Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue:
Total revenue	$ 667,562	$ 523,029
Cost of revenue:
Total cost of revenue	242,290	184,778
Gross profit	425,272	338,251
Operating expenses:
Research and development	132,487	113,154
Sales and marketing	71,020	57,086
General and administrative	15,473	18,349
Total operating expenses	218,980	188,589
Income from operations	206,292	149,662
Other income, net	1,575	12,157
Income before income taxes	207,867	161,819
Provision for income taxes	27,501	23,388
Net income	$ 180,366	$ 138,431
Net income per share:
Basic (in dollars per share)	$ 2.36	$ 1.82
Diluted (in dollars per share)	$ 2.27	$ 1.73
Weighted-average shares used in computing net income per share:
Basic (in shares)	76,306	76,264
Diluted (in shares)	79,623	79,939
Product
Revenue:
Total revenue	$ 539,145	$ 410,906
Cost of revenue:
Total cost of revenue	218,433	163,629
Service
Revenue:
Total revenue	128,417	112,123
Cost of revenue:
Total cost of revenue	$ 23,857	$ 21,149