Derivative Financial Instruments (Fair Value of Derivative Instruments Included in Balance Sheets) (Details) - Derivatives not designated as hedging instruments - Foreign currency derivatives - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Prepaid expenses and other current assets
Derivatives not designated as hedging instruments:
Foreign currency derivative assets	$ 689	$ 378
Other assets
Derivatives not designated as hedging instruments:
Foreign currency derivative assets	3,509	7,899
Accrued liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	989	1,065
Current portion of program rights obligations
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	0	8
Other liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	$ 2,232	$ 1,222