Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 854,479	$ 567,923
Marketable securities	488,635	299,910
Accounts receivable, net of allowances of $7,495 and $1,521, respectively	212,611	253,119
Inventories	333,157	236,490
Prepaid expenses and other current assets	186,657	168,684
Total current assets	2,075,539	1,526,126
Property and equipment, net	73,061	76,961
Investments	36,136	36,136
Deferred tax assets	95,697	70,960
Other assets	21,277	18,824
TOTAL ASSETS	2,301,710	1,729,007
CURRENT LIABILITIES:
Accounts payable	32,893	79,457
Accrued liabilities	94,459	90,951
Deferred revenue	423,705	273,350
Other current liabilities	16,490	15,795
Total current liabilities	567,547	459,553
Income taxes payable	22,161	14,498
Lease financing obligations, non-current	38,199	39,593
Deferred revenue, non-current	141,440	99,585
Other long-term liabilities	7,811	7,958
TOTAL LIABILITIES	777,158	621,187
Commitments and contingencies
STOCKHOLDERS’ EQUITY:
Preferred stock, $0.0001 par value—100,000 shares authorized, no shares issued and outstanding as of September 30, 2017 and December 31, 2016	0	0
Common stock, $0.0001 par value—1,000,000 shares authorized as of September 30, 2017 and December 31, 2016; 73,067 and 70,811 shares issued and outstanding as of September 30, 2017 and December 31, 2016, respectively	7	7
Additional paid-in capital	770,339	674,183
Retained earnings	755,281	435,105
Accumulated other comprehensive loss	(1,075)	(1,475)
TOTAL STOCKHOLDERS’ EQUITY	1,524,552	1,107,820
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 2,301,710	$ 1,729,007