Hedging Instruments (Derivatives Designated In Cash Flow Hedging Relationships) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Foreign Currency Fair Value Hedge Derivative [Line Items]
Cost of revenue	$ 335,035	$ 337,500	$ 1,019,345	$ 981,259
Foreign currency exchange contracts | Costs of revenue
Foreign Currency Fair Value Hedge Derivative [Line Items]
Amount of gain (loss) reclassified from accumulated other comprehensive income into income	$ 8,635	$ (1,583)	$ 16,652	$ (6,728)