XML 81 R37.htm IDEA: XBRL DOCUMENT
v3.20.1

The Company and a Summary of Its Significant Accounting Policies - Additional Information (Detail 1) | 12 Months Ended
--- | ---
Mar. 31, 2020
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-04-01 |
Company And Summary Of Significant Accounting Policies [Line Items] |
Revenue, remaining performance obligation, expected timing of satisfaction, explanation | Company expects to recognize a little over half over the next twelve months, with the balance recognized thereafter

X
- Definition Description of when remaining performance obligation is expected to be recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130556-203045 + Details
Name: | us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionExplanation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Extended 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: | vsat_CompanyAndSummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | vsat_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2020-04-01
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |