CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	[1]
Current assets:
Cash and cash equivalents	$ 427,411	$ 598,028
Short-term investments	935,662	797,940
Accounts receivable, net	363,566	261,365
Inventory	473,356	475,775
Other current assets	80,072	74,036
Total current assets	2,280,067	2,207,144
Noncurrent assets:
Long-term investments	279,988	385,785
Property, plant and equipment, net	900,480	896,700
Intangible assets, net	502,295	517,510
Goodwill	197,039	197,039
Deferred tax assets	425,380	399,095
Other assets	39,430	29,852
Total assets	4,624,679	4,633,125
Current liabilities:
Accounts payable and accrued liabilities	358,732	401,921
Short-term convertible debt, net	369,752	360,949
Short-term contingent acquisition consideration	76,466	53,648
Total current liabilities	804,950	816,518
Noncurrent liabilities:
Long-term convertible debt, net	821,871	813,521
Long-term contingent acquisition consideration	57,674	135,318
Other long-term liabilities	55,080	59,105
Total liabilities	1,739,575	1,824,462
Stockholders’ equity:
Common stock, $0.001 par value: 500,000,000 shares authorized; 177,508,135 and 175,843,749 shares issued and outstanding, respectively.	178	176
Additional paid-in capital	4,577,300	4,483,220
Company common stock held by Nonqualified Deferred Compensation Plan (the NQDC)	(13,390)	(14,224)
Accumulated other comprehensive loss	(1,129)	(22,961)
Accumulated deficit	(1,677,855)	(1,637,548)
Total stockholders’ equity	2,885,104	2,808,663
Total liabilities and stockholders’ equity	$ 4,624,679	$ 4,633,125

[1] December 31, 2017 balances were derived from the audited Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017, filed with the SEC on February 26, 2018.