XML 33 R23.htm IDEA: XBRL DOCUMENT v3.21.2

Fair Value of Financial Instruments (Tables)

3 Months Ended

Oct. 31, 2021

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):

			October 31, 2021
			Amortized Cost						Unrealized Gains						Unrealized Losses						Estimated Fair Value
U.S. Government agency securities			$	37,672					$	1					$	(71)					$	37,602
Commercial paper			327,355						—						—						327,355
Corporate bonds			372,970						335						(422)						372,883
U.S. Government bonds			62,321						36						(192)						62,165
Asset-backed securities			48,778						8						(33)						48,753
Foreign government bonds			43,586						7						(27)						43,566
Municipal bonds			205						—						—						205
Certificates of deposit			82,151						—						—						82,151
Money market funds			66,523						—						—						66,523
Strategic convertible debt investment*			1,000						—						—						1,000
Total			$	1,042,561					$	387					$	(745)					$	1,042,203

*At original cost

			July 31, 2021
			Amortized Cost						Unrealized Gains						Unrealized Losses						Estimated Fair Value
U.S. Government agency securities			$	85,165					$	15					$	—					$	85,180
Commercial paper			389,837						—						—						389,837
Corporate bonds			371,374						623						(37)						371,960
U.S. Government bonds			64,401						62						(1)						64,462
Asset-backed securities			47,925						29						(7)						47,947
Foreign government bonds			33,177						10						(2)						33,185
Municipal bonds			1,685						—						—						1,685
Certificates of deposit			82,250						—						—						82,250
Money market funds			125,118						—						—						125,118
Strategic convertible debt investment*			1,000						—						—						1,000
Total			$	1,201,932					$	739					$	(47)					$	1,202,624

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):

			October 31, 2021
			Less Than 12 Months						12 Months or Greater												Total
U.S. Government agency securities			$	10,000					$	27,602											$	37,602
Commercial paper			327,355						—												327,355
Corporate bonds			205,968						166,915												372,883
U.S. Government bonds			17,429						44,736												62,165
Asset-backed securities			3,891						44,862												48,753
Foreign government bonds			33,045						10,521												43,566
Municipal bonds			—						205												205
Certificates of deposit			79,151						3,000												82,151
Money market funds			66,523						—												66,523
Strategic convertible debt investment			$	1,000					$	—											$	1,000
Total			$	744,362					$	297,841											$	1,042,203

Fair Value, Assets Measured on 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):

			October 31, 2021
			Level 1						Level 2						Level 3						Total
Cash equivalents:
Commercial paper			$	—					$	75,677					$	—					$	75,677
Money market funds			66,523						—						—						66,523
Total cash equivalents			66,523						75,677						—						142,200
Short-term investments:
U.S. Government agency securities			—						10,000						—						10,000
Commercial paper			—						251,678						—						251,678
Corporate bonds			—						205,968						—						205,968
U.S. Government bonds			—						17,429						—						17,429
Asset-backed securities			—						3,891						—						3,891
Foreign government bonds			—						33,045						—						33,045
Certificates of deposit			—						79,151						—						79,151
Strategic convertible debt investment			—						—						1,000						1,000
Total short-term investments			—						601,162						1,000						602,162
Long-term investments:
U.S. Government agency securities			—						27,602						—						27,602
Corporate bonds			—						166,915						—						166,915
U.S. Government bonds			—						44,736						—						44,736
Asset-backed securities			—						44,862						—						44,862
Foreign government bonds			—						10,521						—						10,521
Certificates of deposit			—						3,000						—						3,000
Municipal bonds			—						205						—						205
Total long-term investments			—						297,841						—						297,841
Total			$	66,523					$	974,680					$	1,000					$	1,042,203

			July 31, 2021
			Level 1						Level 2						Level 3						Total
Cash equivalents:
Commercial paper			$	—					$	115,825					$	—					$	115,825
Money market funds			125,118						—						—						125,118
Total cash equivalents			125,118						115,825						—						240,943
Short-term investments:
U.S. Government agency securities			—						69,183						—						69,183
Commercial paper			—						274,012						—						274,012
Corporate bonds			—						225,384						—						225,384
U.S. Government bonds			—						45,320						—						45,320
Asset-backed securities			—						9,036						—						9,036
Foreign government bonds			—						28,353						—						28,353
Certificates of deposit			—						80,750						—						80,750
Municipal bonds									1,480												1,480
Strategic convertible debt investment															1,000						1,000
Total short-term investments			—						733,518						1,000						734,518
Long-term investments:
U.S. Government agency securities			—						15,997						—						15,997
Corporate bonds			—						146,576						—						146,576
U.S. Government bonds			—						19,142						—						19,142
Asset-backed securities			—						38,911						—						38,911
Foreign government bonds			—						4,832						—						4,832
Certificates of deposit			—						1,500						—						1,500
Municipal bonds									205												205
Total long-term investments			—						227,163						—						227,163
Total			$	125,118					$	1,076,506					$	1,000					$	1,202,624

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://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=123874694&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=123874694&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration