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Net Income Per Share (Tables) | 3 Months Ended
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Mar. 31, 2025
Earnings Per Share [Abstract] |
Schedule of Reconciliation of Basic to Diluted Net Income Per Share | The following table reconciles the shares used in the calculation of basic net income per share to those used for diluted net income per share:
| Three Months Ended March 31, |  |
($ in millions) | 2025 |  | 2024 |  |  |  |
Net income | $ | 89.8 |  |  | $ | 115.3 |  |  |  |  |
Weighted average common shares outstanding | 72.5 |  |  | 73.5 |  |  |  |  |
Dilutive effect of equity awards, based on the treasury stock method | 0.5 |  |  | 0.8 |  |  |  |  |
Weighted average shares assuming dilution | 73.0 |  |  | 74.3 |  |  |  |  |
Schedule of Repurchase of Common Stock | The below table summarizes the details of the Company's repurchases of common stock under these programs:
| Three Months Ended March 31, |  |
| 2025 |  | 2024 |  |  |  |
Shares repurchased | 550,281 |  |  | 729,679 |  |  |  |  |
Total cost of repurchases ($ in millions) | $ | 133.5 |  |  | $ | 267.0 |  |  |  |  |
Average price per repurchased share | $ | 242.63 |  |  | $ | 365.87 |  |  |  |  |

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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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- Definition Schedule Of Common Stock Repurchases + References No definition available. + Details
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