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Fair Value Of Financial Instruments (Schedule Of Contingent Consideration Liability) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Feb. 28, 2023
Nov. 30, 2022
Feb. 28, 2022
Feb. 28, 2023
Feb. 28, 2022
Business Acquisition, Contingent Consideration [Line Items]          
Change in fair value     $ 20 $ 7 $ 48
Jhana [Member]          
Business Acquisition, Contingent Consideration [Line Items]          
Balance at beginning   $ 729   729  
Change in fair value $ 7        
Payments (307) $ (429)      
Balance at ending $ 307     $ 307