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Income Taxes (Benefit (Provision) For Income Taxes From Continuing Operations) (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2017
Aug. 31, 2016
Aug. 31, 2015
Income Taxes [Abstract]      
Current, Federal $ 69 $ (380) $ (220)
Current, State (71) (197) (208)
Current, Foreign (2,320) (2,553) (2,691)
Current (2,322) (3,130) (3,119)
Deferred, Federal (1,227) (1,584) (3,239)
Deferred, State (17) 70 (138)
Deferred, Foreign 468 50 200
Operating loss carryforward 6,964    
Valuation allowance (129) (301)  
Deferred 6,059 (1,765) (3,177)
Provision (benefit) for income taxes from continuing operations $ 3,737 $ (4,895) $ (6,296)