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Net Income Per Share (Tables) | 9 Months Ended
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Sep. 30, 2024
Earnings Per Share [Abstract] |
Schedule of Denominators for The Computation of Basic and Diluted Earnings Per Share | The following table sets forth the calculation of basic and diluted net income per share:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2024 |  | 2023 |  | 2024 |  | 2023
| (In millions, except net income per share)
Numerator: |  |  |  |  |  |  |
Net income | $ | 326 |  |  | $ | 245 |  |  | $ | 928 |  |  | $ | 875 |
Denominator: |  |  |  |  |  |  |
Shares outstanding at the beginning of the period | 58.1 |  |  | 57.8 |  |  | 57.8 |  |  | 57.4 |
Weighted-average number of shares issued: |  |  |  |  |  |  |
Stock-based compensation | — |  |  | — |  |  | 0.2 |  |  | 0.3 |
Stock purchases | (0.5) |  |  | — |  |  | (0.2) |  |  | — |
Denominator for basic net income per share | 57.6 |  |  | 57.8 |  |  | 57.8 |  |  | 57.7 |
Effect of dilutive securities: (1) |  |  |  |  |  |  |
Stock-based compensation | 0.1 |  |  | 0.3 |  |  | 0.3 |  |  | 0.4 |
Denominator for diluted net income per share | 57.7 |  |  | 58.1 |  |  | 58.1 |  |  | 58.1 |
Net income per share - Basic (2) | $ | 5.67 |  |  | $ | 4.24 |  |  | $ | 16.05 |  |  | $ | 15.18 |
Net income per share - Diluted (2) | $ | 5.65 |  |  | $ | 4.21 |  |  | $ | 15.97 |  |  | $ | 15.08 |
______________________________ (1) The dilutive effect of all potentially dilutive common shares is calculated using the treasury stock method. Certain potentially dilutive common shares issuable are not included in the computation of diluted net income per share because to do so would be anti-dilutive. For the three and nine months ended September 30, 2024, 196,000 shares and 102,000 shares, respectively, were excluded from diluted shares outstanding. (2) Source data for calculations in thousands.

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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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