BUSINESS COMBINATIONS, 2 (Details) (USD $) In Thousands, unless otherwise specified															3 Months Ended
	Oct. 31, 2013	Jan. 31, 2013	Oct. 31, 2013 Customer Relationships [Member]		Jan. 31, 2013 Customer Relationships [Member]		Oct. 31, 2013 Trade Name [Member]	Jan. 31, 2013 Trade Name [Member]	Jun. 06, 2012 DynaSys [Member] Software Technology [Member]	Jun. 06, 2012 DynaSys [Member] Customer Relationships [Member]	Jun. 06, 2012 DynaSys [Member] Trade Name [Member]	Oct. 31, 2013 CEBOS [Member]	Dec. 28, 2012 CEBOS [Member]	Oct. 31, 2013 CEBOS [Member] Software Technology [Member]	Oct. 31, 2013 CEBOS [Member] Software Technology [Member] Minimum [Member]	Oct. 31, 2013 CEBOS [Member] Software Technology [Member] Maximum [Member]	Oct. 31, 2013 CEBOS [Member] Customer Relationships [Member]	Oct. 31, 2013 CEBOS [Member] Trade Name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life															2 years	5 years	5 years	5 years
Fair value	$ 3,584	$ 3,581	$ 3,069	[1]	$ 3,049	[1]	$ 515	$ 532				$ 3,450		$ 1,750			$ 1,500	$ 200
Other intangible assets									1,800	1,400	300		3,450
Estimated annual amortization															$ 320	$ 395	$ 300	$ 40

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