SEGMENT INFORMATION (Reconciliation of Segment Operating Profit to Consolidated Income Before Provision for Income Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment operating profit:	$ 114,028	$ 180,227	$ 378,745	$ 402,489
Stock-based compensation expense	(37,847)	(33,287)	(109,536)	(68,292)
Loss on sale of business	(25,922)	0	(25,922)	0
Interest and other income, net	13,931	4,228	37,162	5,642
Foreign exchange gain/(loss)	3,893	6,691	(6,725)	(102,035)
Income before provision for income taxes	131,852	191,146	409,182	306,096
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment operating profit:	196,394	242,165	569,842	570,604
Unallocated Amounts
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Stock-based compensation expense	(37,847)	(33,287)	(109,536)	(68,292)
Amortization of intangibles assets	(5,688)	(5,584)	(16,708)	(16,584)
Other acquisition-related expenses	(867)	(265)	(2,448)	(934)
Loss on sale of business			(25,922)	0
Other unallocated expenses	$ (12,042)	$ (22,802)	$ (36,483)	$ (82,305)