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, 2023	Dec. 31, 2022
Prepaid expenses and other current assets
Derivatives not designated as hedging instruments:
Foreign currency derivative assets	$ 216	$ 141
Other assets
Derivatives not designated as hedging instruments:
Foreign currency derivative assets	3,738	395
Accrued liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	3,301	3,663
Current portion of program rights obligations
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	195	82
Other liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	$ 3,434	$ 5,220