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Cash Equivalents and Marketable Securities
 3 Months Ended
Jul. 31, 2024
Investments, Debt and Equity Securities [Abstract]  
Cash Equivalents and Marketable Securities Cash Equivalents and Marketable Securities
The following table summarizes the Company’s cash equivalents and available-for-sale marketable securities (in thousands):
As of July 31, 2024As of April 30, 2024
Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair ValueAmortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Cash equivalents:
Money market funds$82,660 $— $— $82,660 $82,564 $— $— $82,564 
Commercial paper14,340 — — 14,340 18,769 — — 18,769 
U.S. treasury securities2,745 — — 2,745 5,888 — — 5,888 
Corporate debt securities1,985 — — 1,985 — — — — 
Available-for-sale marketable securities:
U.S. treasury securities7,203 5 — 7,208 2,497 — — 2,497 
Certificates of deposit80,332 — — 80,332 62,017 — — 62,017 
U.S. government agencies securities46,579 74 (27)46,626 46,527 5 (104)46,428 
Commercial paper136,382 — — 136,382 162,183 — — 162,183 
Corporate debt securities357,849 453 (135)358,167 310,557 64 (526)310,095 
Total cash equivalents and available-for-sale marketable securities$730,075 $532 $(162)$730,445 $691,002 $69 $(630)$690,441 
The following table summarizes the Company’s available-for-sale marketable securities by contractual maturity (in thousands):
As of July 31, 2024As of April 30, 2024
Amortized CostFair ValueAmortized CostFair Value
Within one year$534,132 $534,185 $514,747 $514,484 
After one year through five years94,213 94,530 69,034 68,736 
Total$628,345 $628,715 $583,781 $583,220 
The following table summarizes the fair values and unrealized losses of the Company’s available-for-sale marketable securities classified by length of time that the securities have been in a continuous unrealized loss position but were not deemed to be other-than-temporarily impaired, as of July 31, 2024 (in thousands):
As of July 31, 2024
Less Than 12 Months12 Months or GreaterTotal
Unrealized LossesFair ValueUnrealized LossesFair ValueUnrealized LossesFair Value
U.S. government agencies securities$(26)$13,983 $— $— $(26)$13,983 
Commercial paper— 2,539 — — — 2,539 
Corporate debt securities(107)96,012 (29)40,027 (136)136,039 
Total$(133)$112,534 $(29)$40,027 $(162)$152,561 
As of July 31, 2023
Less Than 12 Months12 Months or GreaterTotal
Unrealized LossesFair ValueUnrealized LossesFair ValueUnrealized LossesFair Value
U.S. government agencies securities$(110)$37,729 $(8)$4,442 $(118)$42,171 
Commercial paper— 10,254 — — — 10,254 
Corporate debt securities(527)158,948 (156)39,968 (683)198,916 
Total$(637)$206,931 $(164)$44,410 $(801)$251,341 
As of July 31, 2024, the Company had 116 marketable securities in an unrealized loss position. As of April 30, 2024, the Company had 219 marketable securities that were in an unrealized loss position. The Company considers factors such as the duration, the magnitude and the reason for the decline in value, the potential recovery period, creditworthiness of the issuers of the securities and its intent to sell. For marketable securities, it also considers whether (i) it is more likely than not that the Company will be required to sell the debt securities before recovery of their amortized cost basis, and (ii) the amortized cost basis cannot be recovered as a result of credit losses. No significant facts or circumstances have arisen to indicate that there has been any significant deterioration in the creditworthiness of the issuers of the securities held by the Company. The decline in fair value below amortized cost basis was not considered other-than-temporary as it is more likely than not that the Company will hold the securities until maturity or a recovery of the cost basis, and no significant credit-related impairment losses were recorded as of July 31, 2024.