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Share-Based Compensation Plans - Narrative (Details) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | May 24, 2023
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |
Share-based compensation | $ 12.0 | $ 12.0 | $ 37.0 | $ 43.0 |
Proceeds from exercise of employee stock options |  |  | 11.0 | $ 66.0 |
Commons tock available for future awards (in shares) |  |  |  |  | 4.7
Total intrinsic value of options exercised |  |  | 11.0 |  |
Stock options |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |
Unamortized compensation expense | 10.0 |  | $ 10.0 |  |
Weighted average period |  |  | 2 years |  |
Restricted stock units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |
Unamortized compensation expense | 40.0 |  | $ 40.0 |  |
Weighted average period |  |  | 1 year 10 months 24 days |  |
Performance share units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |
Unamortized compensation expense | $ 18.0 |  | $ 18.0 |  |
Weighted average period |  |  | 1 year 10 months 24 days |  |
Performance share unit awarded percent | 100.00% |  | 100.00% |  |
Term of adjusted ROIC performance target | 3 years |  | 3 years |  |
Term of adjusted EBITDA performance target | 3 years |  | 3 years |  |
Term of Revenue performance target | 3 years |  | 3 years |  |
Term of EPS performance target | 3 years |  | 3 years |  |

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- Definition Amount of cost to be recognized for option under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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