Viasat (VSAT) 10-Q 9 Aug 19 2020 Q1 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	3 Months Ended
	Jun. 30, 2019	Jul. 26, 2019
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2019
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Trading Symbol	VSAT
Entity Registrant Name	VIASAT INC
Entity Central Index Key	0000797721
Entity Current Reporting Status	Yes
Current Fiscal Year End Date	--03-31
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		61,296,789
Entity File Number	000-21767
Entity Tax Identification Number	330174996
Entity Incorporation State Country Code	Delaware
Entity Address, Address Line One	6155 El Camino Real
Entity Address, City or Town	Carlsbad
Entity Address, Postal Zip Code	92009
Entity Address, State or Province	California
City Area Code	(760)
Local Phone Number	476-2200

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019
Current assets:
Cash and cash equivalents	$ 129,883	$ 261,701
Accounts receivable, net	303,619	300,307
Inventories	263,833	234,518
Prepaid expenses and other current assets	106,847	90,646
Total current assets	804,182	887,172
Operating lease right-of-use assets	320,227
Other acquired intangible assets, net	20,354	22,301
Goodwill	121,615	121,719
Other assets	779,863	758,805
Total assets	4,262,286	3,915,287
Current liabilities:
Accounts payable	145,544	157,275
Accrued and other liabilities	324,885	308,268
Current portion of long-term debt	19,652	19,937
Total current liabilities	490,081	485,480
Senior notes	1,283,746	1,282,898
Other long-term debt	99,210	110,005
Non-current operating lease liabilities	297,867
Other liabilities	118,090	120,826
Total liabilities	2,288,994	1,999,209
Commitments and contingencies (Note 9)
Viasat, Inc. stockholders’ equity
Common stock	6	6
Paid-in capital	1,726,009	1,656,819
Retained earnings	234,117	245,585
Accumulated other comprehensive income	3,099	5,338
Total Viasat, Inc. stockholders’ equity	1,963,231	1,907,748
Noncontrolling interest in subsidiary	10,061	8,330
Total equity	1,973,292	1,916,078
Total liabilities and equity	4,262,286	3,915,287
Property Plant and Equipment - Satellites [Member]
Current assets:
Property and equipment, net	1,274,672	1,215,663
Property Plant and Equipment - Excluding Satellites [Member]
Current assets:
Property and equipment, net	$ 941,373	$ 909,627

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Revenues:
Total revenues	$ 537,037	$ 438,869
Operating expenses:
Selling, general and administrative	125,132	112,642
Independent research and development	33,474	33,373
Amortization of acquired intangible assets	2,037	2,453
Loss from operations	(8,065)	(54,479)
Other income (expense):
Interest income	925	36
Interest expense	(11,174)	(11,324)
Loss before income taxes	(18,314)	(65,767)
Benefit from income taxes	7,210	29,205
Equity in income of unconsolidated affiliate, net	1,367	1,065
Net loss	(9,737)	(35,497)
Less: net income (loss) attributable to noncontrolling interests, net of tax	1,731	(1,487)
Net loss attributable to Viasat, Inc.	$ (11,468)	$ (34,010)
Basic net loss per share attributable to Viasat, Inc. common stockholders	$ (0.19)	$ (0.57)
Diluted net loss per share attributable to Viasat, Inc. common stockholders	$ (0.19)	$ (0.57)
Shares used in computing basic net loss per share	60,917	59,208
Shares used in computing diluted net loss per share	60,917	59,208
Comprehensive income (loss):
Net loss	$ (9,737)	$ (35,497)
Other comprehensive income (loss), net of tax:
Unrealized gain (loss) on hedging, net of tax	45	(326)
Foreign currency translation adjustments, net of tax	(2,284)	203
Other comprehensive loss, net of tax	(2,239)	(123)
Comprehensive loss	(11,976)	(35,620)
Less: comprehensive income (loss) attributable to noncontrolling interests, net of tax	1,731	(1,487)
Comprehensive loss attributable to Viasat, Inc.	(13,707)	(34,133)
Product [Member]
Revenues:
Total revenues	263,615	218,129
Operating expenses:
Cost of revenues	196,940	173,448
Service [Member]
Revenues:
Total revenues	273,422	220,740
Operating expenses:
Cost of revenues	$ 187,519	$ 171,432

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (9,737)	$ (35,497)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	68,802	63,793
Amortization of intangible assets	15,210	14,004
Stock-based compensation expense	21,227	19,126
Loss on disposition of fixed assets	13,134	12,549
Other non-cash adjustments	(5,367)	(29,148)
Increase (decrease) in cash resulting from changes in operating assets and liabilities, net of effect of acquisition:
Accounts receivable	(5,472)	24,125
Inventories	(29,252)	(22,245)
Other assets	(13,595)	(10,812)
Accounts payable	(3,869)	(386)
Accrued liabilities	(8,000)	12,226
Other liabilities	3,383	6,079
Net cash provided by operating activities	46,464	53,814
Cash flows from investing activities:
Purchase of property, equipment and satellites	(166,115)	(146,633)
Cash paid for patents, licenses and other assets	(21,936)	(12,155)
Proceeds from insurance claims on ViaSat-2 satellite	2,277			$ 185,700
Payment related to acquisition of business, net of cash acquired		(2,070)
Net cash used in investing activities	(185,774)	(160,858)
Cash flows from financing activities:
Payment of debt issuance costs	(2,479)
Proceeds from issuance of common stock under equity plans	24,377	7,655
Purchase of common stock in treasury (immediately retired) related to tax withholdings for stock-based compensation	(2,328)	(5,969)
Other financing activities	(255)	(2,376)
Net cash provided by financing activities	7,494	91,660
Effect of exchange rate changes on cash	(2)	(1,273)
Net decrease in cash and cash equivalents	(131,818)	(16,657)
Cash and cash equivalents at beginning of period	261,701	71,446	$ 54,789	71,446
Cash and cash equivalents at end of period	129,883	54,789	$ 129,883	$ 261,701
Non-cash investing and financing activities:
Issuance of common stock in satisfaction of certain accrued employee compensation liabilities	22,829	32,129
Capital expenditures not paid for	10,250	7,637
Ex-Im Credit Facility [Member]
Cash flows from financing activities:
Payments of credit facility borrowings	$ (11,821)	(22,650)
Revolving Credit Facility [Member]
Cash flows from financing activities:
Proceeds from credit facility borrowings		130,000
Payments of credit facility borrowings		$ (15,000)

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest in Subsidiaries [Member]
Beginning balance at Mar. 31, 2018	$ 1,848,007	$ 6	$ 1,535,635	$ 285,960	$ 15,565	$ 10,841
Beginning balance, shares at Mar. 31, 2018		58,905,274
Exercise of stock options	271		271
Exercise of stock options, shares		7,100
Issuance of stock under Employee Stock Purchase Plan	7,384		7,384
Issuance of stock under Employee Stock Purchase Plan, shares		132,180
Stock-based compensation	21,738		21,738
Shares and fully-vested RSUs issued in settlement of certain accrued employee compensation liabilities, net of shares withheld for taxes which have been retired	27,701		27,701
Shares and fully-vested RSUs issued in settlement of certain accrued employee compensation liabilities, net of shares withheld for taxes which have been retired, shares		438,433
RSU awards vesting, net of shares withheld for taxes which have been retired	(1,541)		(1,541)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		44,533
Other noncontrolling interest activity	(1,874)		(2,021)			147
Net (loss) income	(35,497)			(34,010)		(1,487)
Other comprehensive loss, net of tax	(123)				(123)
Ending balance at Jun. 30, 2018	1,891,947	$ 6	1,589,167	277,831	15,442	9,501
Ending balance, shares at Jun. 30, 2018		59,527,520
Cumulative effect adjustment upon adoption of new revenue recognition guidance (ASU 2014-09) | Accounting Standards Update 2014-09 [Member]	25,881			25,881
Beginning balance at Mar. 31, 2019	1,916,078	$ 6	1,656,819	245,585	5,338	8,330
Beginning balance, shares at Mar. 31, 2019		60,550,093
Exercise of stock options	16,071		16,071
Exercise of stock options, shares		259,125
Issuance of stock under Employee Stock Purchase Plan	8,306		8,306
Issuance of stock under Employee Stock Purchase Plan, shares		165,770
Stock-based compensation	24,312		24,312
Shares and fully-vested RSUs issued in settlement of certain accrued employee compensation liabilities, net of shares withheld for taxes which have been retired	22,829		22,829
Shares and fully-vested RSUs issued in settlement of certain accrued employee compensation liabilities, net of shares withheld for taxes which have been retired, shares		255,615
RSU awards vesting, net of shares withheld for taxes which have been retired	(2,328)		(2,328)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		(46,330)
Net (loss) income	(9,737)			(11,468)		1,731
Other comprehensive loss, net of tax	(2,239)				(2,239)
Ending balance at Jun. 30, 2019	$ 1,973,292	$ 6	$ 1,726,009	$ 234,117	$ 3,099	$ 10,061
Ending balance, shares at Jun. 30, 2019		61,276,933

