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Shareholders' Equity (Details) - USD ($)
shares in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Apr. 26, 2021
Class of Stock [Line Items]          
Dividends $ 36,166,000 $ 32,446,000 $ 110,305,000 $ 97,501,000  
Payments for repurchase of common stock     $ 614,303,000 $ 95,676,000  
Increase in share repurchase authorization         $ 1,000,000,000
Share repurchase plan          
Class of Stock [Line Items]          
Share repurchases (shares)     12.0 2.8  
Payments for repurchase of common stock     $ 614,300,000 $ 95,700,000  
Remaining value of stock repurchase programs authorization $ 740,600,000   740,600,000    
Shares withheld to pay taxes          
Class of Stock [Line Items]          
Payments for repurchase of common stock     $ 10,600,000 $ 14,900,000