Retirement Plans and Postretirement Medical Benefits (Components of Net Periodic Benefit Cost (Income) for Defined Benefit Pension Plans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Settlements	$ 91,339	$ 0	$ 0
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Settlements	91,000
Nonpension postretirement benefit plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	369	367	731
Interest cost	4,479	5,031	3,679
Amortization of net actuarial loss	(1,451)	(2,249)	68
Net periodic benefit cost (income)	3,397	3,149	4,478
United States | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	49	44	55
Interest cost	58,131	63,533	44,348
Expected return on plan assets	(85,701)	(86,008)	(71,080)
Amortization of prior service (credit) cost	(20)	(20)	(44)
Amortization of net actuarial loss	19,190	17,362	33,164
Settlements	88,051	771	394
Net periodic benefit cost (income)	79,700	(4,318)	6,837
Foreign | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	745	766	1,214
Interest cost	20,815	21,238	13,568
Expected return on plan assets	(25,858)	(29,899)	(26,770)
Amortization of prior service (credit) cost	298	286	252
Amortization of net actuarial loss	7,737	2,068	6,767
Settlements	3,373	(25)	0
Net periodic benefit cost (income)	$ 7,110	$ (5,566)	$ (4,969)