Revenue Recognition (Disaggregation of Revenue by Principal Geographic Area, Based on Customers' Domiciles) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenue	$ 943,630	$ 860,546	$ 1,843,825	$ 1,697,095
United States
Disaggregation of Revenue [Line Items]
Total revenue	621,607	559,825	1,212,020	1,085,731
Europe, the Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenue	178,666	161,993	354,674	335,801
Asia Pacific Region
Disaggregation of Revenue [Line Items]
Total revenue	80,906	80,100	159,266	163,961
Canada
Disaggregation of Revenue [Line Items]
Total revenue	41,635	39,533	77,597	74,765
Latin America & Caribbean
Disaggregation of Revenue [Line Items]
Total revenue	$ 20,816	$ 19,095	$ 40,268	$ 36,837