SEGMENT INFORMATION (Reconciliation of Segment Operating Profit to Consolidated Income Before Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment operating profit	$ 572,966	$ 542,316	$ 379,324
Stock-based compensation expense	(99,909)	(111,655)	(75,238)
Amortization of purchased intangibles	(22,223)	(17,646)	(12,340)
Interest and other income/(loss), net	10,025	(1,727)	3,822
Foreign exchange loss	(75,733)	(7,197)	(4,667)
Income before provision for income taxes	507,258	533,392	378,479
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total segment operating profit	799,228	729,072	503,909
Unallocated Amounts
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Stock-based compensation expense	(99,909)	(111,655)	(75,238)
Amortization of purchased intangibles	(22,223)	(17,646)	(12,340)
Other acquisition-related expenses	(1,537)	(6,397)	(1,868)
Other unallocated costs	$ (102,593)	$ (51,058)	$ (35,139)