Fair Value Measurements (Tables)

3 Months Ended

Jul. 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 July 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	$	175,998	$	—	$	—	$	175,998	$	43,401	$	—	$	—	$	43,401
Commercial paper	—		5,400		—		5,400		—		—		—		—
Corporate debt securities	—		50		—		50		—		—		—		—
Available-for-sale marketable securities:
U.S. treasury securities	—		1,999		—		1,999		—		57,998		—		57,998
Certificates of deposit	—		368,865		—		368,865		—		422,978		—		422,978
Commercial paper	—		430,191		—		430,191		—		494,676		—		494,676
Corporate debt securities	—		24,156		—		24,156		—		2,368		—		2,368
Total cash equivalents and available-for-sale marketable securities	$	175,998	$	830,661	$	—	$	1,006,659	$	43,401	$	978,020	$	—	$	1,021,421