Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income	$ 318,582	$ 169,352
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	28,349	20,376
Amortization of premium on available-for-sale securities	3,682	3,231
(Gain) loss on deferred compensation plan investments	8,607	(2,640)
Deferred taxes, net	(1,217)	1,004
Stock-based compensation expense	125,723	92,282
Other	97	(8)
Accounts receivable	(48,608)	(13,033)
Inventories	(138,241)	(50,968)
Other assets	(172,050)	(14,051)
Accounts payable	6,274	30,032
Accrued compensation and related benefits	45,054	30,030
Income tax liabilities	5,734	4,088
Other accrued liabilities	12,485	22,109
Net cash provided by operating activities	194,471	291,804
Cash flows from investing activities:
Purchases of property and equipment	(46,002)	(76,849)
Purchases of short-term investments	(16,243)	(354,171)
Purchases of long-term investments	(2,084)	0
Maturities and sales of short-term investments	104,666	94,192
Sales of long-term investments	325	400
Contributions to deferred compensation plan, net	(2,993)	(1,917)
Purchases of intangible assets	0	(793)
Net cash provided by (used in) investing activities	37,669	(339,138)
Cash flows from financing activities:
Property and equipment purchased on extended payment terms	(1,587)	(2,049)
Proceeds from common stock issued under the employee equity incentive plan	4,345	15,147
Proceeds from common stock issued under the employee stock purchase plan	5,877	4,670
Dividends and dividend equivalents paid	(101,564)	(80,725)
Net cash used in financing activities	(92,929)	(62,957)
Effect of change in exchange rates	(12,275)	1,431
Net increase (decrease) in cash, cash equivalents and restricted cash	126,936	(108,860)
Cash, cash equivalents and restricted cash, beginning of period	189,389	335,071
Cash, cash equivalents and restricted cash, end of period	316,325	226,211
Supplemental disclosures for cash flow information:
Cash paid for taxes	61,430	16,217
Non-cash investing and financing activities:
Liability accrued for property and equipment purchases	4,710	7,144
Liability accrued for dividends and dividend equivalents	$ 39,672	$ 31,911