Derivatives and Hedging Activities - Cash Flow Hedges (Details) - Cash flow hedges - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain or (loss) recognized in accumulated other comprehensive income:	$ 35,234	$ (42,551)	$ 67,353	$ (62,079)
Amount of gain or (loss) reclassified from accumulated other comprehensive income to income:	(7,092)	222	(22,693)	20,759
Amount of gain or (loss) excluded from effectiveness testing included in income:	0	(430)	(244)	(1,454)
Foreign currency forward and option contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain or (loss) recognized in accumulated other comprehensive income:	27,860	(40,770)	61,067	(35,092)
Foreign currency option
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Foreign currency option contracts (excluded component)	0	639	151	2,315
Foreign currency option | Revenues
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain or (loss) excluded from effectiveness testing included in income:	0	(430)	(244)	(1,454)
Interest rate locks
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain or (loss) recognized in accumulated other comprehensive income:	7,374	(2,420)	6,135	(29,302)
Interest rate locks | Interest Expense
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain or (loss) reclassified from accumulated other comprehensive income to income:	(1,101)	(731)	(2,955)	(473)
Foreign Exchange Forward | Revenues
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain or (loss) reclassified from accumulated other comprehensive income to income:	(11,863)	2,904	(41,397)	44,681
Foreign Exchange Forward | Costs and operating expenses
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount of gain or (loss) reclassified from accumulated other comprehensive income to income:	$ 5,872	$ (1,951)	$ 21,659	$ (23,449)