CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenue	$ 881,896	$ 860,333	$ 2,688,875	$ 2,555,865
Costs and operating expenses:
Cost of revenue (exclusive of amortization of acquired intangible assets shown below)	346,450	316,866	1,025,851	943,553
Research and development	94,047	82,899	286,052	242,199
Sales and marketing	123,935	108,514	373,319	336,762
General and administrative	139,425	134,265	433,906	405,275
Amortization of acquired intangible assets	17,374	11,959	47,990	35,446
Restructuring charge	227	565	12,958	5,567
Total costs and operating expenses	721,458	655,068	2,180,076	1,968,802
Income from operations	160,438	205,265	508,799	587,063
Interest and marketable securities income (loss), net	782	2,872	(1,760)	12,186
Interest expense	(2,785)	(18,144)	(8,412)	(54,015)
Other (expense) income, net	(275)	3,635	(9,024)	2,007
Income before provision for income taxes	158,160	193,628	489,603	547,241
Provision for income taxes	(50,006)	(13,648)	(135,114)	(43,555)
Loss from equity method investment	0	(1,064)	(7,635)	(12,578)
Net income	$ 108,154	$ 178,916	$ 346,854	$ 491,108
Net income per share:
Basic (in dollars per share)	$ 0.68	$ 1.10	$ 2.17	$ 3.01
Diluted (in dollars per share)	$ 0.68	$ 1.08	$ 2.15	$ 2.96
Shares used in per share calculations:
Basic (in shares)	158,715	162,767	159,749	162,967
Diluted (in shares)	159,068	166,318	161,472	166,090