Financial Instruments (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Long-term debt	$ 444,686	$ 318,531
Less: Current maturities of long-term debt	0	0
Long-term debt	444,686	318,531
Line of Credit | USD borrowings
Debt Instrument [Line Items]
Long-term debt	$ 339,000	$ 225,000
Interest rate, effective percentage	5.92%	5.77%
Line of Credit | EUR borrowings
Debt Instrument [Line Items]
Long-term debt	$ 105,686	$ 93,485
Interest rate, effective percentage	3.72%	4.09%
Foreign bank debt
Debt Instrument [Line Items]
Long-term debt	$ 0	$ 46