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Net Income Per Share (Tables) | 6 Months Ended
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Jun. 30, 2023
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 June 30, |  | Six Months Ended June 30,
(in millions) | 2023 |  | 2022 |  | 2023 |  | 2022
Net income | $ | 155.1 |  |  | $ | 188.5 |  |  | $ | 295.1 |  |  | $ | 362.3 |
Weighted average common shares outstanding | 74.3 |  |  | 74.4 |  |  | 74.4 |  |  | 74.4 |
Dilutive effect of equity awards, based on the treasury stock method | 1.1 |  |  | 1.4 |  |  | 1.1 |  |  | 1.5 |
Weighted average shares assuming dilution | 75.4 |  |  | 75.8 |  |  | 75.5 |  |  | 75.9 |

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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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