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Retirement Plans (Schedule Of Amounts Recognized In The Statement Of Financial Position) (Details) (USD $)
In Thousands, unless otherwise specified
Aug. 31, 2014
Aug. 31, 2013
Aug. 31, 2012
Retirement Plans [Abstract]      
Other current liabilities $ 557 $ 557  
Pension benefit liabilities 6,600 6,324  
Net amount recognized $ 7,157 $ 6,881 $ 7,378