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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
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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

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