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	Jun. 30, 2023	Dec. 31, 2022
Prepaid expenses and other current assets
Derivatives not designated as hedging instruments:
Foreign currency derivative assets	$ 254	$ 141
Other assets
Derivatives not designated as hedging instruments:
Foreign currency derivative assets	7,309	395
Accrued liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	2,243	3,663
Current portion of program rights obligations
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	120	82
Other liabilities
Derivatives not designated as hedging instruments:
Foreign currency derivative liabilities	$ 2,399	$ 5,220