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Stockholders' Equity (Details) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Treasury stock, acquired (in shares) |  | 4.4 | 0.1 | 16.6
Value of treasury stock acquired |  | $ 117.0 | $ 5.0 | $ 566.2
Performance-based Restricted Stock Units |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Value of treasury stock acquired | $ 0.3 | $ 0.2 | 31.0 | $ 45.8
February 2016 Program |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Remaining shares under share repurchase authorization | $ 774.5 |  | $ 774.5 |

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