XML 108 R95.htm IDEA: XBRL DOCUMENT
v3.22.1

COMMITMENTS AND CONTINGENCIES - Narrative (Details) | 1 Months Ended | 3 Months Ended
--- | --- | ---
Jul. 31, 2020 USD ($) | Sep. 30, 2018 USD ($) | Oct. 31, 2017 USD ($) patent | Mar. 31, 2016 subsidiary patent | Mar. 31, 2022 USD ($)
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |
Number of subsidiary entities | subsidiary |  |  |  | 2 |
Number of patents allegedly infringed | patent |  |  | 3 | 5 |
Loss contingency, damages awarded, value |  | $ 2,800,000 |  |  |
Unconditional purchase obligation |  |  |  |  | $ 74,100,000
Pre-Suit Damages |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |
Loss contingency, damages awarded, value | $ 3,500,000 |  | $ 3,500,000 |  | 1,700,000
Post-Suit Damages |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |
Loss contingency, damages awarded, value | $ 2,250,000 |  | $ 2,250,000 |  | $ 1,100,000

X
- Definition Commitments and Contingencies Disclosure [Line Items] + References No definition available. + Details
Name: | ntct_CommitmentsAndContingenciesDisclosureLineItems
Namespace Prefix: | ntct_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Subsidiary Entities + References No definition available. + Details
Name: | ntct_NumberOfSubsidiaryEntities
Namespace Prefix: | ntct_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of damages awarded to the plaintiff in the legal matter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyDamagesAwardedValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of another entity's patents that the entity has allegedly infringed. + References No definition available. + Details
Name: | us-gaap_LossContingencyPatentsAllegedlyInfringedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=ntct_PreSuitDamagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=ntct_PostSuitDamagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |