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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Summary of Weighted-Average Number of Shares Outstanding | Our weighted-average shares outstanding for the years ended December 31, 2023, 2022, and 2021 were as follows:
|  | Year Ended December 31, |
(in millions) |  | 2023 |  |  | 2022 |  |  | 2021 |
Weighted-average number of shares of common stock outstanding - basic |  |  | 95.3 |  |  |  | 95.3 |  |  |  | 95.5 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |
Stock options |  |  | — |  |  |  | — |  |  |  | 0.1 |
Restricted stock units |  |  | — |  |  |  | — |  |  |  | 1.5 |
Weighted-average shares and assumed conversions - diluted(1) |  |  | 95.3 |  |  |  | 95.3 |  |  |  | 97.1 |
(1) Due to the net loss during the twelve months ended December 31, 2023 and 2022, the denominator in the diluted earnings per share calculation does not include the effects of the stock awards for which the average market price for the period exceeds the exercised price, as it would result in a less dilutive computation. As a result, diluted earnings per share for the twelve months ended December 31, 2023 and 2022 are the same as basic earnings per share.

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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