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Segment Information (Long-Lived Assets By Country) (Details) - USD ($)
$ in Thousands
Aug. 31, 2016
Aug. 31, 2015
Segment Reporting Information [Line Items]    
Long-Lived Assets $ 29,796 $ 30,306
United States/Canada [Member]    
Segment Reporting Information [Line Items]    
Long-Lived Assets 27,288 28,770
Japan [Member]    
Segment Reporting Information [Line Items]    
Long-Lived Assets 2,045 1,227
United Kingdom [Member]    
Segment Reporting Information [Line Items]    
Long-Lived Assets 114 101
Australia [Member]    
Segment Reporting Information [Line Items]    
Long-Lived Assets $ 349 $ 208