Retirement Plans and Postretirement Medical Benefits (Other Changes in Plan Assets and Benefit Obligations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Nonpension postretirement benefit plans
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss (gain)	$ (5,603)	$ (206)
Amortization of net actuarial loss	1,451	2,249
Total recognized in other comprehensive loss	(4,152)	2,043
United States | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss (gain)	23,443	36,846
Amortization of net actuarial loss	(19,190)	(17,362)
Amortization of prior service credit (cost)	20	20
Settlements	(88,051)	(771)
Total recognized in other comprehensive loss	(83,778)	18,733
Foreign | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss (gain)	29,581	35,826
Amortization of net actuarial loss	(7,737)	(2,068)
Amortization of prior service credit (cost)	(298)	(286)
Settlements	(3,373)	25
Total recognized in other comprehensive loss	$ 18,173	$ 33,497