BUSINESS COMBINATIONS, 2 (Details) (USD $) In Thousands, unless otherwise specified													12 Months Ended					12 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Jan. 31, 2013 Customer Relationships [Member]		Jan. 31, 2012 Customer Relationships [Member]		Jan. 31, 2013 Trade Name [Member]		Jan. 31, 2012 Trade Name [Member]		Jun. 06, 2012 DynaSys [Member]	Jan. 31, 2012 DynaSys [Member]	Jan. 31, 2013 DynaSys [Member] Software Technology [Member] Cost of License [Member]	Jan. 31, 2013 DynaSys [Member] Customer Relationships [Member] Amortization of intangibles from acquisitions [Member]	Jan. 31, 2013 DynaSys [Member] Trade Name [Member] Amortization of intangibles from acquisitions [Member]	Dec. 28, 2012 CEBOS [Member]	Jan. 31, 2013 CEBOS [Member] Software Technology [Member] Cost of License [Member]	Jan. 31, 2013 CEBOS [Member] Software Technology [Member] Minimum [Member] Cost of License [Member]	Jan. 31, 2013 CEBOS [Member] Software Technology [Member] Maximum [Member] Cost of License [Member]	Jan. 31, 2013 CEBOS [Member] Customer Relationships [Member] Amortization of intangibles from acquisitions [Member]	Jan. 31, 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	$ 3,581	$ 0	$ 3,049	[1]	$ 0	[1]	$ 532	[1]	$ 0	[1]			$ 1,800	$ 1,400	$ 300		$ 1,750			$ 1,500	$ 200
Other intangible assets											3,500	3,500				3,450
Estimated annual amortization	$ 716												$ 360	$ 280	$ 60			$ 310	$ 410	$ 280	$ 60

[1] Customer relationships and trade name include the impact of foreign currency translation.