3,500	3,500				3,450	3,450
Estimated annual amortization											$ 360	$ 280	$ 60				$ 320	$ 395	$ 300	$ 40

[1] Customer relationships include the impact of foreign currency translation