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Stock-Based Compensation Plans (Tables) | 9 Months Ended
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Sep. 30, 2024
Share-Based Payment Arrangement, Noncash Expense [Abstract] |
Share-Based Payment Arrangement, Restricted Stock Unit, Activity |
Schedule of Stock Based Compensation Expense | Stock-based compensation expense consists of the following:
(In millions) |  | For the Three Months Ended September 30, |  | For the Nine Months Ended September 30,
|  | 2024 |  | 2023 |  | 2024 |  | 2023
Stock options |  | $ | 8.3 |  |  | $ | 8.0 |  |  | $ | 24.7 |  |  | $ | 25.1 |
Restricted stock units |  | 2.4 |  |  | 1.3 |  |  | 7.5 |  |  | 3.9 |
Total |  | $ | 10.7 |  |  | $ | 9.3 |  |  | $ | 32.2 |  |  | $ | 29.0 |
Schedule of Future Share-Based Compensation Cost | Based on the stock-based awards that are currently outstanding, we expect to recognize the future stock-based compensation expense as follows:
(in millions) |  |  |  |  |  |
Year |  | Total Projected Stock-Based Compensation Expense |  |  |  |
Remainder of 2024 |  | $ | 10.9 |  |  |  |  |
2025 |  | 13.5 |  |  |  |  |
2026 |  | 7.4 |  |  |  |  |
2027 |  | 1.1 |  |  |  |  |
2028 |  | — |  |  |  |  |
Total |  | $ | 32.9 |  |  |  |  |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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