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Stock Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Changes in Option Shares | Changes in options, all of which relate to the Company’s Common Stock, were as follows:
Years Ended December 31 | 2025 |  | 2024 |  | 2023
| Number of Options |  | Weighted Avg. Per Share Exercise Price |  | Number of Options |  | Weighted Avg. Per Share Exercise Price |  | Number of Options |  | Weighted Avg. Per Share Exercise Price
Number of shares under options: |  |  |  |  |  |  |  |  |  |  |
Outstanding at beginning of year | 1,395,841 |  |  | $ | 55.07 |  |  | 1,872,553 |  |  | $ | 52.93 |  |  | 2,481,606 |  |  | $ | 51.22 |
Exercised(1) | (83,712) |  |  | 39.60 |  |  | (473,452) |  |  | 46.46 |  |  | (600,344) |  |  | 45.68 |
Forfeited | (15,300) |  |  | 53.00 |  |  | (3,260) |  |  | 74.27 |  |  | (8,709) |  |  | 66.96 |
Outstanding at end of year(2) | 1,296,829 |  |  | 56.10 |  |  | 1,395,841 |  |  | 55.07 |  |  | 1,872,553 |  |  | 52.93 |
Exercisable at end of year(3) | 1,296,829 |  |  | 56.10 |  |  | 1,295,061 |  |  | 53.59 |  |  | 1,549,749 |  |  | 49.51 |
(1)The total intrinsic value of options exercised in 2025, 2024 and 2023 was $2.0 million, $18.0 million and $15.0 million, respectively. (2)The weighted average remaining contractual life of options outstanding was 5 years at December 31, 2025, 6 years at December 31, 2024 and 7 years at December 31, 2023, respectively. The aggregate intrinsic value of options outstanding at December 31, 2025 was $16.0 million. (3)The weighted average remaining contractual life of options exercisable was 5 years at December 31, 2025, and 6 years at December 31, 2024 and December 31, 2023, respectively. The aggregate intrinsic value of options exercisable at December 31, 2025 was $16.0 million.
Schedule of Stock Unit Activity |
| Number of Options |  | Weighted Avg. Per Share Exercise Price
Nonvested options at beginning of year | 100,780 |  |  | $ | 74.10 |
Vested | (100,780) |  |  | 74.10 |
Nonvested options at end of year | — |  |  | — |
A summary of stock unit activity under the Incentive Plan is as follows:
| Number of Units |  | Weighted-Average Grant Date Value
Issued and unvested at January 1, 2025 | 74,398 |  |  | $ | 75.40 |
Granted | 38,435 |  |  | 65.68 |
Forfeited | (3,131) |  |  | 70.78 |
Issued and unvested at December 31, 2025 | 109,702 |  |  | 72.12 |
Schedule of Share Unit Activity Under Plan | A summary of share unit activity under the Incentive Plan is as follows:
| Number of Units |  | Weighted-Average Grant Date Value
Issued and unvested at January 1, 2025 | 469,269 |  |  | $ | 71.50 |
Granted | 269,545 |  |  | 66.28 |
Vested | (87,790) |  |  | 72.78 |
Forfeited | (19,717) |  |  | 70.21 |
Issued and unvested at December 31, 2025 | 631,307 |  |  | 68.92 |

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