Financial Instruments (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Long-term debt	$ 480,631	$ 318,531
Less: Current maturities of long-term debt	0	0
Long-term debt	480,631	318,531
Line of Credit | USD borrowings
Debt Instrument [Line Items]
Long-term debt	375,000	225,000
Line of Credit | EUR borrowings
Debt Instrument [Line Items]
Long-term debt	105,631	93,485
Foreign bank debt
Debt Instrument [Line Items]
Long-term debt	$ 0	$ 46