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Retirement Benefits - Narrative (Details)
 12 Months Ended
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%