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Stockholders’ Equity (Tables) | 3 Months Ended
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Mar. 31, 2026
Stockholders' Equity Note [Abstract] |
Schedule of Components of Basic and Diluted Earnings (Loss) Per Common Share | The components of basic and diluted earnings per common share comprised the following (in millions, except per share amounts):
|  |  | Three Months Ended March 31,
|  |  |  |  | 2026 |  | 2025
Numerator: |  |  |  |  |  |  |
Net income |  |  |  |  | $ | 274.9 |  |  | $ | 322.2 |
Denominator: |  |  |  |  |  |  |
Weighted average outstanding shares — basic |  |  |  |  | 43.5 |  |  | 44.9 |
Effect of dilutive securities(1): |  |  |  |  |  |  |
Stock options, RSUs, and ESPP(2) |  |  |  |  | 3.7 |  |  | 3.7 |
Weighted average shares — diluted(2) |  |  |  |  | 47.2 |  |  | 48.6 |
Net income per common share: |  |  |  |  |  |  |
Basic |  |  |  |  | $ | 6.32 |  |  | $ | 7.18 |
Diluted |  |  |  |  | $ | 5.82 |  |  | $ | 6.63 |
Stock options and RSUs excluded from calculation(2) |  |  |  |  | 0.1 |  |  | 0.1 |
(1)Calculated using the treasury stock method. (2)The common shares underlying certain stock options and RSUs have been excluded from the computation of diluted earnings per share because their impact would be anti-dilutive.

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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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