Hedging Instruments (Derivatives Designated In Cash Flow Hedging Relationships) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Foreign Currency Fair Value Hedge Derivative [Line Items]
Cost of revenue	$ 346,514	$ 336,834	$ 684,310	$ 643,759
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	$ 5,781	$ (2,715)	$ 8,017	$ (5,145)