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Investment In FC Organizational Products (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Nov. 30, 2013
Aug. 31, 2013
Investment In FC Organizational Products [Abstract]    
Percent voting interest in FCOP 19.50%  
Receivable from FCOP $ 6.5 $ 7.8
Discount rate on long-term receivable from FCOP 15.00%