XML 53 R33.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Equipment, Furniture and Fixture (Tables)
9 Months Ended
Jul. 31, 2011
Equipment, Furniture and Fixtures [Abstract]  
Equipment, furniture and fixtures
                 
    October 31,     July 31,  
    2010     2011  
Equipment, furniture and fixtures
  $ 360,908     $ 398,332  
Leasehold improvements
    49,595       54,289  
 
           
 
    410,503       452,621  
Accumulated depreciation and amortization
    (290,209 )     (326,447 )
 
           
 
  $ 120,294     $ 126,174