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Retirement Benefits - Narrative (Details) | 12 Months Ended
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Dec. 31, 2024 USD ($) employee shares | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |  |
Accumulated benefit obligation for all defined benefit pension plans | $ 89,400,000 | $ 94,600,000 |
Percentage of excess gains and losses over benefit obligation or market value of assets amortized | 10.00% |  |
Weighted average annual rate of increase in the per capita cost of covered health care benefits assumed | 6.86% |  |
Assumed decrease of weighted average health care cost trend rate | 4.00% |  |
Year that reaches assumed decrease of weighted average health care cost trend rate | 2047 |  |
Costs of defined contribution plans | $ 17,400,000 | 16,800,000 | $ 16,100,000
Number of participants covering under multi employer pension plan | employee | 213 |  |
Costs of bargaining unit-sponsored multi-employer plans and defined contribution plans | $ 1,000,000.0 | 900,000 | $ 800,000
Stock held in plan assets (in shares) | shares | 0 |  |
Defined Contribution Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined contribution plan, expected contribution for next fiscal year | $ 17,100,000 |  |
Pension Benefits |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Actuarial loss (gain) | 0 |  |
Defined benefit plan, expected contribution for next fiscal year | 3,700,000 |  |
Other Benefits |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Actuarial loss (gain) | 700,000 | (500,000) |
Defined benefit plan, expected contribution for next fiscal year | 1,100,000 |  |
U.S. | Pension Benefits |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Actuarial loss (gain) | 300,000 | (400,000) |
Non-U.S. | Pension Benefits |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Actuarial loss (gain) | $ (300,000) | $ (6,200,000) |
UK | Pension Benefits |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation of fund assets in equities | 1.30% |  |
Equity securities | U.S. |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation of fund assets in equities | 10.00% |  |
Equity securities | UK |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation of fund assets in equities | 100.00% |  |
Fixed income securities | U.S. | Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Target allocation of fund assets in equities | 90.00% |  |

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