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Income Taxes (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2016
Aug. 31, 2015
Income Taxes [Abstract]    
Deferred Tax Assets, Valuation Allowance $ 2,825 $ 2,949
Undistributed earnings of foreign subsidiaries 34,600  
Unrecognized tax benefits that would impact effective tax rate 1,300 1,500
Accrued interest and penalties $ 800 $ 1,200