CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 199,612	$ 247,098
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred taxes	(36,688)	14,747
Depreciation and amortization	71,639	59,907
Stock-based compensation	75,595	65,761
Non-cash operating lease cost	15,531	15,075
Other non-cash operating activities	21,860	16,172
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	(73,680)	(53,462)
Inventories	19,064	(91,060)
Prepaid expenses and other assets	(16,799)	(14,219)
Accounts payable	(10,351)	(23,944)
Accrued and other long-term liabilities	140,284	(212,896)
Long-term income tax payable	(11,113)	(1,657)
Deferred revenues	56,718	136,021
Net cash provided by operating activities	451,672	157,543
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property, plant and equipment	(122,664)	(163,348)
Purchase of marketable securities	(2,373)	(20,466)
Proceeds from maturities of marketable securities	17,601	21,690
Proceeds from sales of marketable securities	4,048	92,235
Purchase of equity investments	(75,000)	0
Other investing activities	74	(2,189)
Net cash used in investing activities	(178,314)	(72,078)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	14,256	14,827
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	(21,788)	(52,187)
Net cash used in financing activities	(259,892)	(312,396)
Effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash	(3,523)	4,978
Net increase (decrease) in cash, cash equivalents, and restricted cash	9,943	(221,953)
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	$ 952,298	$ 878,186