Financial Instruments (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Long-term debt	$ 455,663	$ 318,531
Less: Current maturities of long-term debt	0	0
Long-term debt	$ 455,663	$ 318,531
Line of Credit
Debt Instrument [Line Items]
Interest rate, effective percentage	5.56%	5.77%
Basis spread on variable rate	3.73%	4.09%
Line of Credit | USD borrowings
Debt Instrument [Line Items]
Long-term debt	$ 350,000	$ 225,000
Line of Credit | EUR borrowings
Debt Instrument [Line Items]
Long-term debt	105,663	93,485
Foreign Bank Debt
Debt Instrument [Line Items]
Long-term debt	$ 0	$ 46