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Basis Of Presentation And Summary Of Significant Accounting Policies (Shipping And Handling Costs) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Aug. 31, 2013
Aug. 31, 2012
Aug. 31, 2011
Basis Of Presentation And Summary Of Significant Accounting Policies [Abstract]      
Shipping, Handling and Transportation Costs $ 15.7 $ 15.4 $ 15.0