Basis of Presentation

Basis of Presentation	3 Months Ended
	Jun. 30, 2019
Accounting Policies [Abstract]
Basis of Presentation	Note 1 — Basis of Presentation The accompanying condensed consolidated balance sheet at June 30, 2019, the condensed consolidated statements of operations and comprehensive income (loss) for the three months ended June 30, 2019 and 2018, the condensed consolidated statements of cash flows for the three months ended June 30, 2019 and 2018 and the condensed consolidated statements of equity for the three months ended June 30, 2019 and 2018 have been prepared by the management of Viasat, Inc. (also referred to hereafter as the Company or Viasat), and have not been audited. These financial statements have been prepared on the same basis as the audited consolidated financial statements for the fiscal year ended March 31, 2019 and, in the opinion of management, include all adjustments (consisting only of normal recurring adjustments) necessary for a fair statement of the Company’s results for the periods presented. These financial statements should be read in conjunction with the financial statements and notes thereto for the fiscal year ended March 31, 2019 included in the Company’s Annual Report on Form 10-K. Interim operating results are not necessarily indicative of operating results for the full year. The year-end condensed consolidated balance sheet data was derived from audited financial statements, but does not include all disclosures required by accounting principles generally accepted in the United States of America (GAAP). The Company’s condensed consolidated financial statements include the assets, liabilities and results of operations of Viasat, its wholly owned subsidiaries and its majority-owned subsidiary, TrellisWare Technologies, Inc. (TrellisWare). During the third quarter of fiscal year 2019, Viasat Europe Sàrl (formerly known as Euro Broadband Retail Sàrl), which was previously a majority-owned subsidiary, became a wholly owned subsidiary when the Company purchased the remaining 49% interest in the company for an insignificant amount. All significant intercompany amounts have been eliminated. Investments in entities in which the Company can exercise significant influence, but does not own a majority equity interest or otherwise control, are accounted for using the equity method and are included as investment in unconsolidated affiliate in other assets (long-term) on the condensed consolidated balance sheets. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and reported amounts of revenues and expenses during the reporting period. Estimates have been prepared on the basis of the most current and best available information and actual results could differ from those estimates. Significant estimates made by management include revenue recognition, stock-based compensation, self-insurance reserves, allowance for doubtful accounts, warranty accruals, valuation of goodwill and other intangible assets, patents, orbital slots and other licenses, software development, property, equipment and satellites, long-lived assets, derivatives, contingencies and income taxes including the valuation allowance on deferred tax assets. Revenue recognition Effective April 1, 2018, the Company adopted Accounting Standards Update (ASU) 2014-09, Revenue from Contracts with Customers (commonly referred to as Accounting Standards Codification (ASC) 606). This update established ASC 606, Revenue from Contracts with Customers and ASC 340-40, Other Assets and Deferred Costs – Contracts with Customers. The Company applied the five-step model under ASC 606 to its contracts with its customers to determine the impact of the new standard. Under this model the Company (1) identifies the contract with the customer, (2) identifies its performance obligations in the contract, (3) determines the transaction price for the contract, (4) allocates the transaction price to its performance obligations and (5) recognizes revenue when or as it satisfies its performance obligations. These performance obligations generally include the purchase of services (including broadband capacity and the leasing of broadband equipment), the purchase of products, and the development and delivery of complex equipment built to customer specifications under long-term contracts. Performance obligations The timing of satisfaction of performance obligations may require judgment. The Company derives a substantial portion of its revenues from contracts with customers for services, primarily consisting of connectivity services. These contracts typically require advance or recurring monthly payments by the customer. The Company’s obligation to provide connectivity services is satisfied over time as the customer simultaneously receives and consumes the benefits provided. The measure of progress over time is based upon either a period of time (e.g., over the estimated contractual term) or usage (e.g., bandwidth used/bytes of data processed). The Company evaluates whether broadband equipment provided to its customer as part of the delivery of connectivity services represents a lease in accordance with ASC 842. As discussed further below under “Leases - Lessor accounting”, for broadband equipment leased to consumer broadband customers in conjunction with the delivery of connectivity services, the Company accounts for the lease and non-lease components of connectivity service arrangements as a single performance obligation as the connectivity services represent the predominant component. The Company also derives a portion of its revenues from contracts with customers to provide products. Performance obligations to provide products are satisfied at the point in time when control is transferred to the customer. These contracts typically require payment by the customer upon passage of control and determining the point at which control is transferred may require judgment. To identify the point at which control is transferred to the customer, the Company considers indicators that include, but are not limited to, whether (1) the Company has the present right to payment for the asset, (2) the customer has legal title to the asset, (3) physical possession of the asset has been transferred to the customer, (4) the customer has the significant risks and rewards of ownership of the asset, and (5) the customer has accepted the asset. For product revenues, control generally passes to the customer upon delivery of goods to the customer. The vast majority of the Company’s revenues from long-term contracts to develop and deliver complex equipment built to customer specifications are derived from contracts with the U.S. government (including foreign military sales contracted through the U.S. government). The Company’s contracts with the U.S. government typically are subject to the Federal Acquisition Regulation (FAR) and are priced based on estimated or actual costs of producing goods or providing services. The FAR provides guidance on the types of costs that are allowable in establishing prices for goods and services provided under U.S. government contracts. The pricing for non-U.S. government contracts is based on the specific negotiations with each customer. Under the typical payment terms of the Company’s U.S. government fixed-price contracts, the customer pays the Company either performance-based payments (PBPs) or progress payments. PBPs are interim payments based on quantifiable measures of performance or on the achievement of specified events or milestones. Progress payments are interim payments based on a percentage of the costs incurred as the work progresses. Because the customer can often retain a portion of the contract price until completion of the contract, the Company’s U.S. government fixed-price contracts generally result in revenue recognized in excess of billings which the Company presents as unbilled accounts receivable on the balance sheet. Amounts billed and due from the Company’s customers are classified as receivables on the balance sheet. The portion of the payments retained by the customer until final contract settlement is not considered a significant financing component because the intent is to protect the customer. For the Company’s U.S. government cost-type contracts, the customer generally pays the Company for its actual costs incurred within a short period of time. For non-U.S. government contracts, the Company typically receives interim payments as work progresses, although for some contracts, the Company may be entitled to receive an advance payment. The Company recognizes a liability for these advance payments in excess of revenue recognized and presents it as collections in excess of revenues and deferred revenues on the balance sheet. An advance payment is not typically considered a significant financing component because it is used to meet working capital demands that can be higher in the early stages of a contract and to protect the Company from the other party failing to adequately complete some or all of its obligations under the contract. Performance obligations related to developing and delivering complex equipment built to customer specifications under long-term contracts are recognized over time as these performance obligations do not create assets with an alternative use to the Company and the Company has an enforceable right to payment for performance to date. To measure the transfer of control, revenue is recognized based on the extent of progress towards completion of the performance obligation. The selection of the method to measure progress towards completion requires judgment and is based on the nature of the products or services to be provided. The Company generally uses the cost-to-cost measure of progress for its contracts because that best depicts the transfer of control to the customer which occurs as the Company incurs costs on its contracts. Under the cost-to-cost measure of progress, the extent of progress towards completion is measured based on the ratio of costs incurred to date to the total estimated costs at completion of the performance obligation. When estimates of total costs to be incurred on a contract exceed total estimates of revenue to be earned, a provision for the entire loss on the contract is recognized in the period the loss is determined. Contract costs on U.S. government contracts are subject to audit and review by the Defense Contracting Management Agency (DCMA), the Defense Contract Audit Agency (DCAA), and other U.S. government agencies, as well as negotiations with U.S. government representatives. The Company’s incurred cost audits by the DCAA have not been concluded for fiscal year 2019. As of June 30, 2019, the DCAA had completed its incurred cost audit for fiscal years 2004 and 2016 and approved the Company’s incurred costs for those fiscal years, as well as approved the Company’s incurred costs for fiscal years 2005 through 2015, 2017 and 2018 without further audit based on a determination of low risk. Although the Company has recorded contract revenues subsequent to fiscal year 2018 based upon an estimate of costs that the Company believes will be approved upon final audit or review, the Company does not know the outcome of any ongoing or future audits or reviews and adjustments, and if future adjustments exceed the Company’s estimates, its profitability would be adversely affected. As of June 30, 2019 and March 31, 2019, the Company had $4.9 million in contract-related reserves for its estimate of potential refunds to customers for potential cost adjustments on several multi-year U.S. government cost reimbursable contracts (see Note 9). Evaluation of transaction price The evaluation of transaction price, including the amounts allocated to performance obligations, may require significant judgments. Due to the nature of the work required to be performed on many of the Company’s performance obligations, the estimation of total revenue, and where applicable the cost at completion, is complex, subject to many variables and requires significant judgment. The Company’s contracts may contain award fees, incentive fees, or other provisions, including the potential for significant financing components, that can either increase or decrease the transaction price. These amounts, which are sometimes variable, can be dictated by performance metrics, program milestones or cost targets, the timing of payments, and customer discretion. The Company estimates variable consideration at the amount to which it expects to be entitled. The Company includes estimated amounts in the transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized will not occur when the uncertainty associated with the variable consideration is resolved. The Company’s estimates of variable consideration and determination of whether to include estimated amounts in the transaction price are based largely on an assessment of the Company’s anticipated performance and all information (historical, current and forecasted) that is reasonably available to the Company. In the event an agreement includes embedded financing components, the Company recognizes interest expense or interest income on the embedded financing components using effective interest method. This methodology uses an implied interest rate which reflects the incremental borrowing rate which would be expected to be obtained in a separate financing transaction. The Company has elected the practical expedient not to adjust the promised amount of consideration for the effects of a significant financing component if the Company expects, at contract inception, that the period between when the Company transfers a promised good or service to a customer and when the customer pays for that good or service will be one year or less. If a contract is separated into more than one performance obligation, the total transaction price is allocated to each performance obligation in an amount based on the estimated relative standalone selling prices of the promised goods or services underlying each performance obligation. Estimating standalone selling prices may require judgment. When available, the Company utilizes the observable price of a good or service when the Company sells that good or service separately in similar circumstances and to similar customers. If a standalone selling price is not directly observable, the Company estimates the standalone selling price by considering all information (including market conditions, specific factors, and information about the customer or class of customer) that is reasonably available. Transaction price allocated to remaining performance obligations The Company’s remaining performance obligations represent the transaction price of firm contracts and orders for which work has not been performed. The Company includes in its remaining performance obligations only those contracts and orders for which it has accepted purchase orders. Remaining performance obligations associated with the Company’s subscribers for fixed consumer and business broadband services in its satellite services segment exclude month-to-month service contracts in accordance with a practical expedient and are estimated using a portfolio approach in which the Company reviews all relevant promotional activities and calculates the remaining performance obligation using the average service component for the portfolio and the average time remaining under the contract. The Company’s future recurring in-flight connectivity (IFC) service contracts in its satellite services segment do not have minimum service purchase requirements and therefore are not included in the Company’s remaining performance obligations. As of June 30, 2019, the aggregate amount of the transaction price allocated to remaining performance obligations was $1.8 billion, of which the Company expects to recognize a little over half over the next twelve months, with the balance recognized thereafter. Disaggregation of revenue The Company operates and manages its business in three reportable segments: satellite services, commercial networks and government systems. Revenue is disaggregated by products and services, customer type, contract type, and geographic area, respectively, as the Company believes this approach best depicts how the nature, amount, timing and uncertainty of its revenue and cash flows are affected by economic factors. The following sets forth disaggregated reported revenue by segment and product and services for the three months ended June 30, 2019 and June 30, 2018: Three Months Ended June 30, 2019 Satellite Services Commercial Networks Government Systems Total Revenues (In thousands) Product revenues $ — $ 64,901 $ 198,714 $ 263,615 Service revenues 196,815 14,111 62,496 273,422 Total revenues $ 196,815 $ 79,012 $ 261,210 $ 537,037 . Three Months Ended June 30, 2018 Satellite Services Commercial Networks Government Systems Total Revenues (In thousands) Product revenues $ — $ 85,133 $ 132,996 $ 218,129 Service revenues 153,561 9,933 57,246 220,740 Total revenues $ 153,561 $ 95,066 $ 190,242 $ 438,869 Revenues from the U.S. government as an individual customer comprised approximately 30% and 28% of total revenues for the three months ended June 30, 2019 and June 30, 2018, respectively, mainly reported within the government systems segment. The Company’s commercial customers, mainly reported within the commercial networks and satellite services segments, comprised approximately 70% and 72% of total revenues for the three months ended June 30, 2019 and June 30, 2018, respectively. The Company’s satellite services segment revenues are primarily derived from the Company’s fixed broadband services, IFC services and worldwide managed network services. Revenues in the Company’s commercial networks and government systems segments are primarily derived from three types of contracts: fixed-price, cost-reimbursement, and time-and-materials contracts. Fixed-price contracts (which require the Company to provide products and services under a contract at a specified price) comprised approximately 87% and 89% of the Company’s total revenues for these segments for the three months ended June 30, 2019 and June 30, 2018, respectively. The remainder of the Company’s revenues in these segments for such periods was derived primarily from cost-reimbursement contracts (under which the Company is reimbursed for all actual costs incurred in performing the contract to the extent such costs are within the contract ceiling and allowable under the terms of the contract, plus a fee or profit) and from time-and-materials contracts (under which the Company is reimbursed for the number of labor hours expended at an established hourly rate negotiated in the contract, plus the cost of materials utilized in providing such products or services). Historically, a significant portion of the Company’s revenues in its commercial networks and government systems segments has been derived from customer contracts that include the development of products. The development efforts are conducted in direct response to the customer’s specific requirements and, accordingly, expenditures related to such efforts are included in cost of sales when incurred and the related funding (which includes a profit component) is included in revenues. Revenues for the Company’s funded development from its customer contracts were approximately 23% and 18% of its total revenues for the three months ended June 30, 2019 and June 30, 2018, respectively. Revenues by geographic area for the three months ended June 30, 2019 and June 30, 2018 were as follows: Three Months Ended June 30, 2019 June 30, 2018 (In thousands) U.S. customers $ 461,283 $ 378,172 Non-U.S. customers (each country individually insignificant) 75,754 60,697 Total revenues $ 537,037 $ 438,869 The Company distinguishes revenues from external customers by geographic area based on customer location. Contract balances Contract balances consist of contract assets and contract liabilities. A contract asset, or with respect to the Company, an unbilled accounts receivable, is recorded when revenue is recognized in advance of the Company’s right to bill and receive consideration, typically resulting from sales under long-term contracts. Unbilled accounts receivable are generally expected to be billed and collected within one year. The unbilled accounts receivable will decrease as provided services or delivered products are billed. The Company receives payments from customers based on a billing schedule established in the Company’s contracts. When consideration is received in advance of the delivery of goods or services, a contract liability, or with respect to the Company, collections in excess of revenues or deferred revenues, is recorded. Reductions in the collections in excess of revenues or deferred revenues will be recorded as the Company satisfies the performance obligations. The following table presents contract assets and liabilities as of June 30, 2019 and March 31, 2019: As of June 30, 2019 As of March 31, 2019 (In thousands) Unbilled accounts receivable $ 97,460 $ 83,743 Collections in excess of revenues and deferred revenues 123,304 125,540 Deferred revenues, long-term portion 85,894 71,230 Unbilled accounts receivable increased $13.7 million during the three months ended June 30, 2019, primarily driven by revenue recognized in the Company’s government systems segment in excess of billings. Collections in excess of revenues and deferred revenues decreased $2.2 million during the three months ended June 30, 2019, primarily driven by revenue recognized in excess of advances on goods or services received in the Company’s satellite services segment. During the three months ended June 30, 2019, the Company recognized revenue of $52.6 million related to the Company’s collections in excess of revenues and deferred revenues at March 31, 2019. Advertising costs In accordance with the authoritative guidance for advertising costs (ASC 720-35), advertising costs are expensed as incurred and included in selling, general and administrative expenses. Advertising expenses for the three months ended June 30, 2019 and 2018 were $5.0 million and $6.6 million, respectively. Property, equipment and satellites Satellites and other property and equipment, including internally developed software, are recorded at cost or, in the case of certain satellites and other property acquired, the fair value at the date of acquisition, net of accumulated depreciation. Capitalized satellite costs consist primarily of the costs of satellite construction and launch, including launch insurance and insurance during the period of in-orbit testing, the net present value of performance incentives expected to be payable to satellite manufacturers (dependent on the continued satisfactory performance of the satellites), costs directly associated with the monitoring and support of satellite construction, and interest costs incurred during the period of satellite construction. The Company also constructs earth stations, network operations systems and other assets to support its satellites, and those construction costs, including interest, are capitalized as incurred. At the time satellites are placed in service, the Company estimates the useful life of its satellites for depreciation purposes based upon an analysis of each satellite’s performance against the original manufacturer’s orbital design life, estimated fuel levels and related consumption rates, as well as historical satellite operating trends. Costs incurred for additions to property, equipment and satellites, together with major renewals and betterments, are capitalized and depreciated over the remaining life of the underlying asset. Costs incurred for maintenance, repairs and minor renewals and betterments are charged to expense as incurred. When assets are sold or otherwise disposed of, the cost and related accumulated depreciation or amortization are removed from the accounts and any resulting gain or loss is recognized in operations, which for the periods presented, primarily related to losses incurred for unreturned customer premise equipment (CPE). The Company computes depreciation using the straight-line method over the estimated useful lives of the assets ranging from two to 24 years . Leasehold improvements are capitalized and amortized using the straight-line method over the shorter of the lease term or the life of the improvement . Costs related to internally developed software for internal uses are capitalized after the preliminary project stage is complete and are amortized over the estimated useful lives of the assets, which are approximately three to seven years. Capitalized costs for internal-use software are included in property and equipment, net in the Company’s consolidated balance sheet. Interest expense is capitalized on the carrying value of assets under construction, in accordance with the authoritative guidance for the capitalization of interest (ASC 835-20). With respect to the ViaSat-3 class satellites, gateway and networking equipment and other assets under construction, the Company capitalized $11.3 million and $6.2 million of interest expense for the three months ended June 30, 2019 and June 30, 2018, respectively. The Company owns three satellites in service: ViaSat-2 (its second-generation high-capacity Ka-band spot-beam satellite, which was placed into service in the fourth quarter of fiscal year 2018), ViaSat-1 (its first-generation high-capacity Ka-band spot-beam satellite, which was placed into service in January 2012) and WildBlue-1 (which was placed into service in March 2007). The Company also has two third-generation ViaSat-3 class satellites that have entered the phase of full construction. In July 2019, the Company entered into an agreement with The Boeing Company (Boeing) for the construction and purchase of a third ViaSat-3 class satellite and the integration of Viasat’s payload technologies into the satellite. The Company also has an exclusive prepaid lifetime capital lease of Ka-band capacity over the contiguous United States on Telesat Canada’s Anik F2 satellite (which was placed into service in April 2005) and owns related earth stations and networking equipment for all of its satellites. The Company periodically reviews the remaining estimated useful life of its satellites to determine if revisions to estimated lives are necessary. The Company procures indoor and outdoor CPE units leased to subscribers under a retail leasing program as part of the Company’s satellite services segment, which are reflected in investing activities and property and equipment in the accompanying condensed consolidated financial statements. The Company depreciates the satellites, earth stations and networking equipment, CPE units and related installation costs over their estimated useful lives. The total cost and accumulated depreciation of CPE units included in property and equipment, net, as of June 30, 2019 were $377.2 million and $148.8 million, respectively. The total cost and accumulated depreciation of CPE units included in property and equipment, net, as of March 31, 2019 were $373.4 million and $142.6 million, respectively. On June 1, 2017, the Company’s second-generation ViaSat-2 satellite was successfully launched into orbit. In the fourth quarter of fiscal year 2018, shortly before the launch of commercial broadband services on the satellite, the Company reported an antenna deployment issue. The Company worked with the satellite manufacturer to determine the root cause of the antenna deployment issue, potential correcting measures, and resulting damage. In the second quarter of fiscal year 2019, the root cause analysis was completed. Based on that analysis, during the second quarter of fiscal year 2019, the Company recorded a reduction to the carrying value of the ViaSat-2 satellite of $177.4 million, with a corresponding insurance receivable of $177.4 million, based on the Company’s estimated ViaSat-2 output capabilities as compared to the anticipated, potential and configured capacity of the ViaSat-2 satellite. During the three months ended June 30, 2019, the Company received $2.3 million (for a cumulative total of $188.0 million) in insurance recovery proceeds related to such claims. No insurance recovery proceeds were received during the three months ended June 30, 2018. The ViaSat-2 satellite was primarily financed by the Company’s direct loan facility with the Export-Import Bank of the United States for ViaSat-2 (the Ex-Im Credit Facility) (see Note 7 — Senior Notes and Other Long-Term Debt for more information). Pursuant to the terms of the Ex-Im Credit Facility, insurance proceeds received from such claims were used to pay down outstanding borrowings under the Ex-Im Credit Facility. Occasionally, the Company may enter into capital lease arrangements for various machinery, equipment, computer-related equipment, software, furniture or fixtures. The Company records amortization of assets leased under capital lease arrangements within depreciation expense. Leases The Company adopted ASU 2016-02, Leases, as amended, commonly referred to as ASC 842, on April 1, 2019 using the optional transition method. Under the optional transition method, the Company applied the new guidance to all leases that commenced before and were existing as of April 1, 2019. Accordingly, the Company did not adjust comparative periods or make the new required lease disclosures for periods before the adoption date of April 1, 2019. The primary impact of ASC 842 on the Company’s consolidated financial statements is the recognition of right-of-use assets and related liabilities on its consolidated balance sheet for operating leases where the Company is the lessee. The Company’s adoption of ASC 842 did not have a material impact on its results of operations or on its cash flow for the three months ended June 30, 2019. The Company elected certain practical expedients under its transition method, including the practical expedient package to not reassess (i) whether any expired or existing contracts are or contain leases, (ii) the classification of existing leases, and (iii) initial direct costs for any existing leases. The Company also has elected the land easement transition practical expedient, and did not reassess whether an existing or expired land easement is a lease or contains a lease if it has not historically been accounted for as a lease. In addition, for real estate and satellite leases, the Company has elected not to separate non-lease components from lease components and instead will account for each separate lease and non-lease component as a single lease component for real estate and satellite The following table presents the summary of the impact of adopting the new standard: Condensed Consolidated Balance Sheets As of March 31, 2019 Impact of ASC 842 As of April 1, 2019 (In thousands) Prepaid expenses and other current assets $ 90,646 $ (467 ) $ 90,179 Operating lease right-of-use assets — 327,329 327,329 Total assets 3,915,287 326,862 4,242,149 Accrued and other liabilities 308,268 38,406 346,674 Non-current operating lease liabilities — 305,167 305,167 Other liabilities 120,826 (16,711 ) 104,115 Total liabilities 1,999,209 326,862 2,326,071 Total liabilities and equity 3,915,287 326,862 4,242,149 Lessee accounting For contracts entered into on or after April 1, 2019, the Company assesses at contract inception whether the contract is, or contains, a lease. Generally, the Company determines that a lease exists when (i) the contract involves the use of a distinct identified asset, (ii) the Company obtains the right to substantially all economic benefits from use of the asset, and (iii) the Company has the right to direct the use of the asset. A lease is classified as a finance lease when one or more of the following criteria are met: (i) the lease transfers ownership of the asset by the end of the lease term, (ii) the lease contains an option to purchase the asset that is reasonably certain to be exercised, (iii) the lease term is for a major part of the remaining useful life of the asset, (iv) the present value of the lease payments equals or exceeds substantially all of the fair value of the asset or (v) the asset is of such a specialized nature that it is expected to have no alternative use to the lessor at the end of the lease term. A lease is classified as an operating lease if it does not meet any of these criteria. At the lease commencement d

Composition of Certain Balance

Composition of Certain Balance Sheet Captions	3 Months Ended
	Jun. 30, 2019
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Composition of Certain Balance Sheet Captions	Note 2 — Composition of Certain Balance Sheet Captions As of June 30, 2019 As of March 31, 2019 (In thousands) Accounts receivable, net: Billed $ 208,376 $ 218,276 Unbilled 97,460 83,743 Allowance for doubtful accounts (2,217 ) (1,712 ) $ 303,619 $ 300,307 Inventories: Raw materials $ 86,130 $ 77,834 Work in process 51,100 52,084 Finished goods 126,603 104,600 $ 263,833 $ 234,518 Prepaid expenses and other current assets: Prepaid expenses $ 88,326 $ 72,369 Other 18,521 18,277 $ 106,847 $ 90,646 Satellites, net: Satellites (estimated useful life of 10-17 years) $ 978,113 $ 978,118 Capital lease of satellite capacity — Anik F2 (estimated useful life of 10 years) 99,090 99,090 Satellites under construction 668,561 590,000 1,745,764 1,667,208 Less: accumulated depreciation and amortization (471,092 ) (451,545 ) $ 1,274,672 $ 1,215,663 Property and equipment, net: Equipment and software (estimated useful life of 3-7 years) $ 1,073,222 $ 1,027,293 CPE leased equipment (estimated useful life of 4-5 years) 377,158 373,357 Furniture and fixtures (estimated useful life of 7 years) 51,042 46,678 Leasehold improvements (estimated useful life of 2-17 years) 127,470 126,528 Building (estimated useful life of 24 years) 8,923 8,923 Land 2,291 2,291 Construction in progress 181,941 167,178 1,822,047 1,752,248 Less: accumulated depreciation (880,674 ) (842,621 ) $ 941,373 $ 909,627 Other acquired intangible assets, net: Technology (weighted average useful life of 6 years) $ 89,954 $ 89,972 Contracts and customer relationships (weighted average useful life of 7 years) 103,294 103,283 Satellite co-location rights (weighted average useful life of 9 years) 8,600 8,600 Trade name (weighted average useful life of 3 years) 5,940 5,940 Other (weighted average useful life of 6 years) 10,006 9,989 217,794 217,784 Less: accumulated amortization (197,440 ) (195,483 ) $ 20,354 $ 22,301 Other assets: Investment in unconsolidated affiliate $ 158,868 $ 160,711 Deferred income taxes 267,345 258,834 Capitalized software costs, net 242,135 244,368 Patents, orbital slots and other licenses, net 34,536 23,059 Other 76,979 71,833 $ 779,863 $ 758,805 Accrued and other liabilities: Collections in excess of revenues and deferred revenues $ 123,304 $ 125,540 Accrued employee compensation 30,840 56,454 Accrued vacation 46,107 43,077 Warranty reserve, current portion 6,243 5,877 Operating lease liabilities 40,804 — Other 77,587 77,320 $ 324,885 $ 308,268 Other liabilities: Deferred revenues, long-term portion $ 85,894 $ 71,230 Deferred rent, long-term portion — 16,810 Warranty reserve, long-term portion 2,207 1,707 Satellite performance incentive obligations, long-term portion 25,119 25,324 Other 4,870 5,755 $ 118,090 $ 120,826

Fair Value Measurements

Fair Value Measurements	3 Months Ended
	Jun. 30, 2019
Fair Value Disclosures [Abstract]
Fair Value Measurements	Note 3 — Fair Value Measurements In accordance with the authoritative guidance for financial assets and liabilities measured at fair value on a recurring basis (ASC 820), the Company determines fair value based on the exchange price that would be received for an asset or paid to transfer a liability in an orderly transaction between market participants, and prioritizes the inputs used to measure fair value from market-based assumptions to entity specific assumptions: • Level 1 — Inputs based on quoted market prices for identical assets or liabilities in active markets at the measurement date. • Level 2 — Observable inputs other than quoted prices included in Level 1, such as quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in markets that are not active; or other inputs that are observable or can be corroborated by observable market data. • Level 3 — Inputs which reflect management’s best estimate of what market participants would use in pricing the asset or liability at the measurement date. The inputs are unobservable in the market and significant to the instrument’s valuation. The Company had no assets and an insignificant amount of liabilities (Level 2) measured at fair value on a recurring basis as of June 30, 2019 and March 31, 2019. The following section describes the valuation methodologies the Company uses to measure financial instruments at fair value: Cash equivalents — The Company’s cash equivalents consist of money market funds. Money market funds are valued using quoted prices for identical assets in an active market with sufficient volume and frequency of transactions (Level 1). Foreign currency forward contracts — The Company uses derivative financial instruments to manage foreign currency risk relating to foreign exchange rates. The Company does not use these instruments for speculative or trading purposes. The Company’s objective is to reduce the risk to earnings and cash flows associated with changes in foreign currency exchange rates. Derivative instruments are recognized as either assets or liabilities in the accompanying condensed consolidated financial statements and are measured at fair value. Gains and losses resulting from changes in the fair values of those derivative instruments are recorded to earnings or other comprehensive income (loss) depending on the use of the derivative instrument and whether it qualifies for hedge accounting. The Company’s foreign currency forward contracts are valued using standard calculations/models that are primarily based on observable inputs, such as foreign currency exchange rates, or can be corroborated by observable market data (Level 2). Long-term debt — The Company’s long-term debt consists of borrowings under its Revolving Credit Facility and Ex-Im Credit Facility (collectively, the Credit Facilities), as well as $700.0 million in aggregate principal amount of 2025 Notes and $600.0 million in aggregate principal amount of 2027 Notes. Long-term debt related to the Revolving Credit Facility is reported at the outstanding principal amount of borrowings, while long-term debt related to the Ex-Im Credit Facility, 2025 Notes and 2027 Notes is reported at amortized cost. However, for disclosure purposes, the Company is required to measure the fair value of outstanding debt on a recurring basis. As of June 30, 2019 and March 31, 2019, the estimated fair value of the Company’s outstanding long-term debt related to the 2025 Notes was determined based on actual or estimated bids and offers for the 2025 Notes in an over-the-counter market (Level 2) and was $687.8 million and $670.3 million, respectively. As of June 30, 2019, the estimated fair value of the Company’s outstanding long-term debt related to the 2027 Notes was determined based on actual or estimated bids and offers for the 2027 Notes in an over-the-counter market (Level 2) and was $624.0 million. The fair value of the Company’s outstanding long-term debt as of March 31, 2019 related to the 2027 Notes approximated its carrying amount due to the proximity of the closing of the 2027 Notes compared to the reporting date. The fair value of the Company’s long-term debt related to the Revolving Credit Facility approximates its carrying amount due to its variable interest rate, which approximates a market interest rate. As of June 30, 2019 and March 31, 2019, the fair value of the Company’s long-term debt related to the Ex-Im Credit Facility was determined based on a discounted cash flow analysis using observable market interest rates for instruments with similar terms (Level 2) and was approximately $126.0 million and $134.9 million, respectively Satellite performance incentive obligations — The Company’s contracts with the manufacturers of the ViaSat-1 and ViaSat-2 satellites require the Company to make monthly in-orbit satellite performance incentive payments, including interest, through approximately fiscal year 2028 subject to the continued satisfactory performance of the applicable satellites. The Company records the net present value of these expected future payments as a liability and as a component of the cost of the satellites. However, for disclosure purposes, the Company is required to measure the fair value of outstanding satellite performance incentive obligations on a recurring basis. The fair value of the Company’s outstanding satellite performance incentive obligations is estimated to approximate their carrying value based on current rates (Level 2). As of June 30, 2019 and March 31, 2019, the Company’s estimated satellite performance incentive obligations relating to the ViaSat-1 and ViaSat-2 satellites, including accrued interest, were $28.2 million.

