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Employee Benefit Plans (Narrative) (Details) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2024 pension_plan | Dec. 31, 2024 USD ($) pension_plan | Dec. 31, 2023 USD ($) pension_plan | Dec. 31, 2022 USD ($) pension_plan
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Number of significant plans | pension_plan | 2 | 2 | 3 | 3
Unfunded status |  | $ 0.4 | $ (6.8) | $ (15.4)
Pension benefit obligation (as a percent) |  | 85.00% |  |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Other Operating Income (Expense), Net |  |
Expected employer contributions |  | $ 0.3 |  |
Defined contribution plan, cost |  | $ 15.4 | 14.2 | $ 13.7
Number of union sponsored multiemployer plans | pension_plan |  | 1 |  |
Withdrawal obligation |  | $ 16.0 |  |
Frozen Plans |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Unfunded status |  | (4.2) | $ (6.1) |
Curtailment loss |  | $ 0.7 |  |
Other Postretirement Benefits Plan | Bonds | Frozen Plans |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Target allocation (as a percent) |  | 100.00% |  |
Other Postretirement Benefits Plan | Bonds | Active Plans |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Target allocation (as a percent) |  | 25.00% |  |
Other Postretirement Benefits Plan | Equity securities | Active Plans |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Target allocation (as a percent) |  | 75.00% |  |

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- Definition Amount of (increase) decrease in accumulated benefit obligation of defined benefit plan from effects of settlement and curtailment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (r) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480535/715-20-45-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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