Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 31, 2018	Jan. 31, 2018	[1]
Current assets:
Cash and cash equivalents	$ 370,457	$ 244,057
Marketable securities	736,205	353,289
Accounts receivable, net of allowance of $1,062 and $957 as of January 31, 2018 and July 31, 2018	242,409	243,001
Inventory	41,673	34,497
Deferred commissions, current	23,521	21,088
Prepaid expenses and other current assets	36,071	47,552
Total current assets	1,450,336	943,484
Property and equipment, net	101,718	89,142
Intangible assets, net	4,305	5,057
Deferred income taxes, non-current	1,534	1,060
Restricted cash	15,778	14,763
Deferred commissions, non-current	67,948	66,225
Other assets, non-current	4,610	4,264
Total assets	1,646,229	1,123,995
Current liabilities:
Accounts payable	68,058	84,420
Accrued compensation and benefits	51,654	59,898
Accrued expenses and other liabilities	27,049	26,829
Deferred revenue, current	213,100	191,229
Liability related to early exercised stock options	0	320
Total current liabilities	359,861	362,696
Convertible senior notes, net	436,687	0
Deferred revenue, non-current	200,147	182,873
Other liabilities, non-current	5,140	4,025
Total liabilities	1,001,835	549,594
Commitments and contingencies (Note 6)
Stockholders’ equity:
Preferred stock, par value of $0.0001 per share— 20,000 shares authorized as of January 31, 2018 and July 31, 2018; no shares issued and outstanding as of January 31, 2018 and July 31, 2018	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, 2018 and July 31, 2018; 220,979 (Class A 129,502, Class B 91,477) and 235,412 (Class A 204,052, Class B 31,360) shares issued and outstanding as of January 31, 2018 and July 31, 2018	24	22
Additional paid-in capital	1,675,210	1,479,883
Accumulated other comprehensive loss	(2,826)	(1,917)
Accumulated deficit	(1,028,014)	(903,587)
Total stockholders’ equity	644,394	574,401
Total liabilities and stockholders’ equity	$ 1,646,229	$ 1,123,995

[1] *Prior period information has been adjusted to reflect the adoption impact of Accounting Standards Codification 606, Revenue from Contracts with Customers (ASC 606), which we adopted on February 1, 2018.