Shares Used In Computing Dilute

Shares Used In Computing Diluted Net Income (Loss) Per Share	3 Months Ended
	Jun. 30, 2019
Earnings Per Share [Abstract]
Shares Used In Computing Diluted Net Income (Loss) Per Share	Note 4 — Shares Used In Computing Diluted Net Loss Per Share The weighted average number of shares used to calculate basic and diluted net loss per share attributable to Viasat, Inc. common stockholders is the same for the three months ended June 30, 2019 and June 30, 2018, as the Company incurred a net loss attributable to Viasat, Inc. common stockholders for such periods and inclusion of potentially dilutive weighted average shares of common stock would be antidilutive. Potentially dilutive weighted average shares of common stock excluded from the calculation for the three months ended June 30, 2019 and 2018 were 314,113 and 1,340,831 shares relating to stock options (other than TSR performance stock options), respectively, 985,226 and 1,396,974 shares relating to restricted stock units, respectively, and 282,410 and 270,071 shares relating to certain terms of the ViaSat 401(k) Profit Sharing Plan and Employee Stock Purchase Plan, respectively. 102,815 and no shares relating to TSR performance stock options were excluded from the calculation for the three months ended June 30, 2019 and 2018, respectively.

Goodwill and Acquired Intangibl

Goodwill and Acquired Intangible Assets	3 Months Ended
	Jun. 30, 2019
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill and Acquired Intangible Assets	Note 5 — Goodwill and Acquired Intangible Assets During the three months ended June 30, 2019, the decrease in the Company’s goodwill related to the effects of foreign currency translation recorded within all three of the Company’s segments. During the three months ended June 30, 2018, the increase in the Company’s goodwill related to an insignificant acquisition, partially offset by the effects of foreign currency translation recorded within all three of the Company’s segments. Other acquired intangible assets are amortized using the straight-line method over their estimated useful lives of two to ten years. Amortization expense related to other acquired intangible assets was $2.0 million and $2.5 million for the three months ended June 30, 2019 and 2018, respectively. The expected amortization expense of amortizable acquired intangible assets may change due to the effects of foreign currency fluctuations as a result of international businesses acquired. Current and expected amortization expense for acquired intangible assets for each of the following periods is as follows: Amortization (In thousands) For the three months ended June 30, 2019 $ 2,037 Expected for the remainder of fiscal year 2020 $ 5,556 Expected for fiscal year 2021 5,118 Expected for fiscal year 2022 3,295 Expected for fiscal year 2023 2,990 Expected for fiscal year 2024 2,471 Thereafter 924 $ 20,354

Leases

Leases	3 Months Ended
	Jun. 30, 2019
Leases [Abstract]
Leases	Note 6 – Leases The Company’s operating leases consist primarily of leases for office space, data centers and satellite ground facilities and have remaining terms from one to ten years, some of which include renewal options, and some of which include options to terminate the leases within one year. Certain earth station leases have renewal terms that have been deemed to be reasonably certain to be exercised and as such have been recognized as part of the Company’s right-of-use assets and lease liabilities. The Company’s lease agreements do not contain any material residual value guarantees or material restrictive covenants. The Company recognized right-of-use assets and lease liabilities for such leases in connection with its adoption of ASC 842 as of April 1, 2019 (see Note 1). The Company’s condensed consolidated balance sheet as of June 30, 2019 includes the following amounts for right-of-use assets and lease liabilities: As of June 30, 2019 (In thousands) Operating lease right-of-use assets $ 320,227 Operating lease liabilities $ 40,804 Non-current operating lease liabilities 297,867 Total operating lease liabilities $ 338,671 The components of the Company's lease expense are presented in the table below: Three Months Ended June 30, 2019 (In thousands) Operating lease cost $ 15,399 Short-term and equipment lease cost 611 Variable lease cost 1,679 Net lease cost $ 17,689 The following table details components of cash flows for operating leases, right-of-use assets obtained in exchange for new operating lease liabilities, weighted average lease terms and discount rates: Three Months Ended (In thousands, except lease term and discount rate) June 30, 2019 Cash paid for amounts included in the measurement of operating lease liabilities $ 14,914 Right-of-use assets obtained in exchange for new operating lease liabilities $ 3,566 Weighted average remaining lease term - operating leases (in years) 7.6 Weighted average discount rate - operating leases 5.5 % The following table presents future lease payments under operating leases as of June 30, 2019: Operating Leases June 30, 2019 (In thousands) Expected for the remainder of fiscal year 2020 $ 42,551 Expected for fiscal year 2021 57,982 Expected for fiscal year 2022 55,520 Expected for fiscal year 2023 50,260 Expected for fiscal year 2024 50,225 Thereafter 160,415 Total future lease payments required 416,953 Less: imputed interest 78,282 Total $ 338,671 As of June 30, 2019, the Company had $142.5 million of additional lease commitments that will commence in the future between fiscal years 2020 and 2021 with lease terms of three to 12 years. As discussed in Note 1, the Company has adopted ASC 842 using the optional transition method presenting prior period amounts and disclosures under ASC 840. The following table presents the Company's future minimum lease payments for operating leases under ASC 840 at March 31, 2019: Operating Leases March 31, 2019 (In thousands) Expected for fiscal year 2020 $ 59,164 Expected for fiscal year 2021 59,452 Expected for fiscal year 2022 57,500 Expected for fiscal year 2023 50,933 Expected for fiscal year 2024 51,000 Thereafter 183,077 Total minimum payments required $ 461,126 Rent expense was $53.5 million for the fiscal year ended March 31, 2019.

Senior Notes and Other Long-Ter

Senior Notes and Other Long-Term Debt	3 Months Ended
	Jun. 30, 2019
Debt Disclosure [Abstract]
Senior Notes and Other Long-Term Debt	Note 7 — Senior Notes and Other Long-Term Debt Total long-term debt consisted of the following as of June 30, 2019 and March 31, 2019: As of June 30, 2019 As of March 31, 2019 (In thousands) 2027 Notes $ 600,000 $ 600,000 2025 Notes 700,000 700,000 Revolving Credit Facility — — Ex-Im Credit Facility 127,739 139,560 Total debt 1,427,739 1,439,560 Unamortized discount and debt issuance costs (25,131 ) (26,720 ) Less: current portion of long-term debt 19,652 19,937 Total long-term debt $ 1,382,956 $ 1,392,903 Revolving Credit Facility As of June 30, 2019, the Revolving Credit Facility provided a $700.0 million revolving line of credit (including up to $150.0 million of letters of credit), with a maturity date of January 18, 2024. At June 30, 2019, the Company had no outstanding borrowings under the Revolving Credit Facility and $19.3 million outstanding under standby letters of credit, leaving borrowing availability under the Revolving Credit Facility as of June 30, 2019 of $680.7 million. Borrowings under the Revolving Credit Facility bear interest, at the Company’s option, at either (1) the highest of the Federal Funds rate plus 0.50%, the Eurodollar rate plus 1.00%, or the administrative agent’s prime rate as announced from time to time, or (2) the Eurodollar rate, plus, in the case of each of (1) and (2), an applicable margin that is based on the Company’s total leverage ratio. The Company has capitalized certain amounts of interest expense on the Revolving Credit Facility in connection with the construction of various assets during the construction period. The Revolving Credit Facility is required to be guaranteed by certain significant domestic subsidiaries of the Company (as defined in the Revolving Credit Facility) and secured by substantially all of the Company’s and any such subsidiaries’ assets. As of June 30, 2019, none of the Company’s subsidiaries guaranteed the Revolving Credit Facility. The Revolving Credit Facility contains financial covenants regarding a maximum total leverage ratio and a minimum interest coverage ratio. In addition, the Revolving Credit Facility contains covenants that restrict, among other things, the Company’s ability to sell assets, make investments and acquisitions, make capital expenditures, grant liens, pay dividends and make certain other restricted payments. The Company was in compliance with its financial covenants under the Revolving Credit Facility as of June 30, 2019. Ex-Im Credit Facility The Ex-Im Credit Facility originally provided a $362.4 million senior secured direct loan facility, which was fully drawn. Of the $362.4 million in principal amount of borrowings made under the Ex-Im Credit Facility, $321.2 million was used to finance up to 85% of the costs of construction, launch and insurance of the ViaSat-2 satellite and related goods and services (including costs incurred on or after September 18, 2012), with the remaining $41.2 million used to finance the total exposure fees incurred under the Ex-Im Credit Facility (which included all previously accrued completion exposure fees). As of June 30, 2019, the Company had $127.7 million in principal amount of outstanding borrowings under the Ex-Im Credit Facility. Borrowings under the Ex-Im Credit Facility bear interest at a fixed rate of 2.38%, payable semi-annually in arrears. The effective interest rate on the Company’s outstanding borrowings under the Ex-Im Credit Facility, which takes into account timing and amount of borrowings and payments, exposure fees, debt issuance costs and other fees, is 4.54%. Borrowings under the Ex-Im Credit Facility are required to be repaid in 16 semi-annual principal installments, which commenced on April 15, 2018, with a maturity date of October 15, 2025. Pursuant to the terms of the Ex-Im Credit Facility, certain insurance recovery proceeds related to the ViaSat-2 satellite must be used to pay down outstanding borrowings under the Ex-Im Credit Facility upon receipt. During the three months ended June 30, 2019 and during fiscal year 2019, the Company received $2.3 million and $185.7 million, respectively, of insurance proceeds related to the ViaSat-2 satellite, all of which were used to pay down outstanding borrowings under the Ex-Im Credit Facility upon receipt (see Note 1 – Property, equipment and satellites for more information). The Ex-Im Credit Facility is guaranteed by Viasat and is secured by first-priority liens on the ViaSat-2 satellite and related assets, as well as a pledge of the capital stock of the borrower under the facility. The Ex-Im Credit Facility contains financial covenants regarding Viasat’s maximum total leverage ratio and minimum interest coverage ratio. In addition, the Ex-Im Credit Facility contains covenants that restrict, among other things, the Company’s ability to sell assets, make investments and acquisitions, make capital expenditures, grant liens, pay dividends and make certain other restricted payments. The Company was in compliance with its financial covenants under the Ex-Im Credit Facility as of June 30, 2019. Borrowings under the Ex-Im Credit Facility are recorded as current portion of long-term debt and as other long-term debt, net of unamortized discount and debt issuance costs, in the Company’s condensed consolidated financial statements. The discount of $42.3 million (comprising the initial $6.0 million pre-exposure fee, $35.3 million of completion exposure fees, and other customary fees) and deferred financing cost associated with the issuance of the borrowings under the Ex-Im Credit Facility is amortized to interest expense on an effective interest rate basis over the weighted average term of the Ex-Im Credit Facility and in accordance with the related payment obligations. Senior Notes Senior Secured Notes due 2027 In March 2019, the Company issued $600.0 million in principal amount of 2027 Notes in a private placement to institutional buyers. The 2027 Notes were issued at face value and are recorded as long-term debt, net of debt issuance costs, in the Company’s consolidated financial statements. The 2027 Notes bear interest at the rate of 5.625% per year, payable semi-annually in cash in arrears, which interest payments will commence in October 2019. Debt issuance costs associated with the issuance of the 2027 Notes are amortized to interest expense on a straight-line basis over the term of the 2027 Notes, the results of which are not materially different from the effective interest rate basis. The 2027 Notes are required to be guaranteed on a senior secured basis by each of the Company’s existing and future subsidiaries that guarantees the Revolving Credit Facility. As of June 30, 2019, none of the Company’s subsidiaries guaranteed the 2027 Notes. The 2027 Notes are secured, equally and ratably with the Revolving Credit Facility and any future parity lien debt, by liens on substantially all of the Company’s assets. The 2027 Notes are the Company’s general senior secured obligations and rank equally in right of payment with all of its existing and future unsubordinated debt. The 2027 Notes are effectively senior to all of the Company’s existing and future unsecured debt (including the 2025 Notes) as well as to all of any permitted junior lien debt that may be incurred in the future, in each case to the extent of the value of the assets securing the 2027 Notes. The 2027 Notes are effectively subordinated to any obligations that are secured by liens on assets that do not constitute a part of the collateral securing the 2027 Notes, are structurally subordinated to all existing and future liabilities (including trade payables) of the Company’s subsidiaries that do not guarantee the 2027 Notes (including obligations of the borrower under the Ex-Im Credit Facility), and are senior in right of payment to all of the Company’s existing and future subordinated indebtedness. The indenture governing the 2027 Notes limits, among other things, the Company’s and its restricted subsidiaries’ ability to: incur, assume or guarantee additional debt; issue redeemable stock and preferred stock; pay dividends, make distributions or redeem or repurchase capital stock; prepay, redeem or repurchase subordinated debt; make loans and investments; grant or incur liens; restrict dividends, loans or asset transfers from restricted subsidiaries; sell or otherwise dispose of assets; enter into transactions with affiliates; reduce the Company’s satellite insurance; and consolidate or merge with, or sell substantially all of their assets to, another person. Prior to April 15, 2022, the Company may redeem up to 40% of the 2027 Notes at a redemption price of 105.625% of the principal amount thereof, plus accrued and unpaid interest, if any, thereon to the redemption date, from the net cash proceeds of specified equity offerings. The Company may also redeem the 2027 Notes prior to April 15, 2022, in whole or in part, at a redemption price equal to 100% of the principal amount thereof plus the applicable premium and any accrued and unpaid interest, if any, thereon to the redemption date. The applicable premium is calculated as the greater of: (i) 1.0% of the principal amount of such 2027 Notes and (ii) the excess, if any, of (a) the present value at such date of redemption of (1) the redemption price of such 2027 Notes on April 15, 2022 plus (2) all required interest payments due on such 2027 Notes through April 15, 2022 (excluding accrued but unpaid interest to the date of redemption), computed using a discount rate equal to the treasury rate (as defined under the indenture governing the 2027 Notes) plus 50 basis points, over (b) the then-outstanding principal amount of such 2027 Notes. The 2027 Notes may be redeemed, in whole or in part, at any time during the 12 months beginning on April 15, 2022 at a redemption price of 102.813%, during the 12 months beginning on April 15, 2023 at a redemption price of 101.406%, and at any time on or after April 15, 2024 at a redemption price of 100%, in each case plus accrued and unpaid interest, if any, thereon to the redemption date. In the event a change of control triggering event occurs (as defined in the indenture governing the 2027 Notes), each holder will have the right to require the Company to repurchase all or any part of such holder’s 2027 Notes at a purchase price in cash equal to 101% of the aggregate principal amount of the 2027 Notes repurchased, plus accrued and unpaid interest, if any, to the date of purchase (subject to the right of holders of record on the relevant record date to receive interest due on the relevant interest payment date). Senior Notes due 2025 In September 2017, the Company issued $700.0 million in principal amount of 2025 Notes in a private placement to institutional buyers. The 2025 Notes were issued at face value and are recorded as long-term debt, net of debt issuance costs, in the Company’s condensed consolidated financial statements. The 2025 Notes bear interest at the rate of 5.625% per year, payable semi-annually in cash in arrears, which interest payments commenced in March 2018. Debt issuance costs associated with the issuance of the 2025 Notes are amortized to interest expense on a straight-line basis over the term of the 2025 Notes, the results of which are not materially different from the effective interest rate basis. The 2025 Notes are required to be guaranteed on an unsecured senior basis by each of the Company’s existing and future subsidiaries that guarantees the Revolving Credit Facility. As of June 30, 2019, none of the Company’s subsidiaries guaranteed the 2025 Notes. The 2025 Notes are the Company’s general senior unsecured obligations and rank equally in right of payment with all of the Company’s existing and future unsecured unsubordinated debt. The 2025 Notes are effectively junior in right of payment to the Company’s existing and future secured debt, including under the Credit Facilities (to the extent of the value of the assets securing such debt), are structurally subordinated to all existing and future liabilities (including trade payables) of the Company’s subsidiaries that do not guarantee the 2025 Notes, and are senior in right of payment to all of the Company’s existing and future subordinated indebtedness. The indenture governing the 2025 Notes limits, among other things, the Company’s and its restricted subsidiaries’ ability to: incur, assume or guarantee additional debt; issue redeemable stock and preferred stock; pay dividends, make distributions or redeem or repurchase capital stock; prepay, redeem or repurchase subordinated debt; make loans and investments; grant or incur liens; restrict dividends, loans or asset transfers from restricted subsidiaries; sell or otherwise dispose of assets; enter into transactions with affiliates; reduce the Company’s satellite insurance; and consolidate or merge with, or sell substantially all of their assets to, another person. Prior to September 15, 2020, the Company may redeem up to 40% of the 2025 Notes at a redemption price of 105.625% of the principal amount thereof, plus accrued and unpaid interest, if any, thereon to the redemption date, from the net cash proceeds of specified equity offerings. The Company may also redeem the 2025 Notes prior to September 15, 2020, in whole or in part, at a redemption price equal to 100% of the principal amount thereof plus the applicable premium and any accrued and unpaid interest, if any, thereon to the redemption date. The applicable premium is calculated as the greater of: (i) 1.0% of the principal amount of such 2025 Notes and (ii) the excess, if any, of (a) the present value at such date of redemption of (1) the redemption price of such 2025 Notes on September 15, 2020 plus (2) all required interest payments due on such 2025 Notes through September 15, 2020 (excluding accrued but unpaid interest to the date of redemption), computed using a discount rate equal to the treasury rate (as defined under the indenture governing the 2025 Notes) plus 50 basis points, over (b) the then-outstanding principal amount of such 2025 Notes. The 2025 Notes may be redeemed, in whole or in part, at any time during the 12 months beginning on September 15, 2020 at a redemption price of 102.813%, during the 12 months beginning on September 15, 2021 at a redemption price of 101.406%, and at any time on or after September 15, 2022 at a redemption price of 100%, in each case plus accrued and unpaid interest, if any, thereon to the redemption date. In the event a change of control triggering event occurs (as defined in the indenture governing the 2025 Notes), each holder will have the right to require the Company to repurchase all or any part of such holder’s 2025 Notes at a purchase price in cash equal to 101% of the aggregate principal amount of the 2025 Notes repurchased, plus accrued and unpaid interest, if any, to the date of purchase (subject to the right of holders of record on the relevant record date to receive interest due on the relevant interest payment date).

