Investments (Tables)

3 Months Ended

Jul. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-For-Sale Debt Securities and Balance Sheet Classification

The following table summarizes the Company’s cash equivalents and available-for-sale marketable securities (in thousands):

	As of July 31, 2022								As of April 30, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Cash equivalents:
Money market funds	$	112,208	$	—	$	—	$	112,208	$	107,726	$	—	$	—	$	107,726
Certificates of deposit	5,000						5,000		3,000		—		—		3,000
Commercial paper	61,756		—		—		61,756		142,511		—		—		142,511
Corporate debt securities	1,779		—		—		1,779		8,889		—		(5)		8,884
Available-for-sale marketable securities:
U.S. treasury securities	12,795		—		(6)		12,789		12,764		—		(1)		12,763
Certificates of deposit	95,054		—		—		95,054		97,205		—		—		97,205
U.S. government agencies securities	22,307		—		(298)		22,009		14,113		—		(223)		13,890
Commercial paper	280,168		—		—		280,168		241,134		—		(2)		241,132
Corporate debt securities	308,306		5		(2,049)		306,262		289,646		20		(1,937)		287,729
Total cash equivalents and available-for-sale marketable securities	$	899,373	$	5	$	(2,353)	$	897,025	$	916,988	$	20	$	(2,168)	$	914,840

Summary of Available-For-Sale Debt Securities by Contractual Maturity

The following table summarizes the Company’s available-for-sale marketable securities by contractual maturity (in thousands):

	As of July 31, 2022				As of April 30, 2022
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Within one year	$	687,642	$	685,397	$	622,517	$	620,633
After one year through five years	30,988		30,885		32,345		32,086
Total	$	718,630	$	716,282	$	654,862	$	652,719

Summary of Available-For-Sale Marketable Securities, Fair Values and Unrealized Losses

The following table summarizes the fair values and unrealized losses of the Company’s available-for-sale marketable securities classified by length of time that the securities have been in a continuous unrealized loss position but were not deemed to be other-than-temporarily impaired, as of July 31, 2022 (in thousands):

	As of July 31, 2022
	Less Than 12 Months				12 Months or Greater				Total
	Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value
U.S. treasury securities	$	(6)	$	12,789	$	—	$	—	$	(6)	$	12,789
U.S. government agencies securities	(273)		18,443		(25)		3,566		(298)		22,009
Commercial paper	—		3,000		—		—		—		3,000
Corporate debt securities	(1,968)		276,734		(81)		16,605		(2,049)		293,339
Total	$	(2,247)	$	310,966	$	(106)	$	20,171	$	(2,353)	$	331,137