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Segment Information (Schedule Of Disaggregation Revenue By Geographic Region) (Details) - USD ($)
$ in Thousands
12 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2019
Disaggregation of Revenue [Line Items]      
Revenue $ 224,168 $ 198,456 $ 225,356
Americas [Member]      
Disaggregation of Revenue [Line Items]      
Revenue 182,954 160,989 173,784
Asia Pacific [Member]      
Disaggregation of Revenue [Line Items]      
Revenue 28,621 25,622 37,115
Europe/Middle East/Africa [Member]      
Disaggregation of Revenue [Line Items]      
Revenue $ 12,593 $ 11,845 $ 14,457