Product Warranty

Product Warranty	3 Months Ended
	Jun. 30, 2019
Guarantees And Product Warranties [Abstract]
Product Warranty	Note 8 — Product Warranty The Company provides limited warranties on its products for periods of up to five years. The Company records a liability for its warranty obligations when products are shipped or they are included in long-term construction contracts based upon an estimate of expected warranty costs. Amounts expected to be incurred within 12 months are classified as accrued liabilities and amounts expected to be incurred beyond 12 months are classified as other liabilities in the condensed consolidated financial statements. For mature products, the warranty cost estimates are based on historical experience with the particular product. For newer products that do not have a history of warranty costs, the Company bases its estimates on its experience with the technology involved and the types of failures that may occur. It is possible that the Company’s underlying assumptions will not reflect the actual experience and, in that case, future adjustments will be made to the recorded warranty obligation. The following table reflects the change in the Company’s warranty accrual during the three months ended June 30, 2019 and 2018: Three Months Ended June 30, 2019 June 30, 2018 (In thousands) Balance, beginning of period $ 7,584 $ 6,914 Change in liability for warranties issued in period 2,182 475 Settlements made (in cash or in kind) during the period (1,316 ) (914 ) Balance, end of period $ 8,450 $ 6,475

Commitments and Contingencies

Commitments and Contingencies	3 Months Ended
	Jun. 30, 2019
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	Note 9 — Commitments and Contingencies In July 2019, the Company entered into an agreement with Boeing for the construction and purchase of a third ViaSat-3 class satellite and the integration of Viasat’s payload technologies into the satellite, which replaced and superseded the limited agreement to proceed entered into in January 2019 for the satellite. This satellite is expected to provide broadband services over the Asia and Pacific (APAC) region. From time to time, the Company is involved in a variety of claims, suits, investigations and proceedings arising in the ordinary course of business, including government investigations and claims, and other claims and proceedings with respect to intellectual property, breach of contract, labor and employment, tax and other matters. Such matters could result in fines; penalties, compensatory, treble or other damages; or non-monetary relief. A violation of government contract laws and regulations could also result in the termination of its government contracts or debarment from bidding on future government contracts. Although claims, suits, investigations and proceedings are inherently uncertain and their results cannot be predicted with certainty, the Company believes that the resolution of its current pending matters will not have a material adverse effect on its business, financial condition, results of operations or liquidity. The Company has contracts with various U.S. government agencies. Accordingly, the Company is routinely subject to audit and review by the DCMA, the DCAA and other U.S. government agencies of its performance on government contracts, indirect rates and pricing practices, accounting and management internal control business systems, and compliance with applicable contracting and procurement laws, regulations and standards. An adverse outcome to a review or audit or other failure to comply with applicable contracting and procurement laws, regulations and standards could result in material civil and criminal penalties and administrative sanctions being imposed on the Company, which may include termination of contracts, forfeiture of profits, triggering of price reduction clauses, suspension of payments, significant customer refunds, fines and suspension, or a prohibition on doing business with U.S. government agencies. In addition, if the Company fails to obtain an “adequate” determination of its various accounting and management internal control business systems from applicable U.S. government agencies or if allegations of impropriety are made against it, the Company could suffer serious harm to its business or its reputation, including its ability to bid on new contracts or receive contract renewals and its competitive position in the bidding process. The Company’s incurred cost audits by the DCAA have not been concluded for fiscal year 2019. As of June 30, 2019, the DCAA had completed its incurred cost audit for fiscal years 2004 and 2016 and approved the Company’s incurred costs for those fiscal years, as well as approved the Company’s incurred costs for fiscal years 2005 through 2015, 2017 and 2018 without further audit based on the determination of low risk. Although the Company has recorded contract revenues subsequent to fiscal year 2018 based upon an estimate of costs that the Company believes will be approved upon final audit or review, the Company does not know the outcome of any ongoing or future audits or reviews and adjustments, and if future adjustments exceed the Company’s estimates, its profitability would be adversely affected. As of June 30, 2019 and March 31, 2019, the Company had $4.9 million in contract-related reserves for its estimate of potential refunds to customers for potential cost adjustments on several multi-year U.S. government cost reimbursable contracts. This reserve is classified as either an element of accrued liabilities or as a reduction of unbilled accounts receivable based on the status of the related contracts.

Income Taxes

Income Taxes	3 Months Ended
	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Income Taxes	Note 10 — Income Taxes Ordinarily, the Company calculates its provision for income taxes at the end of each interim reporting period on the basis of an estimated annual effective tax rate adjusted for tax items that are discrete to each period. However, when a reliable estimate cannot be made, the Company computes its provision for income taxes using the actual effective tax rate (discrete method) for the year-to-date period. The Company’s effective tax rate is highly influenced by the amount of its R&D tax credits. A small change in estimated annual pretax income (loss) can produce a significant variance in the annual effective tax rate given the Company’s expected amount of R&D tax credits. This variability provides an unreliable estimate of the annual effective tax rate. As a result, and in accordance with the authoritative guidance for accounting for income taxes in interim periods, the Company has computed its provision for income taxes for the three months ended June 30, 2019 by applying the actual effective tax rate to the year-to-date income for the three-month period. For the three months ended June 30, 2019, the Company recorded an income tax benefit of $7.2 million resulting in an effective tax benefit rate of 39%. The effective tax benefit rate in the first quarter of fiscal year 2020 differed from the U.S. statutory rate due primarily to the benefit of R&D tax credits. For the three months ended June 30, 2018, the Company recorded an income tax benefit of $29.2 million, resulting in an effective tax benefit rate of 44%. The effective tax benefit rate in the first quarter of fiscal year 2019 differed from the U.S. statutory rate due primarily to the benefit of R&D tax credits. Future realization of existing deferred tax assets ultimately depends on future profitability and the existence of sufficient taxable income of appropriate character (for example, ordinary income versus capital gains) within the carryforward period available under tax law. In the event that the Company’s estimate of taxable income is less than that required to utilize the full amount of any deferred tax asset, a valuation allowance is established, which would cause a decrease to income in the period such determination is made. For the three months ended June 30, 2019, the Company’s gross unrecognized tax benefits increased by $3.1 million. In the next 12 months it is reasonably possible that the amount of unrecognized tax benefits will not change significantly.

Equity Method Investments and R

Equity Method Investments and Related-Party Transactions	3 Months Ended
	Jun. 30, 2019
Equity Method Investments And Related Party Transactions [Abstract]
Equity Method Investments and Related-Party Transactions	Note 11 — Equity Method Investments and Related-Party Transactions Eutelsat strategic partnering arrangement In March 2017, the Company acquired a 49% interest in Euro Broadband Infrastructure Sàrl (Euro Infrastructure Co.) for $139.5 million as part of the consummation of the Company’s strategic partnering arrangement with Eutelsat. The Company’s investment in Euro Infrastructure Co. is accounted for under the equity method and the total investment, including basis difference allocated to tangible assets, identifiable intangible assets, deferred income taxes and goodwill, is classified as a single line item, as an investment in unconsolidated affiliate, on the Company’s condensed consolidated balance sheets. Because the underlying net assets in Euro Infrastructure Co. and the related excess carrying value of investment over the proportionate share of net assets are denominated in Euros, foreign currency translation gains or losses impact the recorded value of the Company’s investment. The Company recorded a foreign currency translation loss, net of tax, of approximately $2.5 million and a foreign currency translation gain, net of tax, of approximately $3.5 million for the three months ended June 30, 2019 and 2018, respectively, in accumulated other comprehensive income (loss). The Company records its proportionate share of the results of Euro Infrastructure Co., and any related basis difference amortization expense, within equity in income (loss) of unconsolidated affiliate, net, one quarter in arrears. Accordingly, the Company included its share of the results of Euro Infrastructure Co. for the three months ended March 31, 2019 and March 31, 2018 in its condensed consolidated financial statements for the three months ended June 30, 2019 and June 30, 2018, respectively. The Company’s investment in Euro Infrastructure Co. is presented at cost of investment plus its accumulated proportional share of income or loss, including amortization of the difference in the historical basis of the Company’s contribution, less any distributions it has received. The difference between the Company’s carrying value of its investment in Euro Infrastructure Co. and its proportionate share of the net assets of Euro Infrastructure Co. as of June 30, 2019 and March 31, 2019 is summarized as follows: As of June 30, 2019 As of March 31, 2019 (In thousands) Carrying value of investment in Euro Infrastructure Co. $ 158,868 $ 160,711 Less: proportionate share of net assets of Euro Infrastructure Co. 143,429 145,016 Excess carrying value of investment over proportionate share of net assets $ 15,439 $ 15,695 The excess carrying value has been primarily assigned to: Goodwill $ 22,031 $ 22,476 Identifiable intangible assets 10,068 10,670 Tangible assets (17,699 ) (18,522 ) Deferred income taxes 1,039 1,071 $ 15,439 $ 15,695 The identifiable intangible assets have useful lives of up to 11 years and a weighted average useful life of approximately ten years, and tangible assets have useful lives of up to 11 years and a weighted average useful life of approximately 11 years. Goodwill is not deductible for tax purposes. The Company’s share of income on its investment in Euro Infrastructure Co. was $1.4 million and $1.1 million for the three months ended June 30, 2019 and 2018, respectively, consisting of the Company’s share of equity in Euro Infrastructure Co.’s income, including amortization of the difference in the historical basis of the Company’s contribution. Since acquiring its interest in Euro Infrastructure Co., the Company has recorded $7.8 million in retained earnings of undistributed cumulative earnings in equity interests, net of tax, as of June 30, 2019. Related-party transactions Transactions with the equity method investee are considered related-party transactions. The following tables set forth the material related-party transactions entered into between Euro Infrastructure Co. and its subsidiaries, on the one hand, and the Company and its subsidiaries, on the other hand, in the ordinary course of business for the time periods presented: Three Months Ended June 30, 2019 June 30, 2018 (In thousands) Revenue – Euro Infrastructure Co. $ 3,753 $ 1,851 Expense – Euro Infrastructure Co. 3,197 2,159 Cash received – Euro Infrastructure Co. * 2,430 Cash paid – Euro Infrastructure Co. 2,995 1,947 As of June 30, 2019 As of March 31, 2019 (In thousands) Accounts receivable – Euro Infrastructure Co. $ 1,936 * Collections in excess of revenues and deferred revenues – Euro Infrastructure Co. 1,438 4,703 * Amount was insignificant.

Segment Information

Segment Information	3 Months Ended
	Jun. 30, 2019
Segment Reporting [Abstract]
Segment Information	Note 12 — Segment Information The Company’s reporting segments, comprised of the satellite services, commercial networks and government systems segments, are primarily distinguished by the type of customer and the related contractual requirements. The Company’s satellite services segment provides satellite-based broadband and related services to residential customers, customers accessing our services via our Community and Urban Wi-Fi hotspot distribution channels, enterprises, commercial airlines and mobile broadband customers. The Company’s commercial networks segment develops and offers advanced satellite and wireless broadband platforms, ground networking equipment, radio frequency and advanced microwave solutions, Application-Specific Integrated Circuit chip design, satellite payload development and space-to-earth connectivity systems, some of which are ultimately used by the Company’s satellite services segment. The Company’s government systems segment provides global mobile broadband services to military and government users and develops and offers network-centric, internet protocol-based fixed and mobile secure communications products and solutions. The more regulated government environment is subject to unique contractual requirements and possesses economic characteristics which differ from the satellite services and commercial networks segments. The Company’s segments are determined consistent with the way management currently organizes and evaluates financial information internally for making operating decisions and assessing performance. Segment revenues and operating profits (losses) for the three months ended June 30, 2019 and 2018 were as follows: Three Months Ended June 30, 2019 June 30, 2018 (In thousands) Revenues: Satellite services Product $ — $ — Service 196,815 153,561 Total 196,815 153,561 Commercial networks Product 64,901 85,133 Service 14,111 9,933 Total 79,012 95,066 Government systems Product 198,714 132,996 Service 62,496 57,246 Total 261,210 190,242 Elimination of intersegment revenues — — Total revenues $ 537,037 $ 438,869 Operating profits (losses): Satellite services $ (2,070 ) $ (29,936 ) Commercial networks (49,861 ) (47,008 ) Government systems 45,903 24,918 Elimination of intersegment operating profits — — Segment operating loss before corporate and amortization of acquired intangible assets (6,028 ) (52,026 ) Corporate — — Amortization of acquired intangible assets (2,037 ) (2,453 ) Loss from operations $ (8,065 ) $ (54,479 ) Assets identifiable to segments include: accounts receivable, unbilled accounts receivable, inventory, acquired intangible assets and goodwill. The Company’s property and equipment, including its satellites, earth stations and other networking equipment, are assigned to corporate assets as they are available for use by the various segments throughout their estimated useful lives. Segment assets as of June 30 , 20 1 9 and March 31, 201 9 were as follows: As of June 30, 2019 As of March 31, 2019 (In thousands) Segment assets: Satellite services $ 78,854 $ 85,907 Commercial networks 189,615 183,200 Government systems 439,739 408,422 Total segment assets 708,208 677,529 Corporate assets 3,554,078 3,237,758 Total assets $ 4,262,286 $ 3,915,287 Other acquired intangible assets, net and goodwill included in segment assets as of June 30, 2019 and March 31, 2019 were as follows: Other Acquired Intangible Assets, Net Goodwill As of June 30, 2019 As of March 31, 2019 As of June 30, 2019 As of March 31, 2019 (In thousands) Satellite services $ 9,721 $ 10,453 $ 13,667 $ 13,617 Commercial networks 1,413 1,798 43,973 43,933 Government systems 9,220 10,050 63,975 64,169 Total $ 20,354 $ 22,301 $ 121,615 $ 121,719 Amortization of acquired intangible assets by segment for the three months ended June 30, 2019 and 2018 was as follows: Three Months Ended June 30, 2019 June 30, 2018 (In thousands) Satellite services $ 855 $ 1,305 Commercial networks 386 385 Government systems 796 763 Total amortization of acquired intangible assets $ 2,037 $ 2,453

