Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 1,095,265	$ 649,950
Marketable securities	1,351,775	1,306,197
Accounts receivable, net of rebates and allowances of $6,711 and $9,120, respectively	447,252	331,777
Inventories	239,802	264,557
Prepaid expenses and other current assets	106,326	162,321
Total current assets	3,240,420	2,714,802
Property and equipment, net	40,188	75,355
Acquisition-related intangible assets, net	48,319	58,610
Goodwill	54,855	53,684
Investments	4,150	30,336
Operating lease right-of-use assets	91,903	0
Deferred tax assets	110,630	126,492
Other assets	29,360	22,704
TOTAL ASSETS	3,619,825	3,081,983
CURRENT LIABILITIES:
Accounts payable	78,600	93,757
Accrued liabilities	128,930	123,254
Deferred revenue	291,384	358,586
Other current liabilities	49,275	30,907
Total current liabilities	548,189	606,504
Income taxes payable	60,278	36,167
Operating lease liabilities, non-current	87,099	0
Finance lease liabilities, non-current	0	35,431
Deferred revenue, non-current	237,628	228,641
Other long-term liabilities	30,627	31,851
TOTAL LIABILITIES	963,821	938,594
Commitments and contingencies (Note 7)
STOCKHOLDERS’ EQUITY:
Preferred stock, $0.0001 par value—100,000 shares authorized and no shares issued and outstanding as of September 30, 2019 and December 31, 2018	0	0
Common stock, $0.0001 par value—1,000,000 shares authorized as of September 30, 2019 and December 31, 2018; 76,368 and 75,668 shares issued and outstanding as of September 30, 2019 and December 31, 2018	8	8
Additional paid-in capital	1,076,732	956,572
Retained earnings	1,579,063	1,190,803
Accumulated other comprehensive income (loss)	201	(3,994)
TOTAL STOCKHOLDERS’ EQUITY	2,656,004	2,143,389
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 3,619,825	$ 3,081,983