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Income Taxes (Income From Continuing Operations Before Income Taxes) (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2016
Aug. 31, 2015
Aug. 31, 2014
Income Taxes [Abstract]      
United States $ 9,328 $ 15,073 $ 19,256
Foreign 2,583 2,339 2,503
Income before income taxes $ 11,911 $ 17,412 $ 21,759