Income Taxes (Tables)

12 Months Ended

Feb. 02, 2020

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
	2018		2019		2020
Domestic	$	(117,391)	$	(145,428)	$	(212,672)
International	(38,598)		(31,845)		18,006
Total	$	(155,989)	$	(177,273)	$	(194,666)

Schedule of Components of Provision for Income Taxes

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

	Fiscal Year Ended
	2018		2019		2020
Current:
State	$	525	$	571	$	538
Foreign	3,580		4,214		7,774
Total	$	4,105	$	4,785	$	8,312
Deferred:
Federal	$	—	$	(2,776)	$	(1,559)
State	—		(920)		(198)
Foreign	(216)		—		(234)
Total	$	(216)	$	(3,696)	$	(1,991)
Provision for income taxes	$	3,889	$	1,089	$	6,321

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

The reconciliation of the federal statutory income tax rate and effective income tax rate is as follows (in thousands):

	Fiscal Year Ended
	2018		2019		2020
Tax at federal statutory rate	$	(51,314)	$	(37,227)	$	(40,880)
State tax, net of federal benefit	351		(469)		210
Stock-based compensation expense	(9,953)		(28,437)		(6,683)
Research and development tax credits	(7,629)		(10,371)		(11,033)
Foreign rate differential	18,667		12,299		2,935
Change in valuation allowance	(44,784)		85,533		61,050
Foreign on-shoring intellectual property	—		(20,371)		—
Remeasurement of deferred tax assets and liabilities due to tax reform	97,280		—		—
Other	1,271		132		722
Provision for income taxes	$	3,889	$	1,089	$	6,321

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
	2019		2020
Deferred tax assets:
Net operating loss carryforwards	$	189,117	$	232,155
Tax credit carryover	50,848		76,209
Accruals and reserves	12,506		11,489
Deferred revenue	43,579		60,473
Stock-based compensation expense	31,743		31,906
Depreciation and amortization	23,545		18,893
Charitable contribution carryforwards	2,850		2,835
ASC 842 lease liabilities	—		25,197
Other	81		—
Total deferred tax assets	$	354,269	$	459,157
Valuation allowance	(307,475)		(385,791)
Total deferred tax assets, net of valuation allowance	$	46,794	$	73,366
Deferred tax liabilities:
Deferred commissions	$	(27,537)	$	(30,628)
Convertible debt	(14,230)		(11,226)
ASC 842 right-of-use assets	—		(23,502)
Acquired intangibles and goodwill	(3,967)		(10,421)
Other	—		(1,729)
Total deferred tax liabilities	$	(45,734)	$	(77,506)
Net deferred tax assets (liabilities)	$	1,060	$	(4,140)

Summary of Activity Related to Unrecognized Tax Benefits

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

	Fiscal Year Ended
	2018		2019		2020
Gross unrecognized tax benefits—beginning balance	$	6,375	$	12,401	$	18,891
Decreases related to tax positions taken during prior years	(24)		(845)		(34)
Increases related to tax positions taken during prior years	619		—		408
Increases related to tax positions taken during current year	5,431		7,335		9,305
Gross unrecognized tax benefits—ending balance	$	12,401	$	18,891	$	28,570