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Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($)
12 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Aug. 31, 2020
Goodwill And Other Intangible Assets [Abstract]      
Impairment of goodwill $ 0 $ 0 $ 0
Impairment charges $ 0 $ 0 $ 0