XML 63 R53.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Segment Information - Other Acquired Intangible Assets, Net and Goodwill Included in Segment Assets and Amortization of Acquired Intangible Assets by Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Mar. 31, 2018
Segment Reporting Information [Line Items] |  |  |
Other acquired intangible assets, net | $ 28,558 |  | $ 31,862
Goodwill | 122,455 |  | 121,085
Amortization of acquired intangible assets | 2,453 | $ 3,260 |
Operating Segments [Member] | Satellite Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Other acquired intangible assets, net | 14,449 |  | 16,580
Goodwill | 13,763 |  | 13,991
Amortization of acquired intangible assets | 1,305 | 2,093 |
Operating Segments [Member] | Commercial Networks [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Other acquired intangible assets, net | 2,955 |  | 3,340
Goodwill | 43,937 |  | 44,011
Amortization of acquired intangible assets | 385 | 407 |
Operating Segments [Member] | Government Systems [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Other acquired intangible assets, net | 11,154 |  | 11,942
Goodwill | 64,755 |  | $ 63,083
Amortization of acquired intangible assets | $ 763 | $ 760 |

X
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate expense charged against earnings to allocate the cost of acquired intangible assets. + References No definition available. + Details
Name: | vsat_AmortizationOfAcquiredIntangibleAsset
Namespace Prefix: | vsat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vsat_SatelliteServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vsat_CommercialNetworksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=vsat_GovernmentSystemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |