Fair Value Measurements (Tables)

6 Months Ended

Oct. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of Assets Measured at Fair Value on a Recurring Basis

The following table summarizes the types of assets measured at fair value on a recurring basis by level within the fair value hierarchy (in thousands):

	As of October 31, 2021								As of April 30, 2021
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	98,392	$	—	$	—	$	98,392	$	43,401	$	—	$	—	$	43,401
Corporate debt securities	—		2,588		—		2,588		—		—		—		—
Available-for-sale marketable securities:
U.S. treasury securities	—		2,000		—		2,000		—		57,998		—		57,998
Certificates of deposit	—		338,490		—		338,490		—		422,978		—		422,978
U.S. government agencies securities	—		15,793		—		15,793		—		—		—		—
Commercial paper	—		388,190		—		388,190		—		494,676		—		494,676
Corporate debt securities	—		160,232		—		160,232		—		2,368		—		2,368
Total cash equivalents and available-for-sale marketable securities	$	98,392	$	907,293	$	—	$	1,005,685	$	43,401	$	978,020	$	—	$	1,021,421