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Fair Value Of Financial Instruments (Schedule Of Contingent Consideration Liability) (Details) - USD ($)
$ in Thousands
3 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Business Acquisition, Contingent Consideration [Line Items]    
Change in fair value $ 28 $ 62
Jhana [Member]    
Business Acquisition, Contingent Consideration [Line Items]    
Contingent Liability at beginning 2,095  
Change in fair value 28  
Payments (368)  
Contingent Liability at ending $ 1,755