Basis of Presentation (Policies

Basis of Presentation (Policies)	3 Months Ended
	Jun. 30, 2019
Accounting Policies [Abstract]
Principles of consolidation	The Company’s condensed consolidated financial statements include the assets, liabilities and results of operations of Viasat, its wholly owned subsidiaries and its majority-owned subsidiary, TrellisWare Technologies, Inc. (TrellisWare). During the third quarter of fiscal year 2019, Viasat Europe Sàrl (formerly known as Euro Broadband Retail Sàrl), which was previously a majority-owned subsidiary, became a wholly owned subsidiary when the Company purchased the remaining 49% interest in the company for an insignificant amount. All significant intercompany amounts have been eliminated. Investments in entities in which the Company can exercise significant influence, but does not own a majority equity interest or otherwise control, are accounted for using the equity method and are included as investment in unconsolidated affiliate in other assets (long-term) on the condensed consolidated balance sheets.
Management estimates and assumptions	The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and reported amounts of revenues and expenses during the reporting period. Estimates have been prepared on the basis of the most current and best available information and actual results could differ from those estimates. Significant estimates made by management include revenue recognition, stock-based compensation, self-insurance reserves, allowance for doubtful accounts, warranty accruals, valuation of goodwill and other intangible assets, patents, orbital slots and other licenses, software development, property, equipment and satellites, long-lived assets, derivatives, contingencies and income taxes including the valuation allowance on deferred tax assets.
Revenue recognition	Revenue recognition Effective April 1, 2018, the Company adopted Accounting Standards Update (ASU) 2014-09, Revenue from Contracts with Customers (commonly referred to as Accounting Standards Codification (ASC) 606). This update established ASC 606, Revenue from Contracts with Customers and ASC 340-40, Other Assets and Deferred Costs – Contracts with Customers. The Company applied the five-step model under ASC 606 to its contracts with its customers to determine the impact of the new standard. Under this model the Company (1) identifies the contract with the customer, (2) identifies its performance obligations in the contract, (3) determines the transaction price for the contract, (4) allocates the transaction price to its performance obligations and (5) recognizes revenue when or as it satisfies its performance obligations. These performance obligations generally include the purchase of services (including broadband capacity and the leasing of broadband equipment), the purchase of products, and the development and delivery of complex equipment built to customer specifications under long-term contracts. Performance obligations The timing of satisfaction of performance obligations may require judgment. The Company derives a substantial portion of its revenues from contracts with customers for services, primarily consisting of connectivity services. These contracts typically require advance or recurring monthly payments by the customer. The Company’s obligation to provide connectivity services is satisfied over time as the customer simultaneously receives and consumes the benefits provided. The measure of progress over time is based upon either a period of time (e.g., over the estimated contractual term) or usage (e.g., bandwidth used/bytes of data processed). The Company evaluates whether broadband equipment provided to its customer as part of the delivery of connectivity services represents a lease in accordance with ASC 842. As discussed further below under “Leases - Lessor accounting”, for broadband equipment leased to consumer broadband customers in conjunction with the delivery of connectivity services, the Company accounts for the lease and non-lease components of connectivity service arrangements as a single performance obligation as the connectivity services represent the predominant component. The Company also derives a portion of its revenues from contracts with customers to provide products. Performance obligations to provide products are satisfied at the point in time when control is transferred to the customer. These contracts typically require payment by the customer upon passage of control and determining the point at which control is transferred may require judgment. To identify the point at which control is transferred to the customer, the Company considers indicators that include, but are not limited to, whether (1) the Company has the present right to payment for the asset, (2) the customer has legal title to the asset, (3) physical possession of the asset has been transferred to the customer, (4) the customer has the significant risks and rewards of ownership of the asset, and (5) the customer has accepted the asset. For product revenues, control generally passes to the customer upon delivery of goods to the customer. The vast majority of the Company’s revenues from long-term contracts to develop and deliver complex equipment built to customer specifications are derived from contracts with the U.S. government (including foreign military sales contracted through the U.S. government). The Company’s contracts with the U.S. government typically are subject to the Federal Acquisition Regulation (FAR) and are priced based on estimated or actual costs of producing goods or providing services. The FAR provides guidance on the types of costs that are allowable in establishing prices for goods and services provided under U.S. government contracts. The pricing for non-U.S. government contracts is based on the specific negotiations with each customer. Under the typical payment terms of the Company’s U.S. government fixed-price contracts, the customer pays the Company either performance-based payments (PBPs) or progress payments. PBPs are interim payments based on quantifiable measures of performance or on the achievement of specified events or milestones. Progress payments are interim payments based on a percentage of the costs incurred as the work progresses. Because the customer can often retain a portion of the contract price until completion of the contract, the Company’s U.S. government fixed-price contracts generally result in revenue recognized in excess of billings which the Company presents as unbilled accounts receivable on the balance sheet. Amounts billed and due from the Company’s customers are classified as receivables on the balance sheet. The portion of the payments retained by the customer until final contract settlement is not considered a significant financing component because the intent is to protect the customer. For the Company’s U.S. government cost-type contracts, the customer generally pays the Company for its actual costs incurred within a short period of time. For non-U.S. government contracts, the Company typically receives interim payments as work progresses, although for some contracts, the Company may be entitled to receive an advance payment. The Company recognizes a liability for these advance payments in excess of revenue recognized and presents it as collections in excess of revenues and deferred revenues on the balance sheet. An advance payment is not typically considered a significant financing component because it is used to meet working capital demands that can be higher in the early stages of a contract and to protect the Company from the other party failing to adequately complete some or all of its obligations under the contract. Performance obligations related to developing and delivering complex equipment built to customer specifications under long-term contracts are recognized over time as these performance obligations do not create assets with an alternative use to the Company and the Company has an enforceable right to payment for performance to date. To measure the transfer of control, revenue is recognized based on the extent of progress towards completion of the performance obligation. The selection of the method to measure progress towards completion requires judgment and is based on the nature of the products or services to be provided. The Company generally uses the cost-to-cost measure of progress for its contracts because that best depicts the transfer of control to the customer which occurs as the Company incurs costs on its contracts. Under the cost-to-cost measure of progress, the extent of progress towards completion is measured based on the ratio of costs incurred to date to the total estimated costs at completion of the performance obligation. When estimates of total costs to be incurred on a contract exceed total estimates of revenue to be earned, a provision for the entire loss on the contract is recognized in the period the loss is determined. Contract costs on U.S. government contracts are subject to audit and review by the Defense Contracting Management Agency (DCMA), the Defense Contract Audit Agency (DCAA), and other U.S. government agencies, as well as negotiations with U.S. government representatives. The Company’s incurred cost audits by the DCAA have not been concluded for fiscal year 2019. As of June 30, 2019, the DCAA had completed its incurred cost audit for fiscal years 2004 and 2016 and approved the Company’s incurred costs for those fiscal years, as well as approved the Company’s incurred costs for fiscal years 2005 through 2015, 2017 and 2018 without further audit based on a determination of low risk. Although the Company has recorded contract revenues subsequent to fiscal year 2018 based upon an estimate of costs that the Company believes will be approved upon final audit or review, the Company does not know the outcome of any ongoing or future audits or reviews and adjustments, and if future adjustments exceed the Company’s estimates, its profitability would be adversely affected. As of June 30, 2019 and March 31, 2019, the Company had $4.9 million in contract-related reserves for its estimate of potential refunds to customers for potential cost adjustments on several multi-year U.S. government cost reimbursable contracts (see Note 9). Evaluation of transaction price The evaluation of transaction price, including the amounts allocated to performance obligations, may require significant judgments. Due to the nature of the work required to be performed on many of the Company’s performance obligations, the estimation of total revenue, and where applicable the cost at completion, is complex, subject to many variables and requires significant judgment. The Company’s contracts may contain award fees, incentive fees, or other provisions, including the potential for significant financing components, that can either increase or decrease the transaction price. These amounts, which are sometimes variable, can be dictated by performance metrics, program milestones or cost targets, the timing of payments, and customer discretion. The Company estimates variable consideration at the amount to which it expects to be entitled. The Company includes estimated amounts in the transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized will not occur when the uncertainty associated with the variable consideration is resolved. The Company’s estimates of variable consideration and determination of whether to include estimated amounts in the transaction price are based largely on an assessment of the Company’s anticipated performance and all information (historical, current and forecasted) that is reasonably available to the Company. In the event an agreement includes embedded financing components, the Company recognizes interest expense or interest income on the embedded financing components using effective interest method. This methodology uses an implied interest rate which reflects the incremental borrowing rate which would be expected to be obtained in a separate financing transaction. The Company has elected the practical expedient not to adjust the promised amount of consideration for the effects of a significant financing component if the Company expects, at contract inception, that the period between when the Company transfers a promised good or service to a customer and when the customer pays for that good or service will be one year or less. If a contract is separated into more than one performance obligation, the total transaction price is allocated to each performance obligation in an amount based on the estimated relative standalone selling prices of the promised goods or services underlying each performance obligation. Estimating standalone selling prices may require judgment. When available, the Company utilizes the observable price of a good or service when the Company sells that good or service separately in similar circumstances and to similar customers. If a standalone selling price is not directly observable, the Company estimates the standalone selling price by considering all information (including market conditions, specific factors, and information about the customer or class of customer) that is reasonably available. Transaction price allocated to remaining performance obligations The Company’s remaining performance obligations represent the transaction price of firm contracts and orders for which work has not been performed. The Company includes in its remaining performance obligations only those contracts and orders for which it has accepted purchase orders. Remaining performance obligations associated with the Company’s subscribers for fixed consumer and business broadband services in its satellite services segment exclude month-to-month service contracts in accordance with a practical expedient and are estimated using a portfolio approach in which the Company reviews all relevant promotional activities and calculates the remaining performance obligation using the average service component for the portfolio and the average time remaining under the contract. The Company’s future recurring in-flight connectivity (IFC) service contracts in its satellite services segment do not have minimum service purchase requirements and therefore are not included in the Company’s remaining performance obligations. As of June 30, 2019, the aggregate amount of the transaction price allocated to remaining performance obligations was $1.8 billion, of which the Company expects to recognize a little over half over the next twelve months, with the balance recognized thereafter. Disaggregation of revenue The Company operates and manages its business in three reportable segments: satellite services, commercial networks and government systems. Revenue is disaggregated by products and services, customer type, contract type, and geographic area, respectively, as the Company believes this approach best depicts how the nature, amount, timing and uncertainty of its revenue and cash flows are affected by economic factors. The following sets forth disaggregated reported revenue by segment and product and services for the three months ended June 30, 2019 and June 30, 2018: Three Months Ended June 30, 2019 Satellite Services Commercial Networks Government Systems Total Revenues (In thousands) Product revenues $ — $ 64,901 $ 198,714 $ 263,615 Service revenues 196,815 14,111 62,496 273,422 Total revenues $ 196,815 $ 79,012 $ 261,210 $ 537,037 . Three Months Ended June 30, 2018 Satellite Services Commercial Networks Government Systems Total Revenues (In thousands) Product revenues $ — $ 85,133 $ 132,996 $ 218,129 Service revenues 153,561 9,933 57,246 220,740 Total revenues $ 153,561 $ 95,066 $ 190,242 $ 438,869 Revenues from the U.S. government as an individual customer comprised approximately 30% and 28% of total revenues for the three months ended June 30, 2019 and June 30, 2018, respectively, mainly reported within the government systems segment. The Company’s commercial customers, mainly reported within the commercial networks and satellite services segments, comprised approximately 70% and 72% of total revenues for the three months ended June 30, 2019 and June 30, 2018, respectively. The Company’s satellite services segment revenues are primarily derived from the Company’s fixed broadband services, IFC services and worldwide managed network services. Revenues in the Company’s commercial networks and government systems segments are primarily derived from three types of contracts: fixed-price, cost-reimbursement, and time-and-materials contracts. Fixed-price contracts (which require the Company to provide products and services under a contract at a specified price) comprised approximately 87% and 89% of the Company’s total revenues for these segments for the three months ended June 30, 2019 and June 30, 2018, respectively. The remainder of the Company’s revenues in these segments for such periods was derived primarily from cost-reimbursement contracts (under which the Company is reimbursed for all actual costs incurred in performing the contract to the extent such costs are within the contract ceiling and allowable under the terms of the contract, plus a fee or profit) and from time-and-materials contracts (under which the Company is reimbursed for the number of labor hours expended at an established hourly rate negotiated in the contract, plus the cost of materials utilized in providing such products or services). Historically, a significant portion of the Company’s revenues in its commercial networks and government systems segments has been derived from customer contracts that include the development of products. The development efforts are conducted in direct response to the customer’s specific requirements and, accordingly, expenditures related to such efforts are included in cost of sales when incurred and the related funding (which includes a profit component) is included in revenues. Revenues for the Company’s funded development from its customer contracts were approximately 23% and 18% of its total revenues for the three months ended June 30, 2019 and June 30, 2018, respectively. Revenues by geographic area for the three months ended June 30, 2019 and June 30, 2018 were as follows: Three Months Ended June 30, 2019 June 30, 2018 (In thousands) U.S. customers $ 461,283 $ 378,172 Non-U.S. customers (each country individually insignificant) 75,754 60,697 Total revenues $ 537,037 $ 438,869 The Company distinguishes revenues from external customers by geographic area based on customer location. Contract balances Contract balances consist of contract assets and contract liabilities. A contract asset, or with respect to the Company, an unbilled accounts receivable, is recorded when revenue is recognized in advance of the Company’s right to bill and receive consideration, typically resulting from sales under long-term contracts. Unbilled accounts receivable are generally expected to be billed and collected within one year. The unbilled accounts receivable will decrease as provided services or delivered products are billed. The Company receives payments from customers based on a billing schedule established in the Company’s contracts. When consideration is received in advance of the delivery of goods or services, a contract liability, or with respect to the Company, collections in excess of revenues or deferred revenues, is recorded. Reductions in the collections in excess of revenues or deferred revenues will be recorded as the Company satisfies the performance obligations. The following table presents contract assets and liabilities as of June 30, 2019 and March 31, 2019: As of June 30, 2019 As of March 31, 2019 (In thousands) Unbilled accounts receivable $ 97,460 $ 83,743 Collections in excess of revenues and deferred revenues 123,304 125,540 Deferred revenues, long-term portion 85,894 71,230 Unbilled accounts receivable increased $13.7 million during the three months ended June 30, 2019, primarily driven by revenue recognized in the Company’s government systems segment in excess of billings. Collections in excess of revenues and deferred revenues decreased $2.2 million during the three months ended June 30, 2019, primarily driven by revenue recognized in excess of advances on goods or services received in the Company’s satellite services segment. During the three months ended June 30, 2019, the Company recognized revenue of $52.6 million related to the Company’s collections in excess of revenues and deferred revenues at March 31, 2019.
Advertising costs	Advertising costs In accordance with the authoritative guidance for advertising costs (ASC 720-35), advertising costs are expensed as incurred and included in selling, general and administrative expenses. Advertising expenses for the three months ended June 30, 2019 and 2018 were $5.0 million and $6.6 million, respectively.
Property, equipment and satellites	Property, equipment and satellites Satellites and other property and equipment, including internally developed software, are recorded at cost or, in the case of certain satellites and other property acquired, the fair value at the date of acquisition, net of accumulated depreciation. Capitalized satellite costs consist primarily of the costs of satellite construction and launch, including launch insurance and insurance during the period of in-orbit testing, the net present value of performance incentives expected to be payable to satellite manufacturers (dependent on the continued satisfactory performance of the satellites), costs directly associated with the monitoring and support of satellite construction, and interest costs incurred during the period of satellite construction. The Company also constructs earth stations, network operations systems and other assets to support its satellites, and those construction costs, including interest, are capitalized as incurred. At the time satellites are placed in service, the Company estimates the useful life of its satellites for depreciation purposes based upon an analysis of each satellite’s performance against the original manufacturer’s orbital design life, estimated fuel levels and related consumption rates, as well as historical satellite operating trends. Costs incurred for additions to property, equipment and satellites, together with major renewals and betterments, are capitalized and depreciated over the remaining life of the underlying asset. Costs incurred for maintenance, repairs and minor renewals and betterments are charged to expense as incurred. When assets are sold or otherwise disposed of, the cost and related accumulated depreciation or amortization are removed from the accounts and any resulting gain or loss is recognized in operations, which for the periods presented, primarily related to losses incurred for unreturned customer premise equipment (CPE). The Company computes depreciation using the straight-line method over the estimated useful lives of the assets ranging from two to 24 years . Leasehold improvements are capitalized and amortized using the straight-line method over the shorter of the lease term or the life of the improvement . Costs related to internally developed software for internal uses are capitalized after the preliminary project stage is complete and are amortized over the estimated useful lives of the assets, which are approximately three to seven years. Capitalized costs for internal-use software are included in property and equipment, net in the Company’s consolidated balance sheet. Interest expense is capitalized on the carrying value of assets under construction, in accordance with the authoritative guidance for the capitalization of interest (ASC 835-20). With respect to the ViaSat-3 class satellites, gateway and networking equipment and other assets under construction, the Company capitalized $11.3 million and $6.2 million of interest expense for the three months ended June 30, 2019 and June 30, 2018, respectively. The Company owns three satellites in service: ViaSat-2 (its second-generation high-capacity Ka-band spot-beam satellite, which was placed into service in the fourth quarter of fiscal year 2018), ViaSat-1 (its first-generation high-capacity Ka-band spot-beam satellite, which was placed into service in January 2012) and WildBlue-1 (which was placed into service in March 2007). The Company also has two third-generation ViaSat-3 class satellites that have entered the phase of full construction. In July 2019, the Company entered into an agreement with The Boeing Company (Boeing) for the construction and purchase of a third ViaSat-3 class satellite and the integration of Viasat’s payload technologies into the satellite. The Company also has an exclusive prepaid lifetime capital lease of Ka-band capacity over the contiguous United States on Telesat Canada’s Anik F2 satellite (which was placed into service in April 2005) and owns related earth stations and networking equipment for all of its satellites. The Company periodically reviews the remaining estimated useful life of its satellites to determine if revisions to estimated lives are necessary. The Company procures indoor and outdoor CPE units leased to subscribers under a retail leasing program as part of the Company’s satellite services segment, which are reflected in investing activities and property and equipment in the accompanying condensed consolidated financial statements. The Company depreciates the satellites, earth stations and networking equipment, CPE units and related installation costs over their estimated useful lives. The total cost and accumulated depreciation of CPE units included in property and equipment, net, as of June 30, 2019 were $377.2 million and $148.8 million, respectively. The total cost and accumulated depreciation of CPE units included in property and equipment, net, as of March 31, 2019 were $373.4 million and $142.6 million, respectively. On June 1, 2017, the Company’s second-generation ViaSat-2 satellite was successfully launched into orbit. In the fourth quarter of fiscal year 2018, shortly before the launch of commercial broadband services on the satellite, the Company reported an antenna deployment issue. The Company worked with the satellite manufacturer to determine the root cause of the antenna deployment issue, potential correcting measures, and resulting damage. In the second quarter of fiscal year 2019, the root cause analysis was completed. Based on that analysis, during the second quarter of fiscal year 2019, the Company recorded a reduction to the carrying value of the ViaSat-2 satellite of $177.4 million, with a corresponding insurance receivable of $177.4 million, based on the Company’s estimated ViaSat-2 output capabilities as compared to the anticipated, potential and configured capacity of the ViaSat-2 satellite. During the three months ended June 30, 2019, the Company received $2.3 million (for a cumulative total of $188.0 million) in insurance recovery proceeds related to such claims. No insurance recovery proceeds were received during the three months ended June 30, 2018. The ViaSat-2 satellite was primarily financed by the Company’s direct loan facility with the Export-Import Bank of the United States for ViaSat-2 (the Ex-Im Credit Facility) (see Note 7 — Senior Notes and Other Long-Term Debt for more information). Pursuant to the terms of the Ex-Im Credit Facility, insurance proceeds received from such claims were used to pay down outstanding borrowings under the Ex-Im Credit Facility. Occasionally, the Company may enter into capital lease arrangements for various machinery, equipment, computer-related equipment, software, furniture or fixtures. The Company records amortization of assets leased under capital lease arrangements within depreciation expense.
Capitalized interest policy	Interest expense is capitalized on the carrying value of assets under construction, in accordance with the authoritative guidance for the capitalization of interest (ASC 835-20).
Lessee Accounting	Lessee accounting For contracts entered into on or after April 1, 2019, the Company assesses at contract inception whether the contract is, or contains, a lease. Generally, the Company determines that a lease exists when (i) the contract involves the use of a distinct identified asset, (ii) the Company obtains the right to substantially all economic benefits from use of the asset, and (iii) the Company has the right to direct the use of the asset. A lease is classified as a finance lease when one or more of the following criteria are met: (i) the lease transfers ownership of the asset by the end of the lease term, (ii) the lease contains an option to purchase the asset that is reasonably certain to be exercised, (iii) the lease term is for a major part of the remaining useful life of the asset, (iv) the present value of the lease payments equals or exceeds substantially all of the fair value of the asset or (v) the asset is of such a specialized nature that it is expected to have no alternative use to the lessor at the end of the lease term. A lease is classified as an operating lease if it does not meet any of these criteria. At the lease commencement date, the Company recognizes a right-of-use asset and a lease liability for all leases, except short-term leases with an original term of 12 months or less. The right-of-use asset represents the right to use the leased asset for the lease term. The lease liability represents the present value of the lease payments under the lease. The right-of-use asset is initially measured at cost, which primarily comprises the initial amount of the lease liability, less any lease incentives received. All right-of-use assets are periodically reviewed for impairment in accordance with standards that apply to long-lived assets. The lease liability is initially measured at the present value of the lease payments, discounted using an estimate of our incremental borrowing rate for a collateralized loan with the same term as the underlying leases. The Company reports operating lease right-of-use assets in operating lease right-of-use assets and the current and noncurrent portions of its operating lease liabilities in accrued and other liabilities and non-current operating lease liabilities, respectively. Lease payments included in the measurement of lease liabilities consist of (i) fixed lease payments for the noncancelable lease term, (ii) fixed lease payments for optional renewal periods where it is reasonably certain the renewal option will be exercised, and (iii) variable lease payments that depend on an underlying index or rate, based on the index or rate in effect at lease commencement . Certain of the Company’s real estate lease agreements require variable lease payments that do not depend on an underlying index or rate established at lease commencement . Such payments and changes in payments based on a rate or index are recognized in operating expenses when incurred. Lease expense for operating leases consists of the fixed lease payments recognized on a straight-line basis over the lease term plus variable lease payments as incurred.
Lessor Accounting	Lessor accounting For broadband equipment leased to consumer broadband customers in conjunction with the delivery of connectivity services, the Company has made an accounting policy election not to separate the broadband equipment from the related connectivity services. The connectivity services are the predominant component of these arrangements. The connectivity services are accounted for in accordance with ASC 606. The Company is also a lessor for certain insignificant communications equipment. These leases meet the criteria for operating lease classification. Lease income associated with these leases is not material.
Patents, orbital slots and other licenses	Patents, orbital slots and other licenses The Company capitalizes the costs of obtaining or acquiring patents, orbital slots and other licenses. Amortization of intangible assets that have finite lives is provided for by the straight-line method over the shorter of the legal or estimated economic life. Total capitalized costs of $3.2 million related to patents were included in other assets as of June 30, 2019 and March 31, 2019. The Company capitalized costs of $34.5 million and $22.9 million related to acquiring and obtaining orbital slots and other licenses included in other assets as of June 30, 2019 and March 31, 2019, respectively. Accumulated amortization related to these assets was $3.2 million and $3.0 million as of June 30, 2019 and March 31, 2019, respectively. Amortization expense related to these assets was an insignificant amount for the three months ended June 30, 2019 and 2018. If a patent, orbital slot or orbital license is rejected, abandoned or otherwise invalidated, the unamortized cost is expensed in that period. During the three months ended June 30, 2019 and 2018, the Company did not write off any significant costs due to abandonment or impairment.
Debt issuance costs	Debt issuance costs Debt issuance costs are amortized and recognized as interest expense using the effective interest rate method, or, when the results are not materially different, on a straight-line basis over the expected term of the related debt. During the three months ended June 30, 2019 and 2018, no debt issuance costs were capitalized. Unamortized debt issuance costs related to extinguished debt are expensed at the time the debt is extinguished and recorded in loss on extinguishment of debt in the condensed consolidated statements of operations and comprehensive income (loss). Debt issuance costs related to the Company’s revolving credit facility (the Revolving Credit Facility) are recorded in prepaid expenses and other current assets and in other long-term assets in the condensed consolidated balance sheets in accordance with the authoritative guidance for imputation of interest (ASC 835-30). Debt issuance costs related to the Company’s 5.625% Senior Notes due 2025 (the 2025 Notes), the Company’s 5.625% Senior Secured Notes due 2027 (the 2027 Notes) and the Ex-Im Credit Facility are recorded as a direct deduction from the carrying amount of the related debt, consistent with debt discounts, in accordance with the authoritative guidance for imputation of interest (ASC 835-30).
Software development	Software development Costs of developing software for sale are charged to research and development (R&D) expense when incurred, until technological feasibility has been established. Software development costs incurred from the time technological feasibility is reached until the product is available for general release to customers are capitalized and reported at the lower of unamortized cost or net realizable value. Once the product is available for general release, the software development costs are amortized based on the ratio of current to future revenue for each product with an annual minimum equal to straight-line amortization over the remaining estimated economic life of the product, generally within five years. Capitalized costs, net, of $242.1 million and $244.4 million related to software developed for resale were included in other assets as of June 30, 2019 and March 31, 2019, respectively. The Company capitalized $9.7 million and $11.4 million of costs related to software developed for resale for the three months ended June 30, 2019 and 2018, respectively. Amortization expense for capitalized software development costs was $12.0 million and $11.4 million for the three months ended June 30, 2019 and 2018, respectively.
Self-insurance liabilities	Self-insurance liabilities The Company has self-insurance plans to retain a portion of the exposure for losses related to employee medical benefits and workers’ compensation. The self-insurance plans include policies which provide for both specific and aggregate stop-loss limits. The Company utilizes internal actuarial methods as well as other historical information for the purpose of estimating ultimate costs for a particular plan year. Based on these actuarial methods, along with currently available information and insurance industry statistics, the Company has recorded self-insurance liability for its plans of $5.4 million in accrued and other liabilities in the condensed consolidated balance sheets as of June 30, 2019 and March 31, 2019. The Company’s estimate, which is subject to inherent variability, is based on average claims experience in the Company’s industry and its own experience in terms of frequency and severity of claims, including asserted and unasserted claims incurred but not reported, with no explicit provision for adverse fluctuation from year to year. This variability may lead to ultimate payments being either greater or less than the amounts presented above. Self-insurance liabilities have been classified as a current liability in accrued and other liabilities in accordance with the estimated timing of the projected payments.
Indemnification provisions	Indemnification provisions In the ordinary course of business, the Company includes indemnification provisions in certain of its contracts, generally relating to parties with which the Company has commercial relations. Pursuant to these agreements, the Company will indemnify, hold harmless and agree to reimburse the indemnified party for losses suffered or incurred by the indemnified party, including but not limited to losses relating to third-party intellectual property claims. To date, there have not been any material costs incurred in connection with such indemnification clauses. The Company’s insurance policies do not necessarily cover the cost of defending indemnification claims or providing indemnification, so if a claim was filed against the Company by any party that the Company has agreed to indemnify, the Company could incur substantial legal costs and damages. A claim would be accrued when a loss is considered probable and the amount can be reasonably estimated. At June 30, 2019 and March 31, 2019, no such amounts were accrued related to the aforementioned provisions.
Noncontrolling interests	Noncontrolling interests A noncontrolling interest represents the equity interest in a subsidiary that is not attributable, either directly or indirectly, to the Company and is reported as equity of the Company, separately from the Company’s controlling interest. Revenues, expenses, gains, losses, net income (loss) and other comprehensive income (loss) are reported in the condensed consolidated financial statements at the consolidated amounts, which include the amounts attributable to both the controlling and noncontrolling interest.
Investments in unconsolidated affiliate - equity method	Investments in unconsolidated affiliate — equity method Investments in entities in which the Company can exercise significant influence, but does not own a majority equity interest or otherwise control, are accounted for using the equity method and are included as investment in unconsolidated affiliate in other assets (long-term) on the condensed consolidated balance sheets. The Company records its share of the results of such entities within equity in income (loss) of unconsolidated affiliate, net on the condensed consolidated statements of operations and comprehensive income (loss). The Company monitors such investments for other-than-temporary impairment by considering factors including the current economic and market conditions and the operating performance of the entities and records reductions in carrying values when necessary. The fair value of privately held investments is estimated using the best available information as of the valuation date, including current earnings trends, undiscounted cash flows, quoted stock prices of comparable public companies, and other company specific information, including recent financing rounds.
Derivatives	Derivatives The Company enters into foreign currency forward and option contracts from time to time to hedge certain forecasted foreign currency transactions. Gains and losses arising from foreign currency forward and option contracts not designated as hedging instruments are recorded in other income (expense) as gains (losses) on derivative instruments. Gains and losses arising from the effective portion of foreign currency forward and option contracts which are designated as cash-flow hedging instruments are recorded in accumulated other comprehensive income (loss) as unrealized gains (losses) on derivative instruments until the underlying transaction affects the Company’s earnings, at which time they are then recorded in the same income statement line as the underlying transaction.
Stock-based compensation	Stock-based compensation In accordance with the authoritative guidance for share-based payments (ASC 718), the Company measures stock-based compensation cost at the grant date, based on the estimated fair value of the award. Expense for restricted stock units and stock options is recognized on a straight-line basis over the employee’s requisite service period. Expense for total shareholder return (TSR) performance stock options that vest is recognized regardless of the actual TSR outcome achieved and is recognized on a graded-vesting basis. The Company accounts for forfeitures as they occur.
Income taxes	Income taxes Accruals for uncertain tax positions are provided for in accordance with the authoritative guidance for accounting for uncertainty in income taxes (ASC 740). The Company may recognize the tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained on examination by the taxing authorities, based on the technical merits of the position. The tax benefits recognized in the financial statements from such a position should be measured based on the largest benefit that has a greater than 50% likelihood of being realized upon ultimate settlement. The authoritative guidance for accounting for uncertainty in income taxes also provides guidance on derecognition of income tax assets and liabilities, classification of deferred income tax assets and liabilities, accounting for interest and penalties associated with tax positions, and income tax disclosures. The Company’s policy is to recognize interest expense and penalties related to income tax matters as a component of income tax expense. Ordinarily, the Company calculates its provision for income taxes at the end of each interim reporting period on the basis of an estimated annual effective tax rate adjusted for tax items that are discrete to each period. However, when a reliable estimate cannot be made, the Company computes its provision for income taxes using the actual effective tax rate (discrete method) for the year-to-date period. The Company’s effective tax rate is highly influenced by the amount of its R&D tax credits. A small change in estimated annual pretax income (loss) can produce a significant variance in the annual effective tax rate given the Company’s expected amount of R&D tax credits. This variability provides an unreliable estimate of the annual effective tax rate. As a result, and in accordance with the authoritative guidance for accounting for income taxes in interim periods, the Company has computed its provision for income taxes for the three months ended June 30, 2019, by applying the actual effective tax rate to the year-to-date income for the three-month period. A deferred income tax asset or liability is established for the expected future tax consequences resulting from differences in the financial reporting and tax bases of assets and liabilities and for the expected future tax benefit to be derived from tax credit and loss carryforwards. Deferred tax assets are reduced by a valuation allowance when, in the opinion of management, it is more likely than not that some portion or all of the deferred tax assets will not be realized.
Recent authoritative guidance	Recent authoritative guidance In February 2016, the Financial Accounting Standards Board (FASB) issued ASU 2016-02, Leases (ASC 842). ASU 2016-02 requires lessees to recognize most leases on their balance sheets as lease liabilities with corresponding right-of-use assets and eliminates certain real estate-specific provisions. In January 2018, the FASB issued ASU 2018-01, Leases (ASC 842). ASU 2018-01 permits an entity to elect an optional transition practical expedient to not evaluate land easements that exist or expired before the entity’s adoption of ASC 842 and that were not previously accounted for as leases under ASC 840. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to ASC 842, Leases, which was issued to provide more detailed guidance and additional clarification for implementing ASU 2016-02. In July 2018, the FASB issued ASU 2018-11, Leases (ASC 842): Targeted Improvements, which provides an additional (and optional) transition method whereby the new lease standard is applied at the adoption date and recognized as an adjustment to retained earnings. In December 2018, the FASB issued ASU 2018-20, Leases (ASC 842): Narrow-Scope Improvements for Lessors, and in March 2019, the FASB issued ASU 2019-01 (ASC 842): Codification Improvements, both of which provide certain amendments that affect narrow aspects of the guidance issued in ASU 2016-02. The new guidance became effective for the Company beginning in the first quarter of fiscal year 2020. The Company adopted the new guidance using the optional transition method in the first quarter of fiscal year 2020. Therefore, the periods prior to the effective date of adoption continue to be reported under the current authoritative guidance for leases (ASC 840). The adoption of this guidance materially impacted the Company’s consolidated balance sheet as of June 30, 2019 due to the recognition of lease liabilities and right-of-use assets. The new guidance did not have a material impact on the Company’s condensed consolidated statements of operations and comprehensive income (loss) or condensed consolidated statements of cash flows. For additional information see Note 1 – Leases In June 2016, the FASB issued ASU 2016-13, Financial Instruments — Credit Losses (ASC 326). ASU 2016-13 requires credit losses on most financial assets measured at amortized cost and certain other instruments to be measured using an expected credit loss model (referred to as the current expected credit loss (CECL) model). It also modifies the impairment model for available-for-sale debt securities and provides for a simplified accounting model for purchased financial assets with credit deterioration since their origination. In November 2018, the FASB issued ASU 2018-19, Codification Improvements to Topic 326, Financial Instruments – Credit Losses (ASC 326), which clarifies that impairment of receivables arising from operating leases should be accounted for in accordance with ASC 842, Leases. In April 2019 the FASB issued ASU 2019-04, Codification Improvements to Topic 326, Financial Instruments – Credit Losses, and in May 2019, the FASB issued ASU 2019-05, Financial Instruments — Credit Losses (ASC 326) Targeted Relief. These recently issued ASUs do not change the core principle of the guidance in ASU 2016-13 but rather are intended to clarify and improve operability of certain topics included within ASU 2016-13. ASU 2018-19, ASU 2019-04 In January 2017, the FASB issued ASU 2017-04, Intangibles — Goodwill and Other: Simplifying the Test for Goodwill Impairment (ASC 350). ASU 2017-04 removes Step 2 from the goodwill impairment test. The standard will become effective for the Company beginning in fiscal year 2021, with early adoption permitted. The Company is currently evaluating the impact of this standard on its consolidated financial statements and disclosures. In March 2017, the FASB issued ASU 2017-08, Receivables — Nonrefundable Fees and Other Costs (ASC 310-20): Premium Amortization on Purchased Callable Debt Securities. ASU 2017-08 amends the amortization period for certain callable debt securities held at a premium. The amendments require the premium to be amortized to the earliest call date. The standard became effective for the Company beginning in fiscal year 2020. The Company adopted this guidance beginning in the first quarter of fiscal year 2020 and the guidance did not have a material impact on the Company’s consolidated financial statements and disclosures. In August 2017, the FASB issued ASU 2017-12, Derivatives and Hedging (ASC 815): Targeted Improvements to Accounting for Hedging Activities. ASU 2017-12 improves the financial reporting of hedging relationships to better portray the economic results of an entity’s risk management activities in its financial statements and make certain targeted improvements to simplify the application of the hedge accounting guidance in current GAAP. The amendments in this update better align an entity’s risk management activities and financial reporting for hedging relationships through changes to both the designation and measurement guidance for qualifying hedging relationships and presentation of hedge results. In October 2018, the FASB issued ASU 2018-16, Derivatives and Hedging (ASC 815): Inclusion of the Secured Overnight Financing Rate (SOFR) Overnight Index SWAP (OIS) Rate as a Benchmark Interest Rate for Hedge Accounting Purposes, which permits use of the OIS rate based on SOFR as a U.S. benchmark interest rate for hedge accounting purposes and has the same effective date as ASU 2017-12. In April 2019, the FASB issued ASU 2019-04, Codification Improvements to Topic 815, Derivatives and Hedging, which clarifies certain aspects of ASC 815 and has the same effective date as ASU 2017-12. The Company adopted this guidance beginning in the first quarter of fiscal year 2020 and the guidance did not have a material impact on the Company’s consolidated financial statements and disclosures. In July 2018, the FASB issued ASU 2018-09, Codification Improvements, which is related to a project by the FASB to facilitate codification updates for technical corrections, clarifications and other minor improvements. The new standard contains amendments that affect a wide variety of topics in the ASC. The effective date of the standard is dependent on the facts and circumstances of each amendment. Some amendments do not require transition guidance and were effective upon the issuance of this standard. A majority of the amendments in ASU 2018-09 became effective for the Company beginning in fiscal year 2020. The Company adopted the remainder of the amendments of this guidance in the first quarter of fiscal year 2020 and the guidance did not have a material impact on its consolidated financial statements and disclosures. In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (ASC 820): Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement, which modifies the disclosure requirements for fair value measurements by removing, modifying, or adding certain disclosures. The new standard will become effective for the Company beginning in fiscal year 2021, with early adoption permitted. The Company is currently evaluating the impact of this standard on its consolidated financial statements and disclosures.
Fair value measurements	In accordance with the authoritative guidance for financial assets and liabilities measured at fair value on a recurring basis (ASC 820), the Company determines fair value based on the exchange price that would be received for an asset or paid to transfer a liability in an orderly transaction between market participants, and prioritizes the inputs used to measure fair value from market-based assumptions to entity specific assumptions: • Level 1 — Inputs based on quoted market prices for identical assets or liabilities in active markets at the measurement date. • Level 2 — Observable inputs other than quoted prices included in Level 1, such as quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in markets that are not active; or other inputs that are observable or can be corroborated by observable market data. • Level 3 — Inputs which reflect management’s best estimate of what market participants would use in pricing the asset or liability at the measurement date. The inputs are unobservable in the market and significant to the instrument’s valuation. The Company had no assets and an insignificant amount of liabilities (Level 2) measured at fair value on a recurring basis as of June 30, 2019 and March 31, 2019. The following section describes the valuation methodologies the Company uses to measure financial instruments at fair value: Cash equivalents — The Company’s cash equivalents consist of money market funds. Money market funds are valued using quoted prices for identical assets in an active market with sufficient volume and frequency of transactions (Level 1). Foreign currency forward contracts — The Company uses derivative financial instruments to manage foreign currency risk relating to foreign exchange rates. The Company does not use these instruments for speculative or trading purposes. The Company’s objective is to reduce the risk to earnings and cash flows associated with changes in foreign currency exchange rates. Derivative instruments are recognized as either assets or liabilities in the accompanying condensed consolidated financial statements and are measured at fair value. Gains and losses resulting from changes in the fair values of those derivative instruments are recorded to earnings or other comprehensive income (loss) depending on the use of the derivative instrument and whether it qualifies for hedge accounting. The Company’s foreign currency forward contracts are valued using standard calculations/models that are primarily based on observable inputs, such as foreign currency exchange rates, or can be corroborated by observable market data (Level 2). Long-term debt — The Company’s long-term debt consists of borrowings under its Revolving Credit Facility and Ex-Im Credit Facility (collectively, the Credit Facilities), as well as $700.0 million in aggregate principal amount of 2025 Notes and $600.0 million in aggregate principal amount of 2027 Notes. Long-term debt related to the Revolving Credit Facility is reported at the outstanding principal amount of borrowings, while long-term debt related to the Ex-Im Credit Facility, 2025 Notes and 2027 Notes is reported at amortized cost. However, for disclosure purposes, the Company is required to measure the fair value of outstanding debt on a recurring basis. As of June 30, 2019 and March 31, 2019, the estimated fair value of the Company’s outstanding long-term debt related to the 2025 Notes was determined based on actual or estimated bids and offers for the 2025 Notes in an over-the-counter market (Level 2) and was $687.8 million and $670.3 million, respectively. As of June 30, 2019, the estimated fair value of the Company’s outstanding long-term debt related to the 2027 Notes was determined based on actual or estimated bids and offers for the 2027 Notes in an over-the-counter market (Level 2) and was $624.0 million. The fair value of the Company’s outstanding long-term debt as of March 31, 2019 related to the 2027 Notes approximated its carrying amount due to the proximity of the closing of the 2027 Notes compared to the reporting date. The fair value of the Company’s long-term debt related to the Revolving Credit Facility approximates its carrying amount due to its variable interest rate, which approximates a market interest rate. As of June 30, 2019 and March 31, 2019, the fair value of the Company’s long-term debt related to the Ex-Im Credit Facility was determined based on a discounted cash flow analysis using observable market interest rates for instruments with similar terms (Level 2) and was approximately $126.0 million and $134.9 million, respectively Satellite performance incentive obligations — The Company’s contracts with the manufacturers of the ViaSat-1 and ViaSat-2 satellites require the Company to make monthly in-orbit satellite performance incentive payments, including interest, through approximately fiscal year 2028 subject to the continued satisfactory performance of the applicable satellites. The Company records the net present value of these expected future payments as a liability and as a component of the cost of the satellites. However, for disclosure purposes, the Company is required to measure the fair value of outstanding satellite performance incentive obligations on a recurring basis. The fair value of the Company’s outstanding satellite performance incentive obligations is estimated to approximate their carrying value based on current rates (Level 2). As of June 30, 2019 and March 31, 2019, the Company’s estimated satellite performance incentive obligations relating to the ViaSat-1 and ViaSat-2 satellites, including accrued interest, were $28.2 million.
Other acquired intangible assets	Other acquired intangible assets are amortized using the straight-line method over their estimated useful lives of two to ten years.
Product Warranty	The Company provides limited warranties on its products for periods of up to five years. The Company records a liability for its warranty obligations when products are shipped or they are included in long-term construction contracts based upon an estimate of expected warranty costs. Amounts expected to be incurred within 12 months are classified as accrued liabilities and amounts expected to be incurred beyond 12 months are classified as other liabilities in the condensed consolidated financial statements. For mature products, the warranty cost estimates are based on historical experience with the particular product. For newer products that do not have a history of warranty costs, the Company bases its estimates on its experience with the technology involved and the types of failures that may occur. It is possible that the Company’s underlying assumptions will not reflect the actual experience and, in that case, future adjustments will be made to the recorded warranty obligation.
Segment reporting	The Company’s segments are determined consistent with the way management currently organizes and evaluates financial information internally for making operating decisions and assessing performance.

