Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 31, 2019	Jan. 31, 2019
Current assets:
Cash and cash equivalents	$ 268,938	$ 447,990
Marketable Securities	913,521	749,482
Accounts receivable, net of allowance of $660 and $614 as of January 31, 2019 and July 31, 2019	352,617	378,729
Inventory	35,820	44,687
Deferred commissions, current	31,273	29,244
Prepaid expenses and other current assets	47,776	51,695
Total current assets	1,649,945	1,701,827
Property and equipment, net	131,048	125,353
Operating lease right-of-use assets	114,339	0
Deferred commissions, non-current	87,295	85,729
Intangible assets, net	63,659	20,118
Goodwill	36,420	10,997
Deferred income taxes, non-current	939	1,060
Restricted cash	15,425	15,823
Other assets, non-current	16,904	12,118
Total assets	2,115,974	1,973,025
Current liabilities:
Accounts payable	64,582	103,462
Accrued compensation and benefits	70,753	99,910
Accrued expenses and other liabilities	44,690	39,860
Operating lease liabilities, current	26,005	0
Deferred revenue, current	308,523	266,584
Total current liabilities	514,553	509,816
Convertible senior notes, net	463,118	449,828
Operating lease liabilities, non-current	94,941	0
Deferred revenue, non-current	298,740	269,336
Deferred tax liabilities, non-current	5,697	0
Other liabilities, non-current	1,386	6,265
Total liabilities	1,378,435	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 July 31, 2019; no shares issued and outstanding as of January 31, 2019 and July 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 July 31, 2019; 243,524 and 255,752 Class A shares issued and outstanding as of January 31, 2019 and July 31, 2019	26	24
Additional paid-in capital	1,982,407	1,820,043
Accumulated other comprehensive income (loss)	3,409	(338)
Accumulated deficit	(1,248,303)	(1,081,949)
Total stockholders’ equity	737,539	737,780
Total liabilities and stockholders’ equity	$ 2,115,974	$ 1,973,025