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Stockholders' Equity (Details) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Treasury stock, acquired (in shares) | 1.0 | 4.1 | 17.6 | 14.1
Payments for repurchase of common stock | $ 25.0 | $ 190.0 | $ 591.2 | $ 551.4
Value of treasury stock acquired | 25.0 | 190.0 | 591.2 | 551.4
Performance-based Restricted Stock Units |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Value of treasury stock acquired | 0.2 | $ 0.3 | 46.0 | $ 14.4
February 2016 Program |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Remaining shares under share repurchase authorization | $ 809.5 |  | $ 809.5 |

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