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Investment In FC Organizational Products (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Mar. 02, 2013
Aug. 31, 2012
Investment In FC Organizational Products [Abstract]    
Percent interest in FC Organizational Products 19.50%  
Receivable from FCOP $ 4.6 $ 7.1
Discount rate on long-term receivable from FCOP 15.00%