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Earnings Per Share Attributable to Common Stockholders (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Schedule of earnings per share |
Year ended December 31, |  | 2023 |  | 2022 |  | 2021
Net income available to common stockholders |  | $ | 174.9 |  |  | $ | 319.7 |  |  | $ | 151.9 |
Denominator: |  |  |  |  |  |
Basic weighted average share outstanding |  | 166,963,575 |  | 110,781,282 |  | 110,315,782
Effect of dilutive securities: |  |  |  |  |  |
Share units |  | 689,290 |  | 516,144 |  | 388,083
Stock options and ESPP |  | 551,116 |  | 588,599 |  | 702,965
Diluted average shares outstanding |  | 168,203,981 |  | 111,886,025 |  | 111,406,830
Net income per share attributable to common shares: |  |  |  |  |  |
Basic |  | $ | 1.05 |  |  | $ | 2.89 |  |  | $ | 1.38 |
Diluted |  | $ | 1.04 |  |  | $ | 2.86 |  |  | $ | 1.36 |

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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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