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Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares
12 Months Ended
Aug. 31, 2022
Aug. 31, 2021
Aug. 31, 2020
Statement of Stockholders' Equity [Abstract]      
Cash dividends per share paid (in dollars per share) $ 0.52 $ 0.52 $ 0.52