v3.25.4

Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Future Compensation | Future compensation amounts will be adjusted for any changes in estimated forfeitures:
($ in millions) |
Stock Awards | $ | 36.0 |
Stock options | 0.5 |
Total unrecognized compensation cost | $ | 36.5 |
Schedule of Stock Option Activity | The following summarizes option activity under the Stock Plan for the years ended December 31, 2025, 2024 and 2023 (in millions, except price per share and numbers of years):
| Options |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (years) |  | Aggregate Intrinsic Value
Outstanding as of December 31, 2022 | 3.3 |  |  | $ | 27.97 |  |  |  |  |
Granted | — |  |  | — |  |  |  |  |
Exercised | (0.5) |  |  | 21.01 |  |  |  |
Canceled/forfeited | (0.6) |  |  | 31.34 |  |  |  |
Outstanding as of December 31, 2023 | 2.2 |  |  | 28.87 |  |  |  |  |
Granted | 0.1 |  |  | 41.10 |  |  |  |  |
Exercised | (0.6) |  |  | 27.22 |  |  |  |  |
Canceled/forfeited | — |  |  | — |  |  |  |  |
Outstanding as of December 31, 2024 | 1.7 |  |  | 30.27 |  |  |  |  |
Granted | — |  |  | — |  |  |  |  |
Exercised | (0.4) |  |  | 26.20 |  |  |  |  |
Canceled/forfeited | — |  |  | — |  |  |  |  |
Outstanding as of December 31, 2025 | 1.3 |  |  | 31.38 |  |  | 3.8 |  | $ | 7.9 |
Vested and expected to vest as of December 31, 2025 | 1.3 |  |  | 31.37 |  |  | 3.8 |  | 7.9 |
Exercisable as of December 31, 2025 | 1.3 |  |  | $ | 31.00 |  |  | 3.6 |  | $ | 7.9 |
Options outstanding as of December 31, 2025 are summarized below (in millions; except price per share and numbers of years):
| Outstanding |  | Exercisable
Exercise Price | Number of Options |  | Average Exercise Price |  | Average Remaining Life (in years) |  | Number of Options |  | Average Exercise Price
$17.44 - $23.46 | 0.1 |  |  | $ | 23.11 |  |  | 1.6 |  | 0.1 |  |  | $ | 23.11 |
$23.47 - $31.46 | 0.9 |  |  | 31.21 |  |  | 3.7 |  | 0.9 |  |  | 31.21 |
$31.47 - $33.43 | 0.1 |  |  | 33.33 |  |  | 3.0 |  | 0.2 |  |  | 33.33 |
$33.44 - $41.10 | 0.2 |  |  | $ | 38.19 |  |  | 6.9 |  | 0.1 |  |  | $ | 36.76 |
Total shares | 1.3 |  |  |  |  |  |  | 1.3 |  |  |
Schedule of Weighted Average Assumptions | The fair value of each stock option granted was estimated on the date of grant using the Black-Scholes model for service condition awards with the following weighted average assumptions for the year ended December 31, 2024. There were no options granted during the years ended December 31, 2025 and 2023.
| 2024 |  |  |  |
Risk-free interest rate | 4.3 | % |  |  |  |
Volatility | 30.2 | % |  |  |  |
Dividend yield | 0.3 | % |  |  |  |
Expected years until exercise | 6.5 |  |  |  |
Schedule of Stock Award Activity | The following summarizes information related to Stock Award activity under the Stock Plan for the years ended December 31, 2025, 2024 and 2023 (in millions; except price per share):
| Number of Stock Awards |  | Weighted Average Grant-Date Fair Value
Unvested as of December 31, 2022 | 2.2 |  |  | $ | 27.39 |
Granted | 1.4 |  |  | 26.39 |
Vested | (0.9) |  |  | 27.56 |
Forfeited | (0.3) |  |  | 26.56 |
Unvested as of December 31, 2023 | 2.4 |  |  | 26.87 |
Granted | 1.0 |  |  | 41.34 |
Vested | (0.9) |  |  | 27.62 |
Forfeited | (0.4) |  |  | 31.81 |
Unvested as of December 31, 2024 | 2.1 |  |  | 32.37 |
Granted | 0.8 |  |  | 38.77 |
Vested | (0.8) |  |  | 30.77 |
Forfeited | (0.2) |  |  | 36.78 |
Unvested as of December 31, 2025 | 1.9 |  |  | $ | 36.34 |

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