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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2024
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share Reconciliation | A reconciliation of share amounts used to compute earnings per share in the accompanying Consolidated Statements of Income was as follows (in millions, except per share amounts):
| Three Months Ended March 31, |
| 2024 |  | 2023 |
Net income available for common stock | $ | 127.9 |  | $ | 114.1 |
Weighted average shares - basic |  | 68.2 |  |  | 66.0 |
Dilutive effect of equity compensation |  | 0.1 |  |  | 0.1 |
Weighted average shares - diluted |  | 68.3 |  |  | 66.1 |
Net income available for common stock, per share - Diluted | $ | 1.87 |  | $ | 1.73 |
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share | The following securities were excluded from the diluted earnings per share computation because of their anti-dilutive nature (in millions of shares):
| Three Months Ended March 31, |
| 2024 |  | 2023 |
Equity compensation |  | 0.1 |  |  | 0.1 |
Restricted stock |  | - |  |  | - |
Anti-dilutive shares excluded from computation of earnings per share |  | 0.1 |  |  | 0.1 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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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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