Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2019	Jan. 31, 2019
Current assets:
Cash and cash equivalents	$ 287,192	$ 447,990
Marketable securities	878,958	749,482
Accounts receivable, net of allowance of $660 and $642 as of January 31, 2019 and April 30, 2019	311,843	378,729
Inventory	45,936	44,687
Deferred commissions, current	28,532	29,244
Prepaid expenses and other current assets	54,570	51,695
Total current assets	1,607,031	1,701,827
Property and equipment, net	129,185	125,353
Operating lease right-of-use-assets	120,446	0
Deferred commissions, non-current	84,725	85,729
Intangible assets, net	57,220	20,118
Goodwill	36,407	10,997
Deferred income taxes, non-current	1,118	1,060
Restricted cash	16,286	15,823
Other assets, non-current	16,771	12,118
Total assets	2,069,189	1,973,025
Current liabilities:
Accounts payable	75,481	103,462
Accrued compensation and benefits	48,166	99,910
Accrued expenses and other liabilities	47,392	39,860
Operating lease liabilities, current	25,761	0
Deferred revenue, current	283,160	266,584
Total current liabilities	479,960	509,816
Convertible senior notes, net	456,318	449,828
Operating lease liabilities, non-current	101,112	0
Deferred revenue, non-current	281,070	269,336
Other liabilities, non-current	6,753	6,265
Total liabilities	1,325,213	1,235,245
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, par value of $0.0001 per share— 20,000 shares authorized as of January 31, 2019 and April 30, 2019; no shares issued and outstanding as of January 31, 2019 and April 30, 2019	0	0
Class A and Class B common stock, par value of $0.0001 per share— 2,250,000 (Class A 2,000,000, Class B 250,000) shares authorized as of January 31, 2019 and April 30, 2019; 243,524 and 252,853 Class A shares issued and outstanding as of January 31, 2019 and April 30, 2019	25	24
Additional paid-in capital	1,924,947	1,820,043
Accumulated other comprehensive income (loss)	1,289	(338)
Accumulated deficit	(1,182,285)	(1,081,949)
Total stockholders’ equity	743,976	737,780
Total liabilities and stockholders’ equity	$ 2,069,189	$ 1,973,025