CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities
Net income (loss)	$ (14,618)	$ 69,420
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Intangible asset amortization	155,730	149,786
Share-based compensation	61,441	56,352
Acquisition accounting inventory fair value step-up adjustment	28,943	60,458
Acquired in-process research and development	10,000	1,000
Depreciation	7,653	7,574
Provision for losses on accounts receivable and inventory	7,403	2,316
Non-cash interest expense	5,988	4,766
Deferred tax benefit	(66,385)	(66,061)
Other non-cash transactions	14,674	16,773
Changes in assets and liabilities:
Accounts receivable	(8,443)	28,460
Inventories	(12,844)	(6,266)
Prepaid expenses and other current assets	54,947	42,032
Operating lease assets	3,703	4,508
Other non-current assets	(4,090)	(9,541)
Accounts payable	(19,597)	34,286
Accrued liabilities	34,677	(96,985)
Income taxes payable	14,858	25,413
Deferred revenue	0	(459)
Operating lease liabilities, less current portion	(2,980)	(4,959)
Other non-current liabilities	(3,831)	1,835
Net cash provided by operating activities	267,229	320,708
Investing activities
Acquisition of investments	(375,000)	0
Acquired in-process research and development	(10,000)	(1,000)
Purchases of property, plant and equipment	(6,904)	(3,822)
Proceeds from maturity of investments	120,000	0
Net cash used in investing activities	(271,904)	(4,822)
Financing activities
Payment of employee withholding taxes related to share-based awards	(49,296)	(43,266)
Repayments of long-term debt	(7,750)	(7,750)
Proceeds from employee equity incentive and purchase plans	494	21,228
Net cash used in financing activities	(56,552)	(29,788)
Effect of exchange rates on cash and cash equivalents	(1,698)	331
Net increase (decrease) in cash and cash equivalents	(62,925)	286,429
Cash and cash equivalents, at beginning of period	1,506,310	881,482
Cash and cash equivalents, at end of period	$ 1,443,385	$ 1,167,911