Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 341,966	$ 301,320
Marketable securities	337,334	404,693
Accounts receivable, net	406,019	477,825
Inventories	123,895	230,387
Income tax receivable	77,882	481
Prepaid expenses and other current assets	97,269	65,865
Total current assets	1,384,365	1,480,571
Property and equipment, net	104,908	76,553
Goodwill	51,036	51,036
Intangible assets, net	22,356	27,521
Deferred tax assets	3,990	175,797
Other assets	15,420	10,448
Total assets	1,582,075	1,821,926
Current liabilities:
Accounts payable	212,731	313,773
Accrued liabilities	452,137	390,561
Deferred revenue	35,504	42,612
Income taxes payable	928	9,394
Total current liabilities	701,300	756,340
Long-term deferred revenue	6,928	7,292
Other liabilities	49,884	59,762
Total liabilities	758,112	823,394
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, $0.0001 par value, 10,000,000 shares authorized	0	0
Additional paid-in capital	956,060	859,345
Accumulated other comprehensive loss	(9)	(978)
Retained earnings (accumulated deficit)	(132,112)	140,142
Total stockholders’ equity	823,963	998,532
Total liabilities and stockholders’ equity	1,582,075	1,821,926
Common Class A [Member]
Stockholders’ equity:
Common stock	21	18
Common Class B [Member]
Stockholders’ equity:
Common stock	$ 3	$ 5