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Fair Value Of Financial Instruments (Narrative) (Details) - USD ($)
$ in Thousands
Aug. 31, 2021
Aug. 31, 2020
Jul. 11, 2017
Contingent consideration $ 2,095 $ 3,883  
Jhana [Member]      
Contingent consideration 2,095 $ 3,067 $ 7,200
Jhana [Member] | Accrued Liabilities [Member]      
Contingent consideration 1,300    
Jhana [Member] | Other Long-Term Liabilities [Member]      
Contingent consideration $ 800