XML 118 R90.htm IDEA: XBRL DOCUMENT v3.25.0.1
Pension Plans and Other Postretirement Benefits - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 01, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]          
Accumulated benefit obligation for defined benefit pension plans   $ 655,900 $ 700,400    
Weighted-average expected rate of return on plan assets   6.77% 6.66% 6.48%  
Actual rate of return   5.89% 11.21% (17.94%)  
Percentage of defined benefit plan assets in U.S. and U.K.   96.00%      
Change in percentage of broad asset class targets   10.00%      
Pension and postretirement contributions   $ 19,379 $ 17,866 $ 16,112  
Pension Plans          
Defined Benefit Plan Disclosure [Line Items]          
Expected contributions to benefit plans in next year   $ 16,500      
Other Postretirement Benefits          
Defined Benefit Plan Disclosure [Line Items]          
Discount rate   5.67% 5.21%    
Discount rate   5.21% 5.45% 2.85%  
Expected premium contribution   $ 2,500      
Projected benefit obligation recognized   34,478 $ 28,889 $ 35,990  
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   700 600 $ (1,200)  
Projected benefit obligation recognized   $ 5,900 $ 6,200    
U.S. Plans | Pension Plans          
Defined Benefit Plan Disclosure [Line Items]          
Weighted-average expected rate of return on plan assets   6.88% 6.88% 6.89%  
Discount rate   5.65% 5.21% 5.46%  
Discount rate     5.21% 5.46% 2.86%
Projected benefit obligation recognized   $ 485,068 $ 512,902 $ 514,971  
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   $ 18,300 17,800 12,100  
U.S. Plans | Pension Plans | Employee Savings Plan          
Defined Benefit Plan Disclosure [Line Items]          
Defined contribution plan, employer contributions   $ 20,400 $ 18,400 $ 12,700  
U.S. Plans | Pension Plans | Subsequent Event          
Defined Benefit Plan Disclosure [Line Items]          
Weighted-average expected rate of return on plan assets 6.70%        
Foreign Plans | Pension Plans          
Defined Benefit Plan Disclosure [Line Items]          
Weighted-average expected rate of return on plan assets   5.95% 4.86% 3.85%  
Discount rate   4.04% 3.73% 4.04%  
Discount rate     3.73% 4.04% 1.44%
Projected benefit obligation recognized   $ 177,953 $ 195,918 $ 180,561  
Foreign Plans | Pension Plans | Subsequent Event          
Defined Benefit Plan Disclosure [Line Items]          
Weighted-average expected rate of return on plan assets 6.52%