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Net Income (Loss) from Continuing Operations Per Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Schedule of computation of net income (loss) from continuing operations per share | The following table sets forth the computation of income (loss) from continuing operations per share (in millions except per share amounts):
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
Income (loss) from continuing operations | $ | (154.8) |  |  | $ | 28.6 |  |  | $ | (0.8) |
Series A Preferred Stock dividends | (44.4) |  |  | (43.8) |  |  | (41.1) |
(Income) loss from continuing operations attributable to participating securities | — |  |  | 3.6 |  |  | 9.0 |
Income (loss) from continuing operations attributable to common stockholders | $ | (199.2) |  |  | $ | (11.6) |  |  | $ | (32.9) |
Weighted average common shares outstanding | 109.1 |  |  | 116.3 |  |  | 123.0 |
Effect of dilutive stock options and restricted stock awards | — |  |  | — |  |  | — |
Weighted average common shares outstanding and potential common shares | 109.1 |  |  | 116.3 |  |  | 123.0 |
Income (loss) from continuing operations per share |  |  |  |  |
Basic | $ | (1.83) |  |  | $ | (0.10) |  |  | $ | (0.27) |
Diluted | $ | (1.83) |  |  | $ | (0.10) |  |  | $ | (0.27) |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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