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Pension and Other Postretirement Benefit Plans - Narrative (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 USD ($) agreement plan | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2025 USD ($)
Defined Benefit Plan Disclosure |  |  |  |
Accumulated benefit obligation | $ 661.5 | $ 769.3 |  |
Tax (expense) benefit related to defined benefit plans recognized in other comprehensive income (loss) | $ (4.5) | 2.2 | $ (24.9) |
Number of multi-employer pension plans | plan | 2 |  |  |
Number of collective bargaining agreements | agreement | 4 |  |  |
Defined Contribution Retirement Program |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Defined contribution expense | $ 26.3 | $ 27.6 | 23.5 |
Unionized Employees | Multi-employer Plan Total Contributions |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Concentration risk percentage (more than) | 5.00% | 5.00% |  |
Foreign |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Defined contribution expense | $ 20.0 | $ 19.7 | $ 18.2 |
Minimum | U.S. |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Debt, weighted average interest rate | 4.50% | 4.70% |  |
Pension | Forecast |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Estimated required contributions to pension plans in next fiscal year |  |  |  | $ 4.0
Pension | U.S. |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Benefits paid - lump-sum payout | $ (52.7) | $ 0.0 |  |
Settlement charges | 6.6 |  |  |
Pension | Foreign |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Benefits paid - lump-sum payout | $ 0.0 | 0.0 |  |
Pension | Minimum |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Period for amortizing actuarial losses | 3 years |  |  |
Pension | Minimum | U.S. | Return Seeking Assets |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Target percentage of asset allocation | 20.00% |  |  |
Pension | Minimum | U.S. | Risk Mitigating Assets |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Target percentage of asset allocation | 60.00% |  |  |
Pension | Minimum | Foreign | Equity Securities |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Target percentage of asset allocation | 0.00% |  |  |
Pension | Minimum | Foreign | Fixed Income |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Target percentage of asset allocation | 65.00% |  |  |
Pension | Minimum | Foreign | Alternative Investments |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Target percentage of asset allocation | 0.00% |  |  |
Pension | Minimum | Foreign | Cash and Other |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Target percentage of asset allocation | 0.00% |  |  |
Pension | Maximum |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Period for amortizing actuarial losses | 31 years |  |  |
Pension | Maximum | U.S. | Return Seeking Assets |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Target percentage of asset allocation | 40.00% |  |  |
Pension | Maximum | U.S. | Risk Mitigating Assets |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Target percentage of asset allocation | 80.00% |  |  |
Pension | Maximum | Foreign | Equity Securities |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Target percentage of asset allocation | 35.00% |  |  |
Pension | Maximum | Foreign | Fixed Income |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Target percentage of asset allocation | 100.00% |  |  |
Pension | Maximum | Foreign | Alternative Investments |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Target percentage of asset allocation | 10.00% |  |  |
Pension | Maximum | Foreign | Cash and Other |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Target percentage of asset allocation | 10.00% |  |  |
Other Postretirement | U.S. |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Benefits paid - lump-sum payout | $ 0.0 | 0.0 |  |
Other Postretirement | Foreign |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Benefits paid - lump-sum payout | $ 0.0 | $ 0.0 |  |
Other Postretirement | Minimum |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Period for amortizing actuarial losses | 6 years |  |  |
Other Postretirement | Maximum |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |
Period for amortizing actuarial losses | 14 years |  |  |

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