CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 321,039	$ 319,798
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred taxes	(22,749)	6,765
Depreciation and amortization	108,669	92,096
Stock-based compensation	115,197	98,679
Non-cash operating lease cost	24,034	22,756
Impairment of equity investment	3,329	0
Other non-cash operating activities	28,435	26,216
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	(80,297)	32,284
Inventories	31,639	(108,524)
Prepaid expenses and other assets	1,773	(32,440)
Accounts payable	(23,130)	(27,100)
Accrued and other long-term liabilities	156,024	(213,378)
Long-term income tax payable	(7,979)	9,019
Deferred revenues	82,894	197,854
Net cash provided by operating activities	738,878	424,025
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions, net of cash acquired	0	(12,304)
Purchase of property, plant and equipment	(144,302)	(238,696)
Purchase of marketable securities	(2,373)	(20,466)
Proceeds from maturities of marketable securities	35,754	22,456
Proceeds from sales of marketable securities	5,173	93,647
Purchase of equity investments	(76,999)	0
Other investing activities	128	(2,143)
Net cash used in investing activities	(182,619)	(157,506)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	26,595	26,149
Common stock repurchases	(292,360)	(275,036)
Payments for equity forward contracts related to accelerated share repurchase agreements	40,000	0
Payroll taxes paid upon the vesting of equity awards	(22,294)	(52,611)
Net cash used in financing activities	(248,059)	(301,498)
Effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash	(11,205)	(20,422)
Net increase (decrease) in cash, cash equivalents, and restricted cash	296,995	(55,401)
Cash, cash equivalents, and restricted cash at beginning of the period	942,355	1,100,139
Cash, cash equivalents, and restricted cash at end of the period	$ 1,239,350	$ 1,044,738