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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Jun. 30, 2021
Jun. 30, 2020
Equity    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common Class A    
Equity    
Common stock, par value (in dollars per share) $ 0.01  
Common stock, shares authorized 1,300,000,000 1,300,000,000
Common stock, shares issued 462,633,034 451,927,441
Common stock, shares outstanding 233,517,400 225,290,200
Treasury stock, shares 229,115,665 226,637,238
Common Class B    
Equity    
Common stock, par value (in dollars per share) $ 0.01  
Common stock, shares authorized 304,000,000 304,000,000
Common stock, shares issued 128,242,029 135,235,429
Common stock, shares outstanding 128,242,029 135,235,429