SEGMENT INFORMATION (Reconciliation of Segment Operating Profit to Consolidated Income Before Provision for Income Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment operating profit:	$ 120,561	$ 144,346	$ 231,093	$ 264,717
Stock-based compensation expense	(35,684)	(33,110)	(80,475)	(71,689)
Interest and other income, net	12,036	11,710	27,078	23,231
Foreign exchange gain/(loss)	1,213	(6,010)	(706)	(10,618)
Income before provision for income taxes	133,810	150,046	257,465	277,330
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment operating profit:	177,376	193,718	358,559	373,448
Unallocated Amounts
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Stock-based compensation expense	(35,684)	(33,110)	(80,475)	(71,689)
Amortization of intangibles assets	(5,821)	(5,483)	(11,770)	(11,020)
Other acquisition-related expenses	(456)	(1,340)	(1,679)	(1,581)
Other unallocated expenses	$ (14,854)	$ (9,439)	$ (33,542)	$ (24,441)