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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2023
Sep. 30, 2022
Preferred stock, par value per share $ 0.001 $ 0.001
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Treasury stock, shares 4,469,330 4,116,570
Common Class A [Member]    
Common stock, par value per share $ 0.001 $ 0.001
Common stock, shares authorized 1,100,000,000 1,100,000,000
Common stock, shares issued 155,303,433 155,157,220
Common Class B [Member]    
Common stock, par value per share $ 0.001 $ 0.001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 100 100
Common stock, shares outstanding 100 100