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Long-Term Debt (Tables)
12 Months Ended
Jul. 31, 2011
Debt Disclosure [Abstract] 
Future annual payments
Years Ending July 31,
     Term Loan
2012
              $ 50,139   
2013
                 50,000   
2014
                 50,000   
2015
                 50,000   
2016
                 175,000   
 
               $ 375,139