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Pension and Other Post-retirement Benefits Schedule of Allocation of Plan Assets (Details) - USD ($) | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | $ 503,900,000 | $ 469,900,000 | $ 471,200,000
Defined Benefit Plan, Equity Securities [Member] | Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
2025 | 41.00% |  |
Defined Benefit Plan, Equity Securities [Member] | Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
2025 | 47.00% |  |
Pension Benefits |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | $ 503,900,000 | 469,900,000 | $ 471,200,000
Pension Benefits | Defined Benefit Plan, Equity Securities, US, Large Cap [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | 0 | 93,300,000 |
Pension Benefits | Defined Benefit Plan, Equity Securities, US, Small Cap [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | 0 | 24,600,000 |
Pension Benefits | Defined Benefit Plan, Equity Securities, Non-US, All Cap [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | 0 | 42,700,000 |
Pension Benefits | Defined Benefit Plan, Equity Securities, Non-US Small Cap [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | 0 | 18,900,000 |
Pension Benefits | Emerging markets |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | 0 | 34,100,000 |
Pension Benefits | Employee Benefit Plan, Real Estate [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | $ 36,500,000 | 36,500,000 |
Pension Benefits | Employee Benefit Plan, Real Estate [Member] | Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
2025 | 4.00% |  |
Pension Benefits | Employee Benefit Plan, Real Estate [Member] | Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
2025 | 8.00% |  |
Pension Benefits | Defined Benefit Plan, Fixed Income Securities [Member] | Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
2025 | 45.00% |  |
Pension Benefits | Defined Benefit Plan, Fixed Income Securities [Member] | Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
2025 | 55.00% |  |
Pension Benefits | Defined Benefit Plan, Cash and Cash Equivalents [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | $ 5,000,000.0 | 6,200,000 |
Pension Benefits | Defined Benefit Plan, Cash and Cash Equivalents [Member] | Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan, Plan Assets Target Allocation | 0 |  |
Pension Benefits | Defined Benefit Plan, Cash and Cash Equivalents [Member] | Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan, Plan Assets Target Allocation | 5.0 |  |
Pension Benefits | Defined Benefit Plan, Aggregate Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | 160,200,000 | 102,800,000 |
Pension Benefits | Defined Benefit Plans, Aggregate Securities, Core Plus [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | 52,900,000 | 76,700,000 |
Pension Benefits | Defined Benefit Plan Equity Securities Global Low |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | 0 | 34,100,000 |
Pension Benefits | Defined Benefit Plan, Equity Securities, Global Equity Fund |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | 217,300,000 | 0 |
Pension Benefits | Defined Benefit Plan, Aggregate Securities, Government Bonds |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan Assets | $ 32,000,000.0 | $ 0 |

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