Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income	$ 1,786,700	$ 427,374	$ 437,672
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	36,430	40,168	37,114
Amortization of premium (discount) on available-for-sale securities	(20,145)	(5,277)	4,375
Loss (gain) on deferred compensation plan investments	(9,400)	(8,505)	6,600
Deferred taxes, net	(1,302,911)	5,865	(13,220)
Gain on sale of equity investment	0	(1,424)	0
Stock-based compensation expense	205,640	149,711	160,992
Other	28	(23)	97
Changes in operating assets and liabilities:
Accounts receivable	7,325	2,884	(77,903)
Inventories	(35,215)	63,583	(188,073)
Other assets	54,544	(24,310)	(177,284)
Accounts payable	23,169	4,797	(11,240)
Accrued compensation and related benefits	8,743	(31,187)	28,514
Income tax liabilities	13,226	(308)	16,559
Other accrued liabilities	20,276	14,865	22,471
Net cash provided by operating activities	788,410	638,213	246,674
Cash flows from investing activities:
Purchases of property and equipment	(146,118)	(57,578)	(58,843)
Cash paid for an assumed lease	(18,175)	0	0
Purchases of investments	(1,082,706)	(582,603)	(65,785)
Maturities and sales of investments	1,508,135	468,308	128,610
Cash paid for acquisition, net of cash acquired	(33,283)	0	0
Contributions to deferred compensation plan, net	(4,806)	(6,853)	(16,492)
Net cash provided by (used in) investing activities	223,047	(178,726)	(12,510)
Cash flows from financing activities:
Property and equipment purchased on extended payment terms	(4,087)	(2,826)	(2,055)
Proceeds from common stock issued under the employee equity incentive plan	0	1,118	5,358
Proceeds from common stock issued under the employee stock purchase plan	8,727	7,568	5,877
Repurchases of common stock	(636,244)	(3,741)	0
Dividends and dividend equivalents paid	(240,623)	(185,844)	(137,965)
Net cash used in financing activities	(872,227)	(183,725)	(128,785)
Effect of change in exchange rates	(8,470)	(3,310)	(6,039)
Net increase in cash, cash equivalents and restricted cash	130,760	272,452	99,340
Cash, cash equivalents and restricted cash, beginning of period	561,181	288,729	189,389
Cash, cash equivalents and restricted cash, end of period	691,941	561,181	288,729
Supplemental disclosures for cash flow information:
Cash paid for income taxes, net	79,562	85,128	85,031
Non-cash investing and financing activities:
Liability accrued for property and equipment purchases	22,292	1,784	5,743
Liability accrued for dividends and dividend equivalents	$ 63,409	$ 53,213	$ 40,939