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	$ 87,798	$ 134,298
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred taxes	(18,417)	17,464
Depreciation and amortization	35,820	29,626
Stock-based compensation	37,735	31,621
Non-cash operating lease cost	7,755	7,526
Other non-cash operating activities	11,586	8,612
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	(32,734)	(55,543)
Inventories	24,008	(49,455)
Prepaid expenses and other assets	(26,850)	(48,665)
Accounts payable	5,993	7,025
Accrued and other long-term liabilities	37,420	(126,400)
Long-term income tax payable	2,119	5,405
Deferred revenues	27,662	68,984
Net cash provided by operating activities	199,895	30,498
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property, plant and equipment	(64,119)	(87,328)
Purchase of marketable securities	(2,371)	(15,041)
Proceeds from maturities of marketable securities	10,870	6,095
Proceeds from sales of marketable securities	2,785	8,528
Other investing activities	6	(2,452)
Net cash used in investing activities	(52,829)	(90,198)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock	14,256	14,827
Common stock repurchases	(292,360)	(75,036)
Payments for equity forward contracts related to accelerated share repurchase agreements	40,000	0
Payroll taxes paid upon the vesting of equity awards	(20,857)	(51,533)
Net cash used in financing activities	(258,961)	(111,742)
Effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash	2,221	(1,826)
Net decrease in cash, cash equivalents, and restricted cash	(109,674)	(173,268)
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	$ 832,681	$ 926,871