Segment Information (Revenues By Geographic Location) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 3,217,170	$ 3,236,700	$ 3,010,564
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	1,774,720	1,766,419	1,704,763
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	1,129,332	1,147,731	991,216
APJ
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 313,118	$ 322,550	$ 314,585