SEGMENT INFORMATION (Reconciliation of Segment Operating Profit to Consolidated Income Before Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment operating profit	$ 501,239	$ 572,966	$ 542,316
Stock-based compensation expense	(147,730)	(99,909)	(111,655)
Amortization of purchased intangibles	(22,717)	(22,223)	(17,646)
Loss on sale of business	(25,922)	0	0
Interest and other income/(loss), net	51,124	10,025	(1,727)
Foreign exchange loss	(15,778)	(75,733)	(7,197)
Income before provision for income taxes	536,585	507,258	533,392
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment operating profit	765,713	799,228	729,072
Unallocated Amounts
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Stock-based compensation expense	(147,730)	(99,909)	(111,655)
Amortization of purchased intangibles	(22,717)	(22,223)	(17,646)
Other acquisition-related expenses	(2,723)	(1,537)	(6,397)
Loss on sale of business	(25,922)	0	0
Other unallocated costs	$ (65,382)	$ (102,593)	$ (51,058)