XML 31 R43.htm IDEA: XBRL DOCUMENT v2.4.0.6
Goodwill - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2013
Jul. 31, 2012
Goodwill [Line Items]    
Goodwill $ 3,058 $ 3,058
E-Business reporting unit
   
Goodwill [Line Items]    
Goodwill $ 3,100