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Pension and Other Postretirement Benefits Pension Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items] |  |  |
Net benefit liabilities | $ 71.2 | $ 111.6 |
Net projected benefit obligations, current | $ 2.9 | $ 5.1 |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets | 6.44% | 6.88% | 7.10%
Liability, Defined Benefit Plan, Noncurrent | $ 68.3 | $ 106.5 |
Employer contributions | 16.0 | 20.9 |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 29.4 | 31.6 | $ 31.4
Defined Benefit Plan, Plan Assets, Amount | 503.9 | 469.9 | 471.2
Interest cost | $ 31.0 | $ 29.8 | 31.2
Savings Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 6.00% | 5.00% |
Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets | 6.62% |  |
Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets |  | 6.44% |
Pension Plan [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Net benefit liabilities | $ 61.1 | $ 101.4 |
Net projected benefit obligations, current | 2.0 | 4.1 |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | 19.2 |  |
Liability, Defined Benefit Plan, Noncurrent | 59.1 | 97.3 |
Employer contributions | 16.0 | 20.9 |
Defined Benefit Plan, Plan Assets, Amount | 503.9 | 469.9 | 471.2
Interest cost | 30.5 | 29.3 |
Other Postretirement Benefits Plans And Supplemental Employee Retirement Plans [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Net benefit liabilities | 10.1 | 10.2 |
Net projected benefit obligations, current | 0.9 | 1.0 |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | 0.9 |  |
Liability, Defined Benefit Plan, Noncurrent | 9.2 | 9.2 |
Employer contributions | 0.0 | 0.0 |
Defined Benefit Plan, Plan Assets, Amount | 0.0 | 0.0 | $ 0.0
Interest cost | $ 0.5 | $ 0.5 |

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