Pensions and Other Benefit Programs (Components of Net Periodic Benefit (Income) Cost) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2023
Nonpension Postretirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 70	$ 92
Interest cost	1,038	1,136
Expected return on plan assets	0	0
Amortization of prior service (credit) cost	0	0
Amortization of net actuarial loss (gain)	(604)	(295)
Net periodic benefit (income) cost	504	933
Contributions to benefit plans	3,702	3,700
United States | Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	6	12
Interest cost	13,522	14,966
Expected return on plan assets	(18,650)	(21,909)
Amortization of prior service (credit) cost	(5)	(5)
Amortization of net actuarial loss (gain)	5,071	4,972
Net periodic benefit (income) cost	(56)	(1,964)
Contributions to benefit plans	1,613	1,069
Foreign | Defined Benefit Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	278	188
Interest cost	5,608	5,201
Expected return on plan assets	(6,382)	(6,450)
Amortization of prior service (credit) cost	73	74
Amortization of net actuarial loss (gain)	2,183	1,923
Net periodic benefit (income) cost	1,760	936
Contributions to benefit plans	$ 7,356	$ 6,998