Retained Earnings (Tables)
 9 Months Ended
Apr. 30, 2012
Retained Earnings [Abstract]  
Schedule Of Change In Retained Earnings

Balance as of July 31, 2011

    $ 829,148   

Net income

      77,379   

Dividends paid

      (24,387 ) 
  

 

 

  

Balance as of April 30, 2012

    $ 882,140