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Investments in Affiliates (Tables)
12 Months Ended
Jul. 31, 2012
Long-term Investments [Abstract]  
Disclosure Of Equity Method Investments In Affiliates
The Company held the following investments in equity method affiliates as of July 31, 2012:
 
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%