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	Dec. 31, 2022	Dec. 31, 2021
Prepaid expenses and other current assets
Derivatives not designated as hedging instruments:
Foreign currency derivative assets	$ 141	$ 180
Other assets
Derivatives not designated as hedging instruments:
Foreign currency derivative assets	395	16
Accrued liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	3,663	1,686
Current portion of program rights obligations
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	82	0
Other liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	$ 5,220	$ 4,225