v3.25.4
Retirement and Other Postretirement Benefit Plans - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
U.S. retirement saving plan      
Employer contribution $ 1.7 $ 1.7 $ 1.5
Company paid to settle certain plan 16.5    
Total benefit obligation 21.0 37.8  
Total fair value of plan asset 4.0 4.0  
Net periodic expense $ 17.0 $ 33.8  
Collective-Bargaining Arrangement      
U.S. retirement saving plan      
Minimum percentage of the Plan's total contributions contributed by the entity 5.00% 5.00% 5.00%
Multiemployer Plans, Collective-Bargaining Arrangement, Description The collective bargaining agreement was renewed on October 1, 2025 for a five-year term.    
United Kingdom defined benefit plan (the U.K. Plan)      
Impact of one-percentage-point increase and a one-percentage-point decrease in the discount rate on retirement obligation as of December 31, 2019      
Gain (loss) on investments $ 1.9    
Pre-tax non-cash settlement charge     $ 70.5
Defined Benefit Retirement Plans      
U.S. retirement saving plan      
Employer contribution as a percentage of employee contribution (as a percent) 50.00%    
Expense related to the defined benefit retirement plans $ 1.9 $ 1.6 5.7
Defined Benefit Retirement Plans | Maximum      
U.S. retirement saving plan      
Employer matching contribution as a percentage of employee's annual compensation (as a percent) 6.00%    
Retirement Savings Plan [Member]      
Impact of one-percentage-point increase and a one-percentage-point decrease in the discount rate on retirement obligation as of December 31, 2019      
Defined contribution plan cost $ 20.4 22.7 $ 20.1
Net PBO current liabilities [Member]      
U.S. retirement saving plan      
Net periodic expense 2.4 17.4  
Net PBO non current liabilities [Member]      
U.S. retirement saving plan      
Net periodic expense $ 14.6 $ 16.4