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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 |

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