Pension and Postretirement Benefits (Amounts Recognized in Balance Sheet) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Noncurrent liabilities	$ (142,204)	$ (188,999)
Postretirement Medical Benefits
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Current liabilities	(2,086)	(2,239)
Noncurrent liabilities	(11,267)	(14,782)
Funded status	(13,353)	(17,021)
United States | Pension Plan
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Noncurrent assets	0	22,398
Current liabilities	(232)	(170)
Noncurrent liabilities	(17,683)	(5,772)
Funded status	(17,915)	16,456
Foreign Plan | Pension Plan
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Noncurrent assets	15,305	22,655
Current liabilities	(6,877)	(7,205)
Noncurrent liabilities	(104,516)	(160,318)
Funded status	$ (96,088)	$ (144,868)