Basis of Presentation (Tables)

Basis of Presentation (Tables)	3 Months Ended
	Jun. 30, 2019
Summary of Disaggregation of Revenue by Segment and Product and Services	The following sets forth disaggregated reported revenue by segment and product and services for the three months ended June 30, 2019 and June 30, 2018: Three Months Ended June 30, 2019 Satellite Services Commercial Networks Government Systems Total Revenues (In thousands) Product revenues $ — $ 64,901 $ 198,714 $ 263,615 Service revenues 196,815 14,111 62,496 273,422 Total revenues $ 196,815 $ 79,012 $ 261,210 $ 537,037 . Three Months Ended June 30, 2018 Satellite Services Commercial Networks Government Systems Total Revenues (In thousands) Product revenues $ — $ 85,133 $ 132,996 $ 218,129 Service revenues 153,561 9,933 57,246 220,740 Total revenues $ 153,561 $ 95,066 $ 190,242 $ 438,869
Revenue by Geographic Area	Revenues by geographic area for the three months ended June 30, 2019 and June 30, 2018 were as follows: Three Months Ended June 30, 2019 June 30, 2018 (In thousands) U.S. customers $ 461,283 $ 378,172 Non-U.S. customers (each country individually insignificant) 75,754 60,697 Total revenues $ 537,037 $ 438,869
Summary of Contract Assets and Liabilities	The following table presents contract assets and liabilities as of June 30, 2019 and March 31, 2019: As of June 30, 2019 As of March 31, 2019 (In thousands) Unbilled accounts receivable $ 97,460 $ 83,743 Collections in excess of revenues and deferred revenues 123,304 125,540 Deferred revenues, long-term portion 85,894 71,230
Impact of ASC 842 [Member]
Summary of Impact of Adopting New Standard on Consolidated Balance Sheets	The following table presents the summary of the impact of adopting the new standard: Condensed Consolidated Balance Sheets As of March 31, 2019 Impact of ASC 842 As of April 1, 2019 (In thousands) Prepaid expenses and other current assets $ 90,646 $ (467 ) $ 90,179 Operating lease right-of-use assets — 327,329 327,329 Total assets 3,915,287 326,862 4,242,149 Accrued and other liabilities 308,268 38,406 346,674 Non-current operating lease liabilities — 305,167 305,167 Other liabilities 120,826 (16,711 ) 104,115 Total liabilities 1,999,209 326,862 2,326,071 Total liabilities and equity 3,915,287 326,862 4,242,149

Composition of Certain Balanc_2

Composition of Certain Balance Sheet Captions (Tables)	3 Months Ended
	Jun. 30, 2019
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Composition of Certain Balance Sheet Captions	As of June 30, 2019 As of March 31, 2019 (In thousands) Accounts receivable, net: Billed $ 208,376 $ 218,276 Unbilled 97,460 83,743 Allowance for doubtful accounts (2,217 ) (1,712 ) $ 303,619 $ 300,307 Inventories: Raw materials $ 86,130 $ 77,834 Work in process 51,100 52,084 Finished goods 126,603 104,600 $ 263,833 $ 234,518 Prepaid expenses and other current assets: Prepaid expenses $ 88,326 $ 72,369 Other 18,521 18,277 $ 106,847 $ 90,646 Satellites, net: Satellites (estimated useful life of 10-17 years) $ 978,113 $ 978,118 Capital lease of satellite capacity — Anik F2 (estimated useful life of 10 years) 99,090 99,090 Satellites under construction 668,561 590,000 1,745,764 1,667,208 Less: accumulated depreciation and amortization (471,092 ) (451,545 ) $ 1,274,672 $ 1,215,663 Property and equipment, net: Equipment and software (estimated useful life of 3-7 years) $ 1,073,222 $ 1,027,293 CPE leased equipment (estimated useful life of 4-5 years) 377,158 373,357 Furniture and fixtures (estimated useful life of 7 years) 51,042 46,678 Leasehold improvements (estimated useful life of 2-17 years) 127,470 126,528 Building (estimated useful life of 24 years) 8,923 8,923 Land 2,291 2,291 Construction in progress 181,941 167,178 1,822,047 1,752,248 Less: accumulated depreciation (880,674 ) (842,621 ) $ 941,373 $ 909,627 Other acquired intangible assets, net: Technology (weighted average useful life of 6 years) $ 89,954 $ 89,972 Contracts and customer relationships (weighted average useful life of 7 years) 103,294 103,283 Satellite co-location rights (weighted average useful life of 9 years) 8,600 8,600 Trade name (weighted average useful life of 3 years) 5,940 5,940 Other (weighted average useful life of 6 years) 10,006 9,989 217,794 217,784 Less: accumulated amortization (197,440 ) (195,483 ) $ 20,354 $ 22,301 Other assets: Investment in unconsolidated affiliate $ 158,868 $ 160,711 Deferred income taxes 267,345 258,834 Capitalized software costs, net 242,135 244,368 Patents, orbital slots and other licenses, net 34,536 23,059 Other 76,979 71,833 $ 779,863 $ 758,805 Accrued and other liabilities: Collections in excess of revenues and deferred revenues $ 123,304 $ 125,540 Accrued employee compensation 30,840 56,454 Accrued vacation 46,107 43,077 Warranty reserve, current portion 6,243 5,877 Operating lease liabilities 40,804 — Other 77,587 77,320 $ 324,885 $ 308,268 Other liabilities: Deferred revenues, long-term portion $ 85,894 $ 71,230 Deferred rent, long-term portion — 16,810 Warranty reserve, long-term portion 2,207 1,707 Satellite performance incentive obligations, long-term portion 25,119 25,324 Other 4,870 5,755 $ 118,090 $ 120,826

