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Equity and Dividends (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended
Nov. 01, 2024
Feb. 16, 2024
Nov. 07, 2024
Aug. 31, 2024
Sep. 30, 2024
Sep. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Dividends Payable [Line Items]                      
Authorized repurchase amount   $ 160.0                  
Common stock, par value (in dollars per share)   $ 0.01     $ 0.01       $ 0.01   $ 0.01
Effective period of stock repurchase plan   1 year                  
Common stock repurchased (in shares)                 0    
Sale of stock, aggregate shares (in shares)       2,760,000         2,760,000    
Sale of stock, exercise price (in dollars per share)       $ 68.40 $ 67.88       $ 67.88    
Sale of stock, available shares (in shares)                 187,300,000    
At-the market shelf registration, equity offering sales agreement, aggregate sales price         $ 500.0       $ 500.0    
Issuance of common stock (in shares)                 0    
Dividends to common stockholders (in dollars per share)         $ 0.90 $ 0.90 $ 1.80 $ 1.80 $ 2.70 $ 2.70  
Subsequent Event                      
Dividends Payable [Line Items]                      
Sale of stock, additional purchase of shares (in shares)     1,800,000                
Sale of stock, consideration received     $ 122.4                
Dividends to common stockholders (in dollars per share) $ 0.90