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Fair Value of Financial Instruments (Tables)

12 Months Ended

Jul. 31, 2025

Fair Value Disclosures [Abstract]

Schedule of Available-for-sale Securities Reconciliation

Available-for-sale investments within cash equivalents and investments consist of the following (in thousands):

			July 31, 2025
			Amortized Cost						Unrealized Gains						Unrealized Losses						Estimated Fair Value
Asset-backed securities			$	69,405					$	69					$	(17)					$	69,457
Certificates of deposit			80,970						—						—						80,970
Commercial paper			130,628						—						—						130,628
Corporate bonds			424,791						545						(138)						425,198
Foreign government bonds			1,820						11						—						1,831
Money market funds			488,854						—						—						488,854
U.S. Government agency securities			66,184						15						(70)						66,129
U.S. Government bonds			64,187						36						(39)						64,184
Total			$	1,326,839					$	676					$	(264)					$	1,327,251

			July 31, 2024
			Amortized Cost						Unrealized Gains						Unrealized Losses						Estimated Fair Value
Asset-backed securities			$	58,812					$	116					$	(61)					$	58,867
Certificates of deposit			46,900						—						—						46,900
Commercial paper			138,598						—						—						138,598
Corporate bonds			245,817						564						(107)						246,274
Foreign government bonds			5,590						21						(15)						5,596
Money market funds			360,881						—						—						360,881
U.S. Government agency securities			33,499						12						(12)						33,499
U.S. Government bonds			89,928						72						(117)						89,883
Total			$	980,025					$	785					$	(312)					$	980,498

Investments Classified by Contractual Maturity Date

The following table summarizes the contractual maturities of the Company’s available-for-sale investments measured at fair value (in thousands):

			July 31, 2025
			Less Than 12 Months						12 Months or Greater						Total
Asset-backed securities			$	11,393					$	58,064					$	69,457
Certificates of deposit			80,970						—						80,970
Commercial paper			130,628						—						130,628
Corporate bonds			220,890						204,308						425,198
Foreign government bonds			1,831						—						1,831
Money market funds			488,854						—						488,854
U.S. Government agency securities			13,188						52,941						66,129
U.S. Government bonds			45,743						18,441						64,184
Total			$	993,497					$	333,754					$	1,327,251

Company's financial instruments measured at fair value on a recurring basis

The following tables summarize the Company’s available-for-sale investments measured at fair value, by level within the fair value hierarchy (in thousands):

			July 31, 2025
			Level 1						Level 2						Level 3						Total
Cash equivalents:
Commercial paper			$	—					$	53,102					$	—					$	53,102
Money market funds			488,854						—						—						488,854
Total cash equivalents			488,854						53,102						—						541,956
Short-term investments:
Asset-backed securities			—						11,393						—						11,393
Certificates of deposit			—						80,970						—						80,970
Commercial paper			—						77,526						—						77,526
Corporate bonds			—						220,890						—						220,890
Foreign government bonds			—						1,831						—						1,831
U.S. Government agency securities			—						13,188						—						13,188
U.S. Government bonds			—						45,743						—						45,743
Total short-term investments			—						451,541						—						451,541
Long-term investments:
Asset-backed securities			—						58,064						—						58,064
Corporate bonds			—						204,308						—						204,308
U.S. Government agency securities			—						52,941						—						52,941
U.S. Government bonds			—						18,441						—						18,441
Total long-term investments			—						333,754						—						333,754
Total			$	488,854					$	838,397					$	—					$	1,327,251

			July 31, 2024
			Level 1						Level 2						Level 3						Total
Cash equivalents:
Commercial paper			$	—					$	38,156					$	—					$	38,156
Money market funds			360,881						—						—						360,881
Total cash equivalents			360,881						38,156						—						399,037
Short-term investments:
Asset-backed securities			—						18,826						—						18,826
Certificates of deposit			—						46,900						—						46,900
Commercial paper			—						100,442						—						100,442
Corporate bonds			—						177,081						—						177,081
Foreign government bonds			—						3,756						—						3,756
U.S. Government agency securities			—						32,605						—						32,605
U.S. Government bonds			—						75,966						—						75,966
Total short-term investments			—						455,576						—						455,576
Long-term investments:
Asset-backed securities			—						40,041						—						40,041
Corporate bonds			—						69,193						—						69,193
Foreign government bonds			—						1,840						—						1,840
U.S. Government agency securities			—						894						—						894
U.S. Government bonds			—						13,917						—						13,917
Total long-term investments			—						125,885						—						125,885
Total			$	360,881					$	619,617					$	—					$	980,498

X

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

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- Definition

Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.

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