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Stock-Based Compensation Plans (Tables) | 6 Months Ended
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Jun. 30, 2026
Share-Based Payment Arrangement, Noncash Expense [Abstract] |
Share-Based Payment Arrangement, Restricted Stock Unit, Activity |
Restricted Stock Units |  | Number of Restricted Stock Units |  | Weighted Average Grant-Date Fair Value Per Share
Outstanding as of December 31, 2025 |  | 697,623 |  |  | $ | 443.27 |
Granted |  | 60,801 |  |  | 506.98
Settled |  | (43,267) |  |  | 487.41
Forfeited |  | (144,543) |  |  | 476.00
Outstanding as of June 30, 2026 |  | 570,614 |  |  | $ | 438.42 |
Schedule of Stock Based Compensation Expense | Stock-based compensation expense consists of the following:
(In millions) |  | For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
|  | 2026 |  | 2025 |  | 2026 |  | 2025
Restricted stock units |  | $ | 8.7 |  |  | $ | 11.3 |  |  | $ | 19.5 |  |  | $ | 21.9 |
Stock options |  | — |  |  | 1.4 |  |  | 0.5 |  |  | 3.7 |
Total |  | $ | 8.7 |  |  | $ | 12.7 |  |  | $ | 20.0 |  |  | $ | 25.6 |
Schedule of Future Share-Based Compensation Cost | Based on the stock-based awards that are currently outstanding, we expect to recognize future stock-based compensation expense as follows:
(In millions) |  |  |  |  |  |
Year |  | Total Projected Stock-Based Compensation Expense |  |  |  |
Remainder of 2026 |  | $ | 18.9 |  |  |  |  |
2027 |  | 32.3 |  |  |  |  |
2028 |  | 26.9 |  |  |  |  |
2029 |  | 21.9 |  |  |  |  |
2030 |  | 20.1 |  |  |  |  |
Thereafter |  | 79.9 |  |  |  |  |
Total |  | $ | 200.0 |  |  |  |  |

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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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