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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Schedule of Weighted Average Number of Shares | Our weighted-average shares outstanding for the years ended December 31, 2022, 2021 and 2020 were as follows:
(in millions) |  | 2022 |  |  | 2021 |  |  | 2020 |
Weighted-average number of shares of common stock outstanding - basic |  |  | 95.3 |  |  |  | 95.5 |  |  |  | 94.9 |
Stock options |  |  | — |  |  |  | 0.1 |  |  |  | 0.1 |
Restricted stock units |  |  | — |  |  |  | 1.5 |  |  |  | 1.1 |
Weighted-average shares and assumed conversions - diluted (1) |  |  | 95.3 |  |  |  | 97.1 |  |  |  | 96.1 |
(1) Due to the net loss during the twelve months ended December 31, 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, 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 -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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