XML 55 R38.htm IDEA: XBRL DOCUMENT v3.21.2
Basis Of Presentation And Summary Of Significant Accounting Policies (Goodwill) (Narrative) (Details) - USD ($)
12 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2019
Basis Of Presentation And Summary Of Significant Accounting Policies [Abstract]      
Impairment of goodwill $ 0 $ 0 $ 0