Income Taxes (Tables)

12 Months Ended

Jan. 31, 2021

Income Tax Disclosure [Abstract]

Schedule Of Geographical Breakdown Of Loss Before Provision For Income Taxes

The geographical breakdown of loss before provision for income taxes is as follows (in thousands):

	Fiscal Year Ended
	2019		2020		2021
Domestic	$	(145,428)	$	(212,672)	$	(312,119)
International	(31,845)		18,006		41,959
Total	$	(177,273)	$	(194,666)	$	(270,160)

Schedule of Components of Provision for Income Taxes

The components of the provision for income taxes are as follows (in thousands):

	Fiscal Year Ended
	2019		2020		2021
Current:
State	$	571	$	538	$	442
Foreign	4,214		7,774		8,006
Total	$	4,785	$	8,312	$	8,448
Deferred:
Federal	$	(2,776)	$	(1,559)	$	(218)
State	(920)		(198)		—
Foreign	—		(234)		3,686
Total	$	(3,696)	$	(1,991)	$	3,468
Provision for income taxes	$	1,089	$	6,321	$	11,916

Reconciliation of the Federal Statutory Income Tax Rate and Effective Income Tax Rate

The reconciliation of income taxes at the federal statutory income tax rate to the provision for income taxes is as follows (in thousands):

	Fiscal Year Ended
	2019		2020		2021
Tax at federal statutory rate	$	(37,227)	$	(40,880)	$	(56,734)
State tax, net of federal benefit	(469)		210		349
Stock-based compensation expense	(28,437)		(6,683)		(604)
Research and development tax credits	(10,371)		(11,033)		(14,138)
U.S. taxes on foreign income	—		—		14,021
Foreign rate differential	12,299		2,935		2,282
Change in valuation allowance	85,533		61,050		63,146
Foreign on-shoring intellectual property	(20,371)		—		—
Other	132		722		3,594
Provision for income taxes	$	1,089	$	6,321	$	11,916

Significant Components of Deferred Tax Assets and Liabilities

The significant components of our deferred tax assets and liabilities were as follows (in thousands):

	At the End of Fiscal
	2020		2021
Deferred tax assets:
Net operating loss carryforwards	$	232,155	$	308,250
Tax credit carryover	76,209		104,247
Accruals and reserves	11,489		22,263
Deferred revenue	60,473		69,886
Stock-based compensation expense	31,906		28,310
Depreciation and amortization	18,893		120
Charitable contribution carryforwards	2,835		229
Interest expense limitation (163(j))	—		110
ASC 842 lease liabilities	25,197		33,302
Total deferred tax assets	$	459,157	$	566,717
Valuation allowance	(385,791)		(484,437)
Total deferred tax assets, net of valuation allowance	$	73,366	$	82,280
Deferred tax liabilities:
Deferred commissions	$	(30,628)	$	(41,526)
Convertible debt	(11,226)		(8,147)
ASC 842 right-of-use assets	(23,502)		(29,183)
Acquired intangibles and goodwill	(10,421)		(8,727)
Other	(1,729)		(2,230)
Total deferred tax liabilities	$	(77,506)	$	(89,813)
Net deferred tax liabilities	$	(4,140)	$	(7,533)

Summary of Activity Related to Unrecognized Tax Benefits

The activity related to the unrecognized tax benefits is as follows (in thousands):

	Fiscal Year Ended
	2019		2020		2021
Gross unrecognized tax benefits—beginning balance	$	12,401	$	18,891	$	28,570
Decreases related to tax positions taken during prior years	(845)		(34)		(345)
Increases related to tax positions taken during prior years	—		408		1,881
Increases related to tax positions taken during current year	7,335		9,305		9,465
Gross unrecognized tax benefits—ending balance	$	18,891	$	28,570	$	39,571