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Stockholders' Equity (Details) - USD ($) shares in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Apr. 29, 2021 | Feb. 11, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Increase (decrease) in authorization amount |  |  |  | $ 211,400,000
Treasury stock, acquired (in shares) | 8.4 | 2.6 |  |
Payments for repurchase of common stock | $ 299,800,000 | $ 187,500,000 |  |
Value of treasury stock acquired | 299,800,000 | 187,500,000 |  |
Performance-based Restricted Stock Units |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Value of treasury stock acquired | 13,300,000 | $ 11,800,000 |  |
February 2016 Program |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Remaining shares under share repurchase authorization | $ 113,200,000 |  |  |
February 2016 Program | Subsequent Event |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Authorized amount of stock to be repurchased |  |  | $ 400,000,000.0 |

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