XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.21.2

Equity Method Investments and Related-Party Transactions - Additional Information (Detail) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2017 | Mar. 31, 2021 | Apr. 30, 2021
Euro​ Infrastructure​ Co Step Acquisition [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Percentage of additional interest in subsidiary acquired |  |  | 51.00%
Euro Infrastructure Co [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Payments, net of transaction costs, to acquire the issued shares in investment | $ 139.5 |  |
Equity method investment ownership percentage | 49.00% |  |
Maximum useful life of intangible assets basis difference, years |  | 11 years |
Weighted average useful life of intangible assets basis difference, years |  | 10 years |
Maximum useful life of tangible assets basis difference, years |  | 11 years |
Weighted average useful life of tangible assets basis difference, years |  | 11 years |
Retained earnings of undistributed cumulative earnings in equity interests, net of tax |  |  | $ 10.4

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of consolidated retained earnings that represent undistributed (not yet received) earnings from 50% or less owned persons accounted for by the equity method (equity method investees). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6462270&loc=d3e57205-112772 + Details
Name: | us-gaap_RetainedEarningsUndistributedEarningsFromEquityMethodInvestees
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of voting equity interests acquired in a business combination achieved in stages, excluding equity interests in the acquiree held by the acquirer immediately before the acquisition date. + References No definition available. + Details
Name: | vsat_BusinessCombinationsStepAcquisitionEquityInterestInAcquireeAcquisitionPercentage
Namespace Prefix: | vsat_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The maximum useful life of the basis difference assigned to finite-lived intangible assets in 'PnYnMdDTnHnMnS' format (the basis difference defined as the difference between the amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee). + References No definition available. + Details
Name: | vsat_IntangibleAssetsBasisDifferenceMaximumUsefulLife
Namespace Prefix: | vsat_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average amortization period of the basis difference assigned to finite-lived intangible assets, in 'PnYnMdDTnHnMnS' format (the basis difference defined as the difference between the amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee). + References No definition available. + Details
Name: | vsat_IntangibleAssetsBasisDifferenceWeightedAverageUsefulLife
Namespace Prefix: | vsat_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net of transaction cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References No definition available. + Details
Name: | vsat_PaymentsToAcquireEquityMethodInvestmentsNetOfTransactionCosts
Namespace Prefix: | vsat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The maximum useful life of the portion of the basis difference assigned to tangible assets, in 'PnYnMdDTnHnMnS' format (the basis difference defined as the difference between the amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee). + References No definition available. + Details
Name: | vsat_TangibleAssetsBasisDifferenceMaximumUsefulLife
Namespace Prefix: | vsat_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average amortization period of the basis difference assigned to tangible assets, in 'PnYnMdDTnHnMnS' format (the basis difference defined as the difference between the amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee). + References No definition available. + Details
Name: | vsat_TangibleAssetsBasisDifferenceWeightedAverageUsefulLife
Namespace Prefix: | vsat_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=vsat_EuroInfrastructureCoStepAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=vsat_EuroInfrastructureCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |