Fair Value Measurements (Tables)

12 Months Ended

Apr. 30, 2021

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 April 30, 2021								As of April 30, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	43,401	$	—	$	—	$	43,401	$	10,260	$	—	$	—	$	10,260
Available-for-sale marketable securities:
U.S. treasury securities	—		57,998		—		57,998		—		11,500		—		11,500
Certificates of deposit	—		422,978		—		422,978		—		28,477		—		28,477
U.S. government agencies securities	—		—		—		—		—		10,074		—		10,074
Commercial paper	—		494,676		—		494,676		—		94,397		—		94,397
Corporate debt securities	—		2,368		—		2,368		—		68,425		—		68,425
Total cash equivalents and available-for-sale marketable securities	$	43,401	$	978,020	$	—	$	1,021,421	$	10,260	$	212,873	$	—	$	223,133