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Customer and Geographic Information (Tables)
9 Months Ended
Apr. 30, 2011
Customer and Geographic Information  
Schedule of Net Sales as a percentage, by Geography and Customer Type

 

 

Three months ended
April 30,

 

Nine months ended
April 30,

 

 

2011

 

2010

 

2011

 

2010

United States

 

 

 

 

 

 

 

 

  U.S. government

 

    49.0%

 

   72.5%

 

  63.0%

 

   68.2%

  Commercial customers

 

    10.8%

 

     5.5%

 

    8.0%

 

     6.2%

     Total United States

 

    59.8%

 

   78.0%

 

  71.0%

 

   74.4%

 

 

 

 

 

 

 

 

 

International

 

    40.2%

 

   22.0%

 

  29.0%

 

   25.6%