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Fair Value Measurements (Tables)

6 Months Ended

Jan. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of Amortized Cost, Gross Unrealized Gains (Losses) and Fair Value of Available-for-sale Investments

The following table sets forth the amortized cost, gross unrealized gains, gross unrealized losses and fair values of our short-term and long-term investments accounted for as available-for-sale securities as of January 30, 2021, and August 1, 2020:

						January 30, 2021																								August 1, 2020
(in thousands)						Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value						Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value
Financial Assets:
Investments:
U.S. Treasury securities						$	70,193					$	204					$	—					$	70,397					$	67,335					$	516					$	(1)					$	67,850
Certificates of deposit						11,350						—						—						11,350						6,150						—						—						6,150
Commercial paper						41,987						—						—						41,987						35,331						—						—						35,331
Asset-backed securities						22,832						118						(4)						22,946						44,854						410						(4)						45,260
Corporate bonds						82,398						276						(2)						82,672						82,821						723						(1)						83,543
Total						$	228,760					$	598					$	(6)					$	229,352					$	236,491					$	1,649					$	(6)					$	238,134

Schedule of Fair Value of Available-for-sale Securities By Contractual Maturity

The following table sets forth the fair value of available-for-sale securities by contractual maturity as of January 30, 2021, and August 1, 2020:

						January 30, 2021																								August 1, 2020
(in thousands)						One Year or Less						Over One Year Through Five Years						Over Five Years						Total						One Year or Less						Over One Year Through Five Years						Over Five Years						Total
Financial Assets:
Investments:
U.S. Treasury securities						$	70,397					$	—					$	—					$	70,397					$	38,794					$	29,056					$	—					$	67,850
Certificates of deposit						11,350						—						—						11,350						6,150						—						—						6,150
Commercial paper						41,987						—						—						41,987						35,331						—						—						35,331
Asset-backed securities						6,095						16,851						—						22,946						6,657						38,603						—						45,260
Corporate bonds						37,128						45,544						—						82,672						56,105						27,438						—						83,543
Total						$	166,957					$	62,395					$	—					$	229,352					$	143,037					$	95,097					$	—					$	238,134

Schedule of Short-term and Long-term Investments Accounted for as Available-for-sale Measured at Fair Value on Recurring Basis

The following table sets forth our cash equivalents, and short-term and long-term investments accounted for as available-for-sale securities that were measured at fair value on a recurring basis based on the fair value hierarchy as of January 30, 2021, and August 1, 2020:

						January 30, 2021																								August 1, 2020
(in thousands)						Level 1						Level 2						Level 3						Total						Level 1						Level 2						Level 3						Total
Financial Assets:
Cash equivalents:
Money market funds						$	4,504					$	—					$	—					$	4,504					$	2,394					$	—					$	—					$	2,394
U.S Treasury securities						7,228						—						—						7,228						—						—						—						—
Investments:
U.S. Treasury securities						70,397						—						—						70,397						67,850						—						—						67,850
Certificates of deposit						—						11,350						—						11,350						—						6,150						—						6,150
Commercial paper						—						41,987						—						41,987						—						35,331						—						35,331
Asset-backed securities						—						22,946						—						22,946						—						45,260						—						45,260
Corporate bonds						—						82,672						—						82,672						—						83,543						—						83,543
Total						$	82,129					$	158,955					$	—					$	241,084					$	70,244					$	170,284					$	—					$	240,528

X

- Definition

Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI http://asc.fasb.org/topic&trid=2196928

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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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- Definition

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

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