Goodwill and Acquired Intangi_2

Goodwill and Acquired Intangible Assets (Tables)	3 Months Ended
	Jun. 30, 2019
Goodwill And Intangible Assets Disclosure [Abstract]
Current and Expected Amortization Expense for Acquired Intangible Assets	Current and expected amortization expense for acquired intangible assets for each of the following periods is as follows: Amortization (In thousands) For the three months ended June 30, 2019 $ 2,037 Expected for the remainder of fiscal year 2020 $ 5,556 Expected for fiscal year 2021 5,118 Expected for fiscal year 2022 3,295 Expected for fiscal year 2023 2,990 Expected for fiscal year 2024 2,471 Thereafter 924 $ 20,354

Leases (Tables)

Leases (Tables)	3 Months Ended
	Jun. 30, 2019
Leases [Abstract]
Summary of Operating Lease Right of use Assets and Lease Liabilities	The Company’s condensed consolidated balance sheet as of June 30, 2019 includes the following amounts for right-of-use assets and lease liabilities: As of June 30, 2019 (In thousands) Operating lease right-of-use assets $ 320,227 Operating lease liabilities $ 40,804 Non-current operating lease liabilities 297,867 Total operating lease liabilities $ 338,671
Summary of Operating Lease Expense	The components of the Company's lease expense are presented in the table below: Three Months Ended June 30, 2019 (In thousands) Operating lease cost $ 15,399 Short-term and equipment lease cost 611 Variable lease cost 1,679 Net lease cost $ 17,689
Summary of Components of Cash Flow for Operating Lease Right of use assets and Lease Liabilities	The following table details components of cash flows for operating leases, right-of-use assets obtained in exchange for new operating lease liabilities, weighted average lease terms and discount rates: Three Months Ended (In thousands, except lease term and discount rate) June 30, 2019 Cash paid for amounts included in the measurement of operating lease liabilities $ 14,914 Right-of-use assets obtained in exchange for new operating lease liabilities $ 3,566 Weighted average remaining lease term - operating leases (in years) 7.6 Weighted average discount rate - operating leases 5.5 %
Summary of Future Minimum Lease Payments	The following table presents future lease payments under operating leases as of June 30, 2019: Operating Leases June 30, 2019 (In thousands) Expected for the remainder of fiscal year 2020 $ 42,551 Expected for fiscal year 2021 57,982 Expected for fiscal year 2022 55,520 Expected for fiscal year 2023 50,260 Expected for fiscal year 2024 50,225 Thereafter 160,415 Total future lease payments required 416,953 Less: imputed interest 78,282 Total $ 338,671
Summary of Future Minimum Lease Payments Under ASC 840	The following table presents the Company's future minimum lease payments for operating leases under ASC 840 at March 31, 2019: Operating Leases March 31, 2019 (In thousands) Expected for fiscal year 2020 $ 59,164 Expected for fiscal year 2021 59,452 Expected for fiscal year 2022 57,500 Expected for fiscal year 2023 50,933 Expected for fiscal year 2024 51,000 Thereafter 183,077 Total minimum payments required $ 461,126

Senior Notes and Other Long-T_2

Senior Notes and Other Long-Term Debt (Tables)	3 Months Ended
	Jun. 30, 2019
Debt Disclosure [Abstract]
Components of Long-Term Debt	Total long-term debt consisted of the following as of June 30, 2019 and March 31, 2019: As of June 30, 2019 As of March 31, 2019 (In thousands) 2027 Notes $ 600,000 $ 600,000 2025 Notes 700,000 700,000 Revolving Credit Facility — — Ex-Im Credit Facility 127,739 139,560 Total debt 1,427,739 1,439,560 Unamortized discount and debt issuance costs (25,131 ) (26,720 ) Less: current portion of long-term debt 19,652 19,937 Total long-term debt $ 1,382,956 $ 1,392,903

Product Warranty (Tables)

Product Warranty (Tables)	3 Months Ended
	Jun. 30, 2019
Guarantees And Product Warranties [Abstract]
Change in the Company's Warranty Accrual	The following table reflects the change in the Company’s warranty accrual during the three months ended June 30, 2019 and 2018: Three Months Ended June 30, 2019 June 30, 2018 (In thousands) Balance, beginning of period $ 7,584 $ 6,914 Change in liability for warranties issued in period 2,182 475 Settlements made (in cash or in kind) during the period (1,316 ) (914 ) Balance, end of period $ 8,450 $ 6,475

Equity Method Investments and_2

Equity Method Investments and Related-Party Transactions (Tables)	3 Months Ended
	Jun. 30, 2019
Equity Method Investments And Related Party Transactions [Abstract]
The Difference Between Carrying Value of Investment in Euro Infrastructure Co. and Proportionate Share of Net Assets of Euro Infrastructure Co.	The difference between the Company’s carrying value of its investment in Euro Infrastructure Co. and its proportionate share of the net assets of Euro Infrastructure Co. as of June 30, 2019 and March 31, 2019 is summarized as follows: As of June 30, 2019 As of March 31, 2019 (In thousands) Carrying value of investment in Euro Infrastructure Co. $ 158,868 $ 160,711 Less: proportionate share of net assets of Euro Infrastructure Co. 143,429 145,016 Excess carrying value of investment over proportionate share of net assets $ 15,439 $ 15,695 The excess carrying value has been primarily assigned to: Goodwill $ 22,031 $ 22,476 Identifiable intangible assets 10,068 10,670 Tangible assets (17,699 ) (18,522 ) Deferred income taxes 1,039 1,071 $ 15,439 $ 15,695
Schedule of Related Party Transactions	The following tables set forth the material related-party transactions entered into between Euro Infrastructure Co. and its subsidiaries, on the one hand, and the Company and its subsidiaries, on the other hand, in the ordinary course of business for the time periods presented: Three Months Ended June 30, 2019 June 30, 2018 (In thousands) Revenue – Euro Infrastructure Co. $ 3,753 $ 1,851 Expense – Euro Infrastructure Co. 3,197 2,159 Cash received – Euro Infrastructure Co. * 2,430 Cash paid – Euro Infrastructure Co. 2,995 1,947 As of June 30, 2019 As of March 31, 2019 (In thousands) Accounts receivable – Euro Infrastructure Co. $ 1,936 * Collections in excess of revenues and deferred revenues – Euro Infrastructure Co. 1,438 4,703 * Amount was insignificant.

Segment Information (Tables)

Segment Information (Tables)	3 Months Ended
	Jun. 30, 2019
Segment Reporting [Abstract]
Segment Revenues and Operating Profits (Losses)	Segment revenues and operating profits (losses) for the three months ended June 30, 2019 and 2018 were as follows: Three Months Ended June 30, 2019 June 30, 2018 (In thousands) Revenues: Satellite services Product $ — $ — Service 196,815 153,561 Total 196,815 153,561 Commercial networks Product 64,901 85,133 Service 14,111 9,933 Total 79,012 95,066 Government systems Product 198,714 132,996 Service 62,496 57,246 Total 261,210 190,242 Elimination of intersegment revenues — — Total revenues $ 537,037 $ 438,869 Operating profits (losses): Satellite services $ (2,070 ) $ (29,936 ) Commercial networks (49,861 ) (47,008 ) Government systems 45,903 24,918 Elimination of intersegment operating profits — — Segment operating loss before corporate and amortization of acquired intangible assets (6,028 ) (52,026 ) Corporate — — Amortization of acquired intangible assets (2,037 ) (2,453 ) Loss from operations $ (8,065 ) $ (54,479 )
Segment Assets	Segment assets as of June 30 , 20 1 9 and March 31, 201 9 were as follows: As of June 30, 2019 As of March 31, 2019 (In thousands) Segment assets: Satellite services $ 78,854 $ 85,907 Commercial networks 189,615 183,200 Government systems 439,739 408,422 Total segment assets 708,208 677,529 Corporate assets 3,554,078 3,237,758 Total assets $ 4,262,286 $ 3,915,287
Other Acquired Intangible Assets, Net and Goodwill Included in Segment Assets and Amortization of Acquired Intangible Assets by Segment	Other acquired intangible assets, net and goodwill included in segment assets as of June 30, 2019 and March 31, 2019 were as follows: Other Acquired Intangible Assets, Net Goodwill As of June 30, 2019 As of March 31, 2019 As of June 30, 2019 As of March 31, 2019 (In thousands) Satellite services $ 9,721 $ 10,453 $ 13,667 $ 13,617 Commercial networks 1,413 1,798 43,973 43,933 Government systems 9,220 10,050 63,975 64,169 Total $ 20,354 $ 22,301 $ 121,615 $ 121,719 Amortization of acquired intangible assets by segment for the three months ended June 30, 2019 and 2018 was as follows: Three Months Ended June 30, 2019 June 30, 2018 (In thousands) Satellite services $ 855 $ 1,305 Commercial networks 386 385 Government systems 796 763 Total amortization of acquired intangible assets $ 2,037 $ 2,453

Basis of Presentation - Additio

Basis of Presentation - Additional Information (Detail)	3 Months Ended					12 Months Ended
	Jun. 30, 2019USD ($)Segmentshares	Dec. 31, 2018	Sep. 30, 2018USD ($)	Jun. 30, 2018USD ($)shares	Mar. 31, 2018	Jun. 30, 2019USD ($)shares	Mar. 31, 2019USD ($)shares
Company And Summary Of Significant Accounting Policies [Line Items]
Revenue, practical expedient, financing component	true
Remaining performance obligations	$ 1,800,000,000					$ 1,800,000,000
Number of reportable segments | Segment	3
Increase in unbilled accounts receivable	$ 13,700,000
Decrease in collections in excess of revenues and deferred revenues	2,200,000
Collections in excess of revenues and deferred revenues, recognized revenue	52,600,000
Advertising costs	5,000,000			$ 6,600,000
Capitalized interest expense	11,300,000			6,200,000
Proceeds from insurance claims on ViaSat-2 satellite	$ 2,277,000						$ 185,700,000
Lease, practical expedients, package [true false]	true
Total capitalized costs related to patents	$ 3,200,000					3,200,000	3,200,000
Total capitalized costs related to orbital slots and other licenses	34,500,000					34,500,000	22,900,000
Accumulated amortization of patents, orbital slots and other licenses	3,200,000					3,200,000	3,000,000
Debt issuance costs capitalized	0			0
Capitalized costs, net, related to software developed for resale	242,135,000					242,135,000	244,368,000
Capitalized cost related to software development for resale	9,700,000			11,400,000
Amortization expense of capitalized software development costs	12,000,000			11,400,000
Self-insurance liability	5,400,000					5,400,000	5,400,000
Repurchase and immediate retirement of treasury shares pursuant to vesting of certain RSU agreements	2,328,000			1,541,000
Stock-based compensation expense	$ 21,227,000			19,126,000
Accounting Standards Update 2016-02 [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Description of new accounting pronouncements	In February 2016, the Financial Accounting Standards Board (FASB) issued ASU 2016-02, Leases (ASC 842). ASU 2016-02 requires lessees to recognize most leases on their balance sheets as lease liabilities with corresponding right-of-use assets and eliminates certain real estate-specific provisions. In January 2018, the FASB issued ASU 2018-01, Leases (ASC 842). ASU 2018-01 permits an entity to elect an optional transition practical expedient to not evaluate land easements that exist or expired before the entity’s adoption of ASC 842 and that were not previously accounted for as leases under ASC 840. In July 2018, the FASB issued ASU 2018-10, Codification Improvements to ASC 842, Leases, which was issued to provide more detailed guidance and additional clarification for implementing ASU 2016-02. In July 2018, the FASB issued ASU 2018-11, Leases (ASC 842): Targeted Improvements, which provides an additional (and optional) transition method whereby the new lease standard is applied at the adoption date and recognized as an adjustment to retained earnings. In December 2018, the FASB issued ASU 2018-20, Leases (ASC 842): Narrow-Scope Improvements for Lessors, and in March 2019, the FASB issued ASU 2019-01 (ASC 842): Codification Improvements, both of which provide certain amendments that affect narrow aspects of the guidance issued in ASU 2016-02. The new guidance became effective for the Company beginning in the first quarter of fiscal year 2020. The Company adopted the new guidance using the optional transition method in the first quarter of fiscal year 2020. Therefore, the periods prior to the effective date of adoption continue to be reported under the current authoritative guidance for leases (ASC 840). The adoption of this guidance materially impacted the Company’s consolidated balance sheet as of June 30, 2019 due to the recognition of lease liabilities and right-of-use assets. The new guidance did not have a material impact on the Company’s condensed consolidated statements of operations and comprehensive income (loss) or condensed consolidated statements of cash flows.
Accounting Standards Update 2016-13 [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Description of new accounting pronouncements	In June 2016, the FASB issued ASU 2016-13, Financial Instruments — Credit Losses (ASC 326). ASU 2016-13 requires credit losses on most financial assets measured at amortized cost and certain other instruments to be measured using an expected credit loss model (referred to as the current expected credit loss (CECL) model). It also modifies the impairment model for available-for-sale debt securities and provides for a simplified accounting model for purchased financial assets with credit deterioration since their origination. In November 2018, the FASB issued ASU 2018-19, Codification Improvements to Topic 326, Financial Instruments – Credit Losses (ASC 326), which clarifies that impairment of receivables arising from operating leases should be accounted for in accordance with ASC 842, Leases. In April 2019 the FASB issued ASU 2019-04, Codification Improvements to Topic 326, Financial Instruments – Credit Losses, and in May 2019, the FASB issued ASU 2019-05, Financial Instruments — Credit Losses (ASC 326) Targeted Relief. These recently issued ASUs do not change the core principle of the guidance in ASU 2016-13 but rather are intended to clarify and improve operability of certain topics included within ASU 2016-13. ASU 2018-19, ASU 2019-04 and 2019-05 have the same effective date and transition requirements as ASU 2016-13. The new guidance will become effective for the Company beginning in fiscal year 2021, with early adoption permitted. The new guidance is required to be applied on a modified-retrospective basis. The Company is currently evaluating the impact of this standard on its consolidated financial statements and disclosures.
Accounting Standards Update 2017-04 [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Description of new accounting pronouncements	In January 2017, the FASB issued ASU 2017-04, Intangibles — Goodwill and Other: Simplifying the Test for Goodwill Impairment (ASC 350). ASU 2017-04 removes Step 2 from the goodwill impairment test. The standard will become effective for the Company beginning in fiscal year 2021, with early adoption permitted. The Company is currently evaluating the impact of this standard on its consolidated financial statements and disclosures.
Accounting Standards Update 2017-08 [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Description of new accounting pronouncements	In March 2017, the FASB issued ASU 2017-08, Receivables — Nonrefundable Fees and Other Costs (ASC 310-20): Premium Amortization on Purchased Callable Debt Securities. ASU 2017-08 amends the amortization period for certain callable debt securities held at a premium. The amendments require the premium to be amortized to the earliest call date. The standard became effective for the Company beginning in fiscal year 2020. The Company adopted this guidance beginning in the first quarter of fiscal year 2020 and the guidance did not have a material impact on the Company’s consolidated financial statements and disclosures.
Accounting Standards Update 2017-12 [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Description of new accounting pronouncements	In August 2017, the FASB issued ASU 2017-12, Derivatives and Hedging (ASC 815): Targeted Improvements to Accounting for Hedging Activities. ASU 2017-12 improves the financial reporting of hedging relationships to better portray the economic results of an entity’s risk management activities in its financial statements and make certain targeted improvements to simplify the application of the hedge accounting guidance in current GAAP. The amendments in this update better align an entity’s risk management activities and financial reporting for hedging relationships through changes to both the designation and measurement guidance for qualifying hedging relationships and presentation of hedge results. In October 2018, the FASB issued ASU 2018-16, Derivatives and Hedging (ASC 815): Inclusion of the Secured Overnight Financing Rate (SOFR) Overnight Index SWAP (OIS) Rate as a Benchmark Interest Rate for Hedge Accounting Purposes, which permits use of the OIS rate based on SOFR as a U.S. benchmark interest rate for hedge accounting purposes and has the same effective date as ASU 2017-12. In April 2019, the FASB issued ASU 2019-04, Codification Improvements to Topic 815, Derivatives and Hedging, which clarifies certain aspects of ASC 815 and has the same effective date as ASU 2017-12. The Company adopted this guidance beginning in the first quarter of fiscal year 2020 and the guidance did not have a material impact on the Company’s consolidated financial statements and disclosures.
Accounting Standards Update 2018-09 [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Description of new accounting pronouncements	In July 2018, the FASB issued ASU 2018-09, Codification Improvements, which is related to a project by the FASB to facilitate codification updates for technical corrections, clarifications and other minor improvements. The new standard contains amendments that affect a wide variety of topics in the ASC. The effective date of the standard is dependent on the facts and circumstances of each amendment. Some amendments do not require transition guidance and were effective upon the issuance of this standard. A majority of the amendments in ASU 2018-09 became effective for the Company beginning in fiscal year 2020. The Company adopted the remainder of the amendments of this guidance in the first quarter of fiscal year 2020 and the guidance did not have a material impact on its consolidated financial statements and disclosures.
Accounting Standards Update 2018-13 [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Description of new accounting pronouncements	In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (ASC 820): Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement, which modifies the disclosure requirements for fair value measurements by removing, modifying, or adding certain disclosures. The new standard will become effective for the Company beginning in fiscal year 2021, with early adoption permitted. The Company is currently evaluating the impact of this standard on its consolidated financial statements and disclosures.
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Foreign Currency Forward Contracts [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Notional value of foreign currency forward contracts outstanding	$ 6,600,000					$ 6,600,000	$ 9,900,000
Foreign currency forward contracts maturity, maximum	21 months
Gains or losses from ineffectiveness of derivative instruments	$ 0			$ 0
Common Stock Held in Treasury [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Shares of common stock outstanding | shares	0					0	0
Purchase of treasury shares pursuant to vesting of certain RSU agreements | shares	25,863			94,200
Repurchase and immediate retirement of treasury shares pursuant to vesting of certain RSU agreements	$ 2,300,000			$ 6,000,000
Common Stock [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Common stock issued based on the vesting terms of certain restricted stock unit agreements | shares	72,193			270,785
Property and Equipment, Net [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Property and equipment	$ 1,822,047,000					$ 1,822,047,000	$ 1,752,248,000
Accumulated depreciation and amortization	$ 880,674,000					880,674,000	842,621,000
Minimum [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Property, equipment and satellites, estimated useful life (years)	2 years
Estimated useful life, years	2 years
Maximum [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Property, equipment and satellites, estimated useful life (years)	24 years
Estimated useful life, years	10 years
Maximum [Member] | Software Development Costs [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life, years	5 years
Internally Developed Software [Member] | Minimum [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Property, equipment and satellites, estimated useful life (years)	3 years
Internally Developed Software [Member] | Maximum [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Property, equipment and satellites, estimated useful life (years)	7 years
CPE Leased Equipment [Member] | Property and Equipment, Net [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Property and equipment	$ 377,158,000					377,158,000	373,357,000
Accumulated depreciation and amortization	$ 148,800,000					148,800,000	142,600,000
CPE Leased Equipment [Member] | Minimum [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Property, equipment and satellites, estimated useful life (years)	4 years
CPE Leased Equipment [Member] | Maximum [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Property, equipment and satellites, estimated useful life (years)	5 years
Property Plant and Equipment - Satellites [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Reduction in property and equipment, net			$ 177,400,000
ViaSat-2 Satellite [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Estimated insurance claim receivable	$ 177,400,000					177,400,000
Proceeds from insurance claims on ViaSat-2 satellite	$ 2,300,000			$ 0		188,000,000
Funded Research and Development from Customer Contracts [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Percentage of revenue	23.00%			18.00%
Operating Segments [Member] | Commercial Networks and Government Systems [Member] | Fixed-price Contract [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Percentage of revenue	87.00%				89.00%
U.S. Government as an Individual Customer [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Percentage of revenue	30.00%			28.00%
Commercial Customers [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Percentage of revenue	70.00%			72.00%
Unfavorable Regulatory Action [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Accrued reserves	$ 4,900,000					4,900,000	4,900,000
Indemnification Agreement [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Accrued reserves	$ 0					$ 0	$ 0
Euro Retail Co [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Equity method investment ownership percentage		49.00%

