v3.25.4
Pension Plans and Other Postretirement Benefits - Additional Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 01, 2026
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]          
Accumulated benefit obligation for defined benefit pension plans   $ 660,800 $ 655,900    
Weighted-average expected rate of return on plan assets     6.77% 6.66%  
Actual rate of return     5.89% 11.21%  
Percentage of defined benefit plan assets in U.S. and U.K.   95.00%      
Change in percentage of broad asset class targets   10.00%      
Pension and postretirement contributions   $ 20,441 $ 19,379 $ 17,866  
Pension Plans          
Defined Benefit Plan Disclosure [Line Items]          
Expected contributions to benefit plans in next year   $ 12,500      
Other Postretirement Benefits          
Defined Benefit Plan Disclosure [Line Items]          
Discount rate   5.45% 5.67%    
Expected premium contribution   $ 2,000      
Projected benefit obligation recognized   47,631 $ 34,478 28,889  
Supplemental Executive Retirement Plan          
Defined Benefit Plan Disclosure [Line Items]          
Expected contributions to benefit plans in next year   900      
Costs (credits) related to supplemental executive retirement plan   700 700 $ 600  
Projected benefit obligation recognized   $ 5,700 $ 5,900    
U.S. Plans | Pension Plans          
Defined Benefit Plan Disclosure [Line Items]          
Weighted-average expected rate of return on plan assets   6.70% 6.88% 6.88%  
Discount rate   5.43% 5.65% 5.21% 5.46%
Actual rate of return   7.32%      
Projected benefit obligation recognized   $ 483,570 $ 485,068 $ 512,902  
Defined contribution plan, employer matching contribution percentage   5.00%      
U.S. Plans | Pension Plans | 2004 Defined Contribution Plan          
Defined Benefit Plan Disclosure [Line Items]          
Defined contribution plan, employer contributions   $ 15,800 18,300 17,800  
U.S. Plans | Pension Plans | Employee Savings Plan          
Defined Benefit Plan Disclosure [Line Items]          
Defined contribution plan, employer contributions   $ 16,800 $ 20,400 $ 18,400  
U.S. Plans | Pension Plans | Subsequent Event          
Defined Benefit Plan Disclosure [Line Items]          
Weighted-average expected rate of return on plan assets 6.00%        
Foreign Plans | Pension Plans          
Defined Benefit Plan Disclosure [Line Items]          
Weighted-average expected rate of return on plan assets   6.52% 5.95% 4.86%  
Discount rate   4.50% 4.04% 3.73% 4.04%
Actual rate of return     5.55%    
Projected benefit obligation recognized   $ 186,581 $ 177,953 $ 195,918  
Foreign Plans | Pension Plans | Subsequent Event          
Defined Benefit Plan Disclosure [Line Items]          
Weighted-average expected rate of return on plan assets 6.35%