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Stock Repurchase (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | May 31, 2023
Common stock authorized for repurchase, maximum | $ 250.0 |  |  | $ 250.0
Common stock remaining number of shares authorized to repurchase | 90.9 |  |  |
Stock repurchased (shares) | 10.6 |  |  |
Stock repurchased during period (value) | $ 289.1 |  |  |
Weighted average price per share of common stock (in dollars per share) | $ 27.30 |  |  |
Excise tax related to the stock repurchases as treasury stock | $ 2.9 |  |  |
Payment of income tax obligation on employee equity awards | 0.6 | $ 1.2 | $ 1.6 |
February 2019 Stock Repurchase Program |  |  |  |
Stock repurchased during period (value) | 130.0 |  |  |
May 2023 Stock Repurchase Program |  |  |  |
Stock repurchased during period (value) | $ 159.1 |  |  |

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