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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2025
Earnings Per Share [Abstract] |
Summary of Computation of Earnings Per Share | The computation of earnings per share for the three months ended March 31, 2025 and 2024 was as follows:
|  | Three Months Ended March 31, |
(in millions except per share data) |  | 2025 |  |  | 2024 |
Net loss |  | $ | (13.2 | ) |  | $ | (6.3 | )
Determination of shares: |  |  |  |  |  |
Weighted-average number of common shares outstanding |  |  | 93.3 |  |  |  | 95.7 |
Shares issuable on exercise of stock awards, net of shares assumed to be purchased out of proceeds at average market price |  |  | — |  |  |  | — |
Average common shares outstanding for fully diluted computation(1) |  |  | 93.3 |  |  |  | 95.7 |
Per share: |  |  |  |  |  |
Basic loss per share |  | $ | (0.14 | ) |  | $ | (0.07 | )
Diluted loss per share(1) |  | $ | (0.14 | ) |  | $ | (0.07 | )
Shares outstanding as of March 31, |  |  | 90.1 |  |  |  | 95.6 |
(1) Diluted by assumed exercise of stock-based compensation awards using the treasury stock method.

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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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