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Fair Value Measurements (Tables)

6 Months Ended

Jan. 31, 2020

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets Measured on Recurring Basis

Assets that are measured at fair value on a recurring basis consisted of the following as of January 31, 2020:

									Level I						Level II						Level III
			Fair Value						Quoted Prices in Active Markets for Identical Assets						Significant Other Observable Inputs						Significant Unobservable Inputs
Cash equivalents:			(in thousands)
Money market funds			$	42,374					$	42,374					$	—					$	—
U.S. government agency securities			1,500						—						1,500						—
Total			$	43,874					$	42,374					$	1,500					$	—
Short-term investments:
U.S. treasury securities			$	72,168					$	—					$	72,168					$	—
U.S. government agency securities			112,980						—						112,980						—
Corporate debt securities			123,232						—						123,232						—
Total			$	308,380					$	—					$	308,380					$	—
Total cash equivalents and short-term investments			$	352,254					$	42,374					$	309,880					$	—

Assets that are measured at fair value on a recurring basis consisted of the following as of July 31, 2019:

									Level I						Level II						Level III
			Fair Value						Quoted Prices in Active Markets for Identical Assets						Significant Other Observable Inputs						Significant Unobservable Inputs
Cash equivalents:			(in thousands)
Money market funds			$	55,036					$	55,036					$	—					$	—
Short-term investments:
U.S. treasury securities			$	125,281					$	—					$	125,281					$	—
U.S. government agency securities			64,646						—						64,646						—
Corporate debt securities			96,235						—						96,235						—
Total			$	286,162					$	—					$	286,162					$	—
Total cash equivalents and short-term investments			$	341,198					$	55,036					$	286,162					$	—

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- 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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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