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Intangible Assets And Goodwill (Schedule Of Allocated Goodwill To Reportable Operating Segments) (Details) - USD ($)
$ in Thousands
Aug. 31, 2022
Aug. 31, 2021
Apr. 26, 2021
Goodwill [Line Items]      
Goodwill $ 31,220 $ 31,220  
Direct Offices [Member]      
Goodwill [Line Items]      
Goodwill 22,962 22,962  
International Licensees [Member]      
Goodwill [Line Items]      
Goodwill 5,928 5,928  
Education Practice [Member]      
Goodwill [Line Items]      
Goodwill $ 2,330 $ 2,330  
Strive [Member]      
Goodwill [Line Items]      
Goodwill     $ 7,000