v3.26.1
Pensions and Other Benefit Programs (Components of Net Periodic Benefit (Income) Cost) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Nonpension Postretirement Benefit Plans    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 59 $ 70
Interest cost 944 1,038
Expected return on plan assets 0 0
Amortization of prior service (credit) cost 0 0
Amortization of net actuarial loss (gain) (363) (604)
Net periodic benefit cost 640 504
Contributions to benefit plans 3,097 3,702
United States | Defined Benefit Pension Plans    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 0 6
Interest cost 12,554 13,522
Expected return on plan assets (11,191) (18,650)
Amortization of prior service (credit) cost (5) (5)
Amortization of net actuarial loss (gain) 6,551 5,071
Net periodic benefit cost 7,909 (56)
Contributions to benefit plans 1,389 1,613
Foreign | Defined Benefit Pension Plans    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 247 278
Interest cost 5,960 5,608
Expected return on plan assets (6,245) (6,382)
Amortization of prior service (credit) cost 79 73
Amortization of net actuarial loss (gain) 2,750 2,183
Net periodic benefit cost 2,791 1,760
Contributions to benefit plans $ 6,057 $ 7,356