Cash Equivalents and Marketable Securities (Tables)

6 Months Ended

Oct. 31, 2023

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 October 31, 2023								As of April 30, 2023
	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	$	104,258	$	—	$	—	$	104,258	$	75,293	$	—	$	—	$	75,293
U.S. treasury securities	1,989		—		—		1,989		—		—		—		—
Certificates of deposit	—		—		—		—		2,000		—		—		2,000
Commercial paper	21,810		—		—		21,810		112,851		—		—		112,851
Available-for-sale marketable securities:
U.S. treasury securities	4,921		—		—		4,921		27,445		1		(49)		27,397
Certificates of deposit	69,547		—		—		69,547		61,025		—		—		61,025
U.S. government agencies securities	58,655		6		(97)		58,564		75,650		111		(87)		75,674
Yankee bonds	2,240		—		(1)		2,239		—		—		—		—
Commercial paper	228,509		—		—		228,509		184,230		—		—		184,230
Corporate debt securities	250,163		19		(702)		249,480		179,608		115		(476)		179,247
Total cash equivalents and available-for-sale marketable securities	$	742,092	$	25	$	(800)	$	741,317	$	718,102	$	227	$	(612)	$	717,717

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 October 31, 2023				As of April 30, 2023
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Within one year	$	554,192	$	553,503	$	446,629	$	446,155
After one year through five years	59,843		59,757		81,329		81,418
Total	$	614,035	$	613,260	$	527,958	$	527,573

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 October 31, 2023 (in thousands):

	As of October 31, 2023
	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	$	—	$	4,921	$	—	$	—	$	—	$	4,921
U.S. government agencies securities	(97)		52,548		—		—		(97)		52,548
Yankee bonds	(1)		2,239		—		—		(1)		2,239
Commercial paper	—		2,497		—		—		—		2,497
Corporate debt securities	(665)		212,261		(37)		7,913		(702)		220,174
Total	$	(763)	$	274,466	$	(37)	$	7,913	$	(800)	$	282,379