Cash Equivalents and Marketable Securities (Tables)

12 Months Ended

Apr. 30, 2024

Investments, Debt and Equity Securities [Abstract]

Schedule of Cash Equivalents and Available-For-Sale Marketable Securities and Balance Sheet Classification

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

	As of April 30, 2024								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	$	82,564	$	—	$	—	$	82,564	$	75,293	$	—	$	—	$	75,293
Commercial paper	18,769		—		—		18,769		112,851		—		—		112,851
U.S. treasury securities	5,888		—		—		5,888		—		—		—		—
Certificates of deposit	—		—		—		—		2,000		—		—		2,000
Available-for-sale marketable securities:
U.S. treasury securities	2,497		—		—		2,497		27,445		1		(49)		27,397
Certificates of deposit	62,017		—		—		62,017		61,025		—		—		61,025
U.S. government agencies securities	46,527		5		(104)		46,428		75,650		111		(87)		75,674
Commercial paper	162,183		—		—		162,183		184,230		—		—		184,230
Corporate debt securities	310,557		64		(526)		310,095		179,608		115		(476)		179,247
Total cash equivalents and available-for-sale marketable securities	$	691,002	$	69	$	(630)	$	690,441	$	718,102	$	227	$	(612)	$	717,717

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

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

	As of April 30, 2024				As of April 30, 2023
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Within one year	$	514,747	$	514,484	$	446,629	$	446,155
After one year through five years	69,034		68,736		81,329		81,418
Total	$	583,781	$	583,220	$	527,958	$	527,573

Summary of Fair Values and Unrealized Losses of Available-For-Sale Marketable Securities In Continuous Unrealized Loss Position

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 April 30, 2024 and 2023 (in thousands):

	As of April 30, 2024
	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	$	—	$	2,497	$	—	$	—	$	—	$	2,497
U.S. government agencies securities	(99)		33,890		(6)		7,749		$	(105)	$	41,639
Commercial paper	—		4,058		—		—		$	—	$	4,058
Corporate debt securities	(491)		196,907		(34)		27,658		$	(525)	$	224,565
Total	$	(590)	$	237,352	$	(40)	$	35,407	$	(630)	$	272,759

	As of April 30, 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	$	(49)	$	18,927	$	—	$	—	$	(49)	$	18,927
U.S. government agencies securities	(66)		12,263		(21)		16,858		(87)		29,121
Commercial paper	—		6,735		—		—		—		6,735
Corporate debt securities	(441)		107,316		(36)		16,577		(476)		123,893
Total	$	(556)	$	145,241	$	(57)	$	33,435	$	(612)	$	178,676