Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 436,473	$ 272,259
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and other	20,905	13,091
Stock-based compensation	62,881	50,279
Noncash lease expense	4,633	4,532
Deferred income taxes	(71,153)	(81,822)
Unrealized loss (gain) on equity investments	5,571	(28,497)
Amortization (accretion) of investment premiums (discounts)	(4,220)	7,033
Changes in operating assets and liabilities:
Accounts receivable, net	60,221	(131,861)
Inventories	(392,997)	(43,531)
Prepaid expenses and other current assets	(82,278)	(107,999)
Other assets	26,361	(640)
Accounts payable	94,564	2,478
Accrued liabilities	58,655	(29,666)
Deferred revenue	51,028	187,194
Income taxes, net	108,200	106,992
Other liabilities	(4,361)	(2,704)
Net cash provided by operating activities	374,483	217,138
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities of marketable securities	824,021	404,176
Proceeds from sale of marketable securities	21,725	0
Purchases of marketable securities	(861,612)	(412,614)
Purchases of property and equipment	(5,631)	(14,876)
Business acquisitions, net of cash acquired	0	(37,610)
Investments and notes receivable in privately-held companies	(250)	(11,691)
Net cash used in investing activities	(21,747)	(72,615)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock under equity plans	23,096	19,160
Tax withholding paid on behalf of employees for net share settlement	(9,224)	(12,741)
Repurchases of common stock	(82,275)	(136,228)
Net cash used in financing activities	(68,403)	(129,809)
Effect of exchange rate changes	314	(481)
NET INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	284,647	14,233
CASH, CASH EQUIVALENTS AND RESTRICTED CASH —Beginning of period	675,978	625,050
CASH, CASH EQUIVALENTS AND RESTRICTED CASH —End of period	960,625	639,283
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING INFORMATION:
Right-of-use assets obtained in exchange for lease obligations	15,229	6,022
Property and equipment included in accounts payable and accrued liabilities	4,926	2,759
Common stock issued for business acquisition	$ 0	$ 4,049