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	$ 426,859	$ 167,645	$ 141,561
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	96,426	104,386	101,969
Non-cash interest expense	3,359	4,188	4,117
Amortization of premium (accretion of discount) on investments	(8,345)	(9,228)	3,043
Stock-based compensation	201,571	207,099	196,308
Gain on sale of nonfinancial assets	(10,000)	0	(108,000)
Impairment of assets and other non-cash adjustments	19,889	38,608	0
Deferred income taxes	56,096	(44,981)	(52,087)
Unrealized foreign exchange loss (gain)	(16,753)	28,446	(14,287)
Non-cash changes in the fair value of contingent consideration	0	0	1,704
Other	20,135	(365)	(2,043)
Changes in operating assets and liabilities:
Accounts receivable, net	(57,909)	(190,435)	(82,033)
Inventory	(63,530)	(157,058)	(68,264)
Other current assets	(3,778)	(50,335)	7,822
Other assets	(73,700)	(31,149)	(19,859)
Accounts payable and other short-term liabilities	(32,240)	68,853	59,018
Other long-term liabilities	14,761	23,585	6,933
Net cash provided by operating activities	572,841	159,259	175,902
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(85,424)	(96,691)	(120,959)
Maturities and sales of investments	633,018	864,863	619,995
Purchases of investments	(410,250)	(868,496)	(611,809)
Proceeds from sale of nonfinancial assets	10,000	0	103,325
Purchase of intangible assets	(11,994)	(10,920)	(10,581)
Other	1,141	0	0
Net cash provided by (used in) investing activities	136,491	(111,244)	(20,029)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from exercises of awards under equity incentive plans	49,277	69,353	69,333
Taxes paid related to net share settlement of equity awards	(77,560)	(76,319)	(54,283)
Repayments of convertible debt	(494,987)	0	0
Payments of contingent consideration	0	(9,475)	(31,095)
Other	(3,177)	(2,286)	(2,605)
Net cash used in financing activities	(526,447)	(18,727)	(18,650)
Effect of exchange rate changes on cash	4,830	1,308	32
NET INCREASE IN CASH AND CASH EQUIVALENTS	187,715	30,596	137,255
Cash and cash equivalents:
Beginning of period	755,127	724,531	587,276
End of period	942,842	755,127	724,531
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Cash paid for interest	10,361	10,303	10,281
Cash paid for income taxes	57,269	73,312	54,372
SUPPLEMENTAL CASH FLOW DISCLOSURES FOR NON-CASH INVESTING AND FINANCING ACTIVITIES:
Increase (decrease) in accounts payable and accrued liabilities related to fixed assets	(6,730)	164	(1,482)
Increase (decrease) in accounts payable and accrued liabilities related to intangible assets	$ (617)	$ 6,904	$ 742