CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 437,446	$ 493,982
Short-term investments	316,361	590,326
Accounts receivable, net	377,404	342,633
Inventory	680,275	530,871
Other current assets	130,657	98,403
Total current assets	1,942,143	2,056,215
Noncurrent assets:
Long-term investments	411,978	235,864
Property, plant and equipment, net	1,010,868	948,682
Intangible assets, net	456,580	491,808
Goodwill	197,039	197,039
Deferred tax assets	549,422	460,952
Other assets	122,009	36,568
Total assets	4,690,039	4,427,128
Current liabilities:
Accounts payable and accrued liabilities	570,621	437,290
Convertible Debt, Current	361,882	0
Short-term contingent consideration	0	85,951
Total current liabilities	932,503	523,241
Noncurrent liabilities:
Long-term convertible debt, net	486,238	830,417
Long-term contingent consideration	50,793	46,883
Other long-term liabilities	98,124	58,647
Total liabilities	1,567,658	1,459,188
Stockholders’ equity:
Common stock, $0.001 par value: 500,000,000 shares authorized;    179,838,114 and 178,252,954 shares issued and outstanding, respectively.	180	178
Additional paid-in capital	4,832,707	4,669,926
Company common stock held by Nonqualified Deferred Compensation Plan (the NQDC)	(9,961)	(13,301)
Accumulated other comprehensive income	20,164	5,271
Accumulated deficit	(1,720,709)	(1,694,134)
Total stockholders’ equity	3,122,381	2,967,940
Total liabilities and stockholders’ equity	$ 4,690,039	$ 4,427,128