Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 31, 2019	Jan. 31, 2019
Current assets:
Cash and cash equivalents	$ 304,346	$ 447,990
Marketable securities	936,969	749,482
Accounts receivable, net of allowance of $660 and $589 as of January 31, 2019 and October 31, 2019	362,115	378,729
Inventory	39,851	44,687
Deferred commissions, current	32,360	29,244
Prepaid expenses and other current assets	46,539	51,695
Total current assets	1,722,180	1,701,827
Property and equipment, net	130,236	125,353
Operating lease right-of-use assets	119,403
Deferred commissions, non-current	90,771	85,729
Intangible assets, net	61,028	20,118
Goodwill	36,420	10,997
Deferred income taxes, non-current	1,239	1,060
Restricted cash	15,287	15,823
Other assets, non-current	16,215	12,118
Total assets	2,192,779	1,973,025
Current liabilities:
Accounts payable	59,650	103,462
Accrued compensation and benefits	59,901	99,910
Accrued expenses and other liabilities	48,223	39,860
Operating lease liabilities, current	26,574
Deferred revenue, current	325,947	266,584
Total current liabilities	520,295	509,816
Convertible senior notes, net	470,014	449,828
Operating lease liabilities, non-current	100,023
Deferred revenue, non-current	317,251	269,336
Deferred tax liabilities, non-current	5,658	0
Other liabilities, non-current	1,588	6,265
Total liabilities	1,414,829	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 October 31, 2019; no shares issued and outstanding as of January 31, 2019 and October 31, 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 October 31, 2019; 243,524 and 259,920 Class A shares issued and outstanding as of January 31, 2019 and October 31, 2019	26	24
Additional paid-in capital	2,051,093	1,820,043
Accumulated other comprehensive income (loss)	5,116	(338)
Accumulated deficit	(1,278,285)	(1,081,949)
Total stockholders’ equity	777,950	737,780
Total liabilities and stockholders’ equity	$ 2,192,779	$ 1,973,025