Basis of Presentation - Addit_2

Basis of Presentation - Additional Information (Detail 1)	3 Months Ended
	Jun. 30, 2019
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-07-01
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

Basis of Presentation - Summary

Basis of Presentation - Summary of Disaggregation of Revenue by Segment and Product and Services (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Disaggregation Of Revenue [Line Items]
Total revenues	$ 537,037	$ 438,869
Operating Segments [Member] | Satellite Services [Member]
Disaggregation Of Revenue [Line Items]
Total revenues	196,815	153,561
Operating Segments [Member] | Commercial Networks [Member]
Disaggregation Of Revenue [Line Items]
Total revenues	79,012	95,066
Operating Segments [Member] | Government Systems [Member]
Disaggregation Of Revenue [Line Items]
Total revenues	261,210	190,242
Product [Member]
Disaggregation Of Revenue [Line Items]
Total revenues	263,615	218,129
Product [Member] | Operating Segments [Member] | Commercial Networks [Member]
Disaggregation Of Revenue [Line Items]
Total revenues	64,901	85,133
Product [Member] | Operating Segments [Member] | Government Systems [Member]
Disaggregation Of Revenue [Line Items]
Total revenues	198,714	132,996
Service [Member]
Disaggregation Of Revenue [Line Items]
Total revenues	273,422	220,740
Service [Member] | Operating Segments [Member] | Satellite Services [Member]
Disaggregation Of Revenue [Line Items]
Total revenues	196,815	153,561
Service [Member] | Operating Segments [Member] | Commercial Networks [Member]
Disaggregation Of Revenue [Line Items]
Total revenues	14,111	9,933
Service [Member] | Operating Segments [Member] | Government Systems [Member]
Disaggregation Of Revenue [Line Items]
Total revenues	$ 62,496	$ 57,246

Basis of Presentation - Revenue

Basis of Presentation - Revenues by Geographic Area (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Total revenues	$ 537,037	$ 438,869
U.S. Customers [Member]
Segment Reporting Information [Line Items]
Total revenues	461,283	378,172
Non U.S. Customers [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 75,754	$ 60,697

Basis of Presentation - Summa_2

Basis of Presentation - Summary of Contract Assets and Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019
Accounting Policies [Abstract]
Unbilled accounts receivable	$ 97,460	$ 83,743
Collections in excess of revenues and deferred revenues	123,304	125,540
Deferred revenues, long-term portion	$ 85,894	$ 71,230

Basis of Presentation - Summa_3

Basis of Presentation - Summary of Impact of Adopting New Standard on Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Jun. 30, 2019	Apr. 01, 2019	Mar. 31, 2019
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Prepaid expenses and other current assets	$ 106,847	$ 90,179	$ 90,646
Operating lease right-of-use assets	320,227	327,329
Total assets	4,262,286	4,242,149	3,915,287
Accrued and other liabilities	324,885	346,674	308,268
Non-current operating lease liabilities	297,867	305,167
Other liabilities	118,090	104,115	120,826
Total liabilities	2,288,994	2,326,071	1,999,209
Total liabilities and equity	$ 4,262,286	4,242,149	$ 3,915,287
Impact of ASC 842 [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Prepaid expenses and other current assets		(467)
Operating lease right-of-use assets		327,329
Total assets		326,862
Accrued and other liabilities		38,406
Non-current operating lease liabilities		305,167
Other liabilities		(16,711)
Total liabilities		326,862
Total liabilities and equity		$ 326,862

Composition of Certain Balanc_3

Composition of Certain Balance Sheet Captions - Composition of Certain Balance Sheet Captions (Detail) - USD ($) $ in Thousands	Jun. 30, 2019	Apr. 01, 2019	Mar. 31, 2019
Accounts receivable, net:
Accounts receivable, Billed	$ 208,376		$ 218,276
Accounts receivable, Unbilled	97,460		83,743
Allowance for doubtful accounts	(2,217)		(1,712)
Accounts receivable, net	303,619		300,307
Inventories:
Raw materials	86,130		77,834
Work in process	51,100		52,084
Finished goods	126,603		104,600
Inventories	263,833		234,518
Prepaid expenses and other current assets:
Prepaid expenses	88,326		72,369
Other	18,521		18,277
Prepaid expenses and other current assets	106,847	$ 90,179	90,646
Other acquired intangible assets, net:
Other acquired intangible assets, gross	217,794		217,784
Less: accumulated amortization	(197,440)		(195,483)
Other acquired intangible assets, net	20,354		22,301
Other assets:
Investment in unconsolidated affiliate	158,868		160,711
Deferred income taxes	267,345		258,834
Capitalized software costs, net	242,135		244,368
Patents, orbital slots and other licenses, net	34,536		23,059
Other	76,979		71,833
Other assets	779,863		758,805
Accrued and other liabilities:
Collections in excess of revenues and deferred revenues	123,304		125,540
Accrued employee compensation	30,840		56,454
Accrued vacation	46,107		43,077
Warranty reserve, current portion	6,243		5,877
Operating lease liabilities	40,804
Other	77,587		77,320
Accrued and other liabilities	324,885	346,674	308,268
Other liabilities:
Deferred revenues, long-term portion	85,894		71,230
Deferred rent, long-term portion			16,810
Warranty reserve, long-term portion	2,207		1,707
Satellite performance incentive obligations, long-term portion	25,119		25,324
Other	4,870		5,755
Other liabilities	118,090	$ 104,115	120,826
Technology [Member]
Other acquired intangible assets, net:
Other acquired intangible assets, gross	89,954		89,972
Contracts and Customer Relationships [Member]
Other acquired intangible assets, net:
Other acquired intangible assets, gross	103,294		103,283
Satellite Co-Location Rights [Member]
Other acquired intangible assets, net:
Other acquired intangible assets, gross	8,600		8,600
Trade Name [Member]
Other acquired intangible assets, net:
Other acquired intangible assets, gross	5,940		5,940
Other [Member]
Other acquired intangible assets, net:
Other acquired intangible assets, gross	10,006		9,989
Satellites, Net [Member]
Property and equipment, net:
Property and equipment	1,745,764		1,667,208
Less: accumulated depreciation and amortization	(471,092)		(451,545)
Property and equipment, net	1,274,672		1,215,663
Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	1,822,047		1,752,248
Less: accumulated depreciation and amortization	(880,674)		(842,621)
Property and equipment, net	941,373		909,627
Satellites [Member] | Satellites, Net [Member]
Property and equipment, net:
Property and equipment	978,113		978,118
Capital Lease of Satellite Capacity - Anik F2 [Member] | Satellites, Net [Member]
Property and equipment, net:
Property and equipment	99,090		99,090
Construction in Progress [Member] | Satellites, Net [Member]
Property and equipment, net:
Property and equipment	668,561		590,000
Construction in Progress [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	181,941		167,178
Equipment and Software [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	1,073,222		1,027,293
CPE Leased Equipment [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	377,158		373,357
Less: accumulated depreciation and amortization	(148,800)		(142,600)
Furniture and Fixtures [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	51,042		46,678
Leasehold Improvements [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	127,470		126,528
Building [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	8,923		8,923
Land [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	$ 2,291		$ 2,291

Composition of Certain Balanc_4

Composition of Certain Balance Sheet Captions - Composition of Certain Balance Sheet Captions (Parenthetical) (Detail)	3 Months Ended
	Jun. 30, 2019
Minimum [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	2 years
Maximum [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	24 years
Technology [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Other acquired intangible assets, weighted average useful life	6 years
Contracts and Customer Relationships [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Other acquired intangible assets, weighted average useful life	7 years
Satellite Co-Location Rights [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Other acquired intangible assets, weighted average useful life	9 years
Trade Name [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Other acquired intangible assets, weighted average useful life	3 years
Other [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Other acquired intangible assets, weighted average useful life	6 years
Satellites [Member] | Minimum [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	10 years
Satellites [Member] | Maximum [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	17 years
Capital Lease of Satellite Capacity - Anik F2 [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	10 years
Equipment and Software [Member] | Minimum [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	3 years
Equipment and Software [Member] | Maximum [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	7 years
CPE Leased Equipment [Member] | Minimum [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	4 years
CPE Leased Equipment [Member] | Maximum [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	5 years
Furniture and Fixtures [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	7 years
Leasehold Improvements [Member] | Minimum [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	2 years
Leasehold Improvements [Member] | Maximum [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	17 years
Building [Member]
Schedule Of Composition Of Certain Balance Sheet Captions [Line Items]
Property, equipment and satellites, estimated useful life (years)	24 years

Fair Value Measurements - Addit

Fair Value Measurements - Additional Information (Detail) - USD ($)	3 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2017
Satellite Performance Incentives Obligation [Member] | ViaSat-1 and ViaSat-2 Satellites [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Expiration year of in-orbit satellite performance incentive obligation	2028
2025 Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal amount of senior notes issued	$ 700,000,000		$ 700,000,000
2027 Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Principal amount of senior notes issued	600,000,000	$ 600,000,000
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets measured at fair value on a recurring basis	0	0
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Satellite Performance Incentives Obligation [Member] | ViaSat-1 and ViaSat-2 Satellites [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Satellite performance incentives obligation	28,200,000	28,200,000
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | 2025 Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of long term debt	687,800,000	670,300,000
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | 2027 Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of long term debt	624,000,000
Fair Value, Measurements, Recurring [Member] | Level 2 [Member] | Ex-Im Credit Facility [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of long term debt	$ 126,000,000	$ 134,900,000

Shares Used In Computing Dilu_2

Shares Used In Computing Diluted Net Income (Loss) Per Share - Additional Information (Detail) - shares	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Employee Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares	314,113	1,340,831
Restricted Stock Units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares	985,226	1,396,974
ViaSat 401(k) Profit Sharing Plan and Employee Stock Purchase Plan [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares	282,410	270,071
Total Shareholder Return Performance Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares	102,815	0

Goodwill and Acquired Intangi_3

Goodwill and Acquired Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	$ 2,037	$ 2,453
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Other acquired intangible assets estimated useful lives	2 years
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Other acquired intangible assets estimated useful lives	10 years

Goodwill and Acquired Intangi_4

Goodwill and Acquired Intangible Assets - Current and Expected Amortization Expense for Acquired Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Mar. 31, 2019
Goodwill And Intangible Assets Disclosure [Abstract]
For the three months ended June 30, 2019	$ 2,037	$ 2,453
Expected for the remainder of fiscal year 2020	5,556
Expected for fiscal year 2021	5,118
Expected for fiscal year 2022	3,295
Expected for fiscal year 2023	2,990
Expected for fiscal year 2024	2,471
Thereafter	924
Other acquired intangible assets, net	$ 20,354		$ 22,301

Leases - Additional Information

Leases - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019
Lessee Lease Description [Line Items]
Existence of option to terminate	true
Option to terminate, description	some of which include renewal options, and some of which include options to terminate the leases within one year
Operating leases commitments will commence in future amount	$ 142.5
Rent expense		$ 53.5
Minimum [Member]
Lessee Lease Description [Line Items]
Remaining lease term	1 year
Operating lease term of leases commencing between fiscal years 2019 and 2020	3 years
Maximum [Member]
Lessee Lease Description [Line Items]
Remaining lease term	10 years
Operating lease term of leases commencing between fiscal years 2019 and 2020	12 years

Leases - Summary of Operating L

Leases - Summary of Operating Lease Right of use Assets and Lease Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2019	Apr. 01, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 320,227	$ 327,329
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:AccruedLiabilitiesAndOtherLiabilities
Operating lease liabilities	$ 40,804
Non-current operating lease liabilities	297,867	$ 305,167
Total operating lease liabilities	$ 338,671

Leases - Summary of Operating_2

Leases - Summary of Operating Lease Expense (Detail) $ in Thousands	3 Months Ended
	Jun. 30, 2019USD ($)
Leases [Abstract]
Operating lease cost	$ 15,399
Short-term and equipment lease cost	611
Variable lease cost	1,679
Net lease cost	$ 17,689

Leases - Summary of Components

Leases - Summary of Components of Cash Flow for Operating Lease Right of use assets and Lease Liabilities (Detail) $ in Thousands	3 Months Ended
	Jun. 30, 2019USD ($)
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 14,914
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 3,566
Weighted average remaining lease term - operating leases (in years)	7 years 7 months 6 days
Weighted average discount rate - operating leases	5.50%

Leases - Summary of Future Leas

Leases - Summary of Future Lease Payments (Detail) $ in Thousands	Jun. 30, 2019USD ($)
Leases [Abstract]
Expected for the remainder of fiscal year 2020	$ 42,551
Expected for fiscal year 2021	57,982
Expected for fiscal year 2022	55,520
Expected for fiscal year 2023	50,260
Expected for fiscal year 2024	50,225
Thereafter	160,415
Total future lease payments required	416,953
Less: imputed interest	78,282
Total	$ 338,671

Leases - Summary of Future Mini

Leases - Summary of Future Minimum Lease Payments Under ASC 840 (Detail) $ in Thousands	Mar. 31, 2019USD ($)
Leases [Abstract]
Expected for fiscal year 2020	$ 59,164
Expected for fiscal year 2021	59,452
Expected for fiscal year 2022	57,500
Expected for fiscal year 2023	50,933
Expected for fiscal year 2024	51,000
Thereafter	183,077
Total minimum payments required	$ 461,126

Senior Notes and Other Long-T_3

Senior Notes and Other Long-Term Debt - Components of Long-Term Debt (Detail) - USD ($)	Jun. 30, 2019	Mar. 31, 2019
Debt Instrument [Line Items]
Principal amount of debt	$ 1,427,739,000	$ 1,439,560,000
Unamortized discount and debt issuance costs	(25,131,000)	(26,720,000)
Less: current portion of long-term debt	19,652,000	19,937,000
Total long-term debt	1,382,956,000	1,392,903,000
2027 Notes [Member]
Debt Instrument [Line Items]
Principal amount of debt	600,000,000	600,000,000
2025 Notes [Member]
Debt Instrument [Line Items]
Principal amount of debt	700,000,000	700,000,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Principal amount of debt	0	0
Ex-Im Credit Facility [Member]
Debt Instrument [Line Items]
Principal amount of debt	$ 127,739,000	$ 139,560,000

Senior Notes and Other Long-T_4

Senior Notes and Other Long-Term Debt - Additional Information (Detail)	3 Months Ended	12 Months Ended
	Jun. 30, 2019USD ($)Installment	Mar. 31, 2019USD ($)	Sep. 30, 2017USD ($)
Debt Instrument [Line Items]
Proceeds from insurance claims on ViaSat-2 satellite	$ 2,277,000	$ 185,700,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit Facility maximum borrowing capacity	$ 700,000,000
Maturity date of the Credit Facility	Jan. 18, 2024
Principal amount of outstanding borrowings under the Credit Facility	$ 0
Borrowing availability under the Credit Facility	$ 680,700,000
Credit Facility interest rate description	Borrowings under the Revolving Credit Facility bear interest, at the Company’s option, at either (1) the highest of the Federal Funds rate plus 0.50%, the Eurodollar rate plus 1.00%, or the administrative agent’s prime rate as announced from time to time, or (2) the Eurodollar rate, plus, in the case of each of (1) and (2), an applicable margin that is based on the Company’s total leverage ratio.
Credit facility description	The Revolving Credit Facility contains financial covenants regarding a maximum total leverage ratio and a minimum interest coverage ratio. In addition, the Revolving Credit Facility contains covenants that restrict, among other things, the Company’s ability to sell assets, make investments and acquisitions, make capital expenditures, grant liens, pay dividends and make certain other restricted payments.
Ex-Im Credit Facility [Member]
Debt Instrument [Line Items]
Credit Facility maximum borrowing capacity	$ 362,400,000
Principal amount of outstanding borrowings under the Credit Facility	$ 127,700,000
Credit facility description	The Ex-Im Credit Facility contains financial covenants regarding Viasat’s maximum total leverage ratio and minimum interest coverage ratio. In addition, the Ex-Im Credit Facility contains covenants that restrict, among other things, the Company’s ability to sell assets, make investments and acquisitions, make capital expenditures, grant liens, pay dividends and make certain other restricted payments.
Amount of qualified ViaSat-2 satellite costs limited to finance	$ 321,200,000
Percent of qualified ViaSat-2 expenses used to finance	85.00%
The maximum exposure fees under Ex-Im Credit Facility	$ 41,200,000
Interest rate on the outstanding borrowings	2.38%
Required number of installment repayments | Installment	16
Debt maturity date	Oct. 15, 2025
Effective interest rate on the Ex-Im Credit Facility	4.54%
Ex-Im credit facility repayment commenced date	Apr. 15, 2018
Cumulative Ex-Im Credit Facility loan discount	$ 42,300,000
Exposure fees included in the principal	35,300,000
The exposure fees paid under Ex-Im Credit Facility borrowings	$ 6,000,000
2027 Notes [Member]
Debt Instrument [Line Items]
Interest rate on the outstanding borrowings	5.625%
Debt maturity date	Apr. 15, 2027
Principal amount of senior notes issued	$ 600,000,000	$ 600,000,000
2027 Notes [Member] | Debt Instrument, Redemption, Other Period One [Member]
Debt Instrument [Line Items]
Redemption price percentage of Senior Notes	105.625%
Redemption description of Senior Notes	Prior to April 15, 2022, the Company may redeem up to 40% of the 2027 Notes at a redemption price of 105.625% of the principal amount thereof, plus accrued and unpaid interest, if any, thereon to the redemption date, from the net cash proceeds of specified equity offerings.
2027 Notes [Member] | Debt Instrument, Redemption, Period One [Member]
Debt Instrument [Line Items]
Redemption price percentage of Senior Notes	100.00%
Redemption description of Senior Notes	The Company may also redeem the 2027 Notes prior to April 15, 2022, in whole or in part, at a redemption price equal to 100% of the principal amount thereof plus the applicable premium and any accrued and unpaid interest, if any, thereon to the redemption date. The applicable premium is calculated as the greater of: (i) 1.0% of the principal amount of such 2027 Notes and (ii) the excess, if any, of (a) the present value at such date of redemption of (1) the redemption price of such 2027 Notes on April 15, 2022 plus (2) all required interest payments due on such 2027 Notes through April 15, 2022 (excluding accrued but unpaid interest to the date of redemption), computed using a discount rate equal to the treasury rate (as defined under the indenture governing the 2027 Notes) plus 50 basis points, over (b) the then-outstanding principal amount of such 2027 Notes.
2027 Notes [Member] | Debt Instrument, Redemption, Period Two [Member]
Debt Instrument [Line Items]
Redemption price percentage of Senior Notes	102.813%
Redemption description of Senior Notes	in whole or in part, at any time during the 12 months beginning on April 15, 2022 at a redemption price of 102.813%
2027 Notes [Member] | Debt Instrument, Redemption, Period Four [Member]
Debt Instrument [Line Items]
Redemption price percentage of Senior Notes	100.00%
Redemption description of Senior Notes	at any time on or after April 15, 2024 at a redemption price of 100%, in each case plus accrued and unpaid interest, if any, thereon to the redemption date.
2027 Notes [Member] | Debt Instrument, Redemption, Period Three [Member]
Debt Instrument [Line Items]
Redemption price percentage of Senior Notes	101.406%
Redemption description of Senior Notes	during the 12 months beginning on April 15, 2023 at a redemption price of 101.406%
2027 Notes [Member] | Change of Control [Member]
Debt Instrument [Line Items]
Redemption price percentage of Senior Notes	101.00%
Redemption description of Senior Notes	In the event a change of control triggering event occurs (as defined in the indenture governing the 2027 Notes), each holder will have the right to require the Company to repurchase all or any part of such holder’s 2027 Notes at a purchase price in cash equal to 101% of the aggregate principal amount of the 2027 Notes repurchased, plus accrued and unpaid interest, if any, to the date of purchase (subject to the right of holders of record on the relevant record date to receive interest due on the relevant interest payment date).
2025 Notes [Member]
Debt Instrument [Line Items]
Interest rate on the outstanding borrowings	5.625%