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Stock-Based Compensation (Stock Appreciation Rights Outstanding and Exercisable) (Details) - Stock Appreciation Rights (SARs) [Member] - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition | 1 year 9 months |
Stock Appreciation Rights Outstanding, Shares | 189,600 | 203,700
Stock Appreciation Rights Exercisable, Shares | 153,100 |
$34.06 to $46.78 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Range of Exercise Prices per Share, upper range limit | $ 257.08 |
Stock Appreciation Rights Outstanding, Shares | 19,900 |
Stock Appreciation Rights Outstanding, Weighted-Average Remaining Contractual Term (in years) | 1 year |
Stock Appreciation Rights Outstanding, Aggregate Intrinsic Value | $ 4.6 |
Stock Appreciation Rights Exercisable, Shares | 19,900 |
Stock Appreciation Rights Exercisable, Weighted-Average Remaining Contractual Life (in years) | 1 year |
Stock Appreciation Rights Exercisable, Aggregate Intrinsic Value | $ 5.1 |
Range of Exercise Prices per Share, lower range limit | $ 214.63 |
$51.11 to $81.14 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Range of Exercise Prices per Share, upper range limit | $ 328.65 |
Stock Appreciation Rights Outstanding, Shares | 46,500 |
Stock Appreciation Rights Outstanding, Weighted-Average Remaining Contractual Term (in years) | 2 years 6 months 14 days |
Stock Appreciation Rights Outstanding, Aggregate Intrinsic Value | $ 8.4 |
Stock Appreciation Rights Exercisable, Shares | 46,500 |
Stock Appreciation Rights Exercisable, Weighted-Average Remaining Contractual Life (in years) | 2 years 6 months 14 days |
Stock Appreciation Rights Exercisable, Aggregate Intrinsic Value | $ 14.2 |
Range of Exercise Prices per Share, lower range limit | $ 278.00 |
$92.64 to $126.31 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Range of Exercise Prices per Share, upper range limit | $ 418.69 |
Stock Appreciation Rights Outstanding, Shares | 90,300 |
Stock Appreciation Rights Outstanding, Weighted-Average Remaining Contractual Term (in years) | 4 years 5 months 12 days |
Stock Appreciation Rights Outstanding, Aggregate Intrinsic Value | $ 14.6 |
Stock Appreciation Rights Exercisable, Shares | 76,800 |
Stock Appreciation Rights Exercisable, Weighted-Average Remaining Contractual Life (in years) | 4 years 3 months 29 days |
Stock Appreciation Rights Exercisable, Aggregate Intrinsic Value | $ 23.6 |
Range of Exercise Prices per Share, lower range limit | $ 259.56 |
Exercise Price Range 4 |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Range of Exercise Prices per Share, upper range limit | $ 576.28 |
Stock Appreciation Rights Outstanding, Shares | 32,900 |
Stock Appreciation Rights Outstanding, Weighted-Average Remaining Contractual Term (in years) | 6 years 1 month 6 days |
Stock Appreciation Rights Outstanding, Aggregate Intrinsic Value | $ 0.0 |
Stock Appreciation Rights Exercisable, Shares | 9,900 |
Stock Appreciation Rights Exercisable, Weighted-Average Remaining Contractual Life (in years) | 6 years 1 month 6 days |
Stock Appreciation Rights Exercisable, Aggregate Intrinsic Value | $ 5.7 |

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