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, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment operating profit:	$ 180,227	$ 144,124	$ 402,489	$ 376,649
Stock-based compensation expense	(33,287)	(29,187)	(68,292)	(77,638)
Interest and other income/(loss), net	4,228	(5,325)	5,642	2,629
Foreign exchange gain/(loss)	6,691	(3,441)	(102,035)	(5,835)
Income before provision for income taxes	191,146	135,358	306,096	373,443
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment operating profit:	242,165	193,725	570,604	507,621
Unallocated Amounts
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Stock-based compensation expense	(33,287)	(29,187)	(68,292)	(77,638)
Amortization of intangibles assets	(5,584)	(4,684)	(16,584)	(11,785)
Other acquisition-related expenses	(265)	(1,553)	(934)	(5,585)
Other unallocated expenses	$ (22,802)	$ (14,177)	$ (82,305)	$ (35,964)