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	Sep. 30, 2023	Dec. 31, 2022
Prepaid expenses and other current assets
Derivatives not designated as hedging instruments:
Foreign currency derivative assets	$ 357	$ 141
Other assets
Derivatives not designated as hedging instruments:
Foreign currency derivative assets	5,713	395
Accrued liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	1,694	3,663
Current portion of program rights obligations
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	176	82
Other liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	$ 1,743	$ 5,220