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Investments In Affiliates (Tables)
12 Months Ended
Jul. 31, 2011
Investments In Affiliates  
Disclosure Of Equity Method Investments In Affiliates
Equity Method Affiliates   

Ownership

Interest

Slifer, Smith, and Frampton/Vail Associates Real Estate, LLC ("SSF/VARE")

   50%

KRED

   50%

Clinton Ditch and Reservoir Company

   43%