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Consolidated Balance Sheets (Parenthetical) - $ / shares
shares in Millions
Dec. 31, 2023
Dec. 31, 2022
Common stock, shares, outstanding 117.1 114.6
Preferred Stock [Member]    
Preferred stock, par or stated value per share $ 0.01 $ 0.01
Preferred stock, shares authorized 10.0 10.0
Preferred stock, shares outstanding 0.0 0.0
Series Common Stock [Member]    
Common stock, par or stated value per share $ 0.01 $ 0.01
Common stock, shares authorized 40.0 40.0
Common stock, shares, outstanding 0.0 0.0
Common Stock [Member]    
Common stock, par or stated value per share $ 0.01 $ 0.01
Common stock, shares authorized 150.0 150.0
Common stock, shares issued 127.4 123.3
Treasury Stock, Common, Shares 10.3 8.7