Financial Instruments and Risk Management (Balance Sheet Classification and Fair Value of Derivative Instruments) (Details) - Forward Contracts [Member] - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023
Not Designated as Hedging Instrument [Member] | Prepaid Expenses And Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	$ 1,443	$ 2,833	$ 4,485
Not Designated as Hedging Instrument [Member] | Accrued liabilities:
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	1,441	2,269	1,389
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Prepaid Expenses And Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	3,311	7,367	17,121
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Other non-current assets:
Derivatives, Fair Value [Line Items]
Fair value of derivative assets	817	961	6,511
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Accrued liabilities:
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	3,657	4,121	972
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Other Long Term Liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value of derivative liabilities	$ 1,264	$ 2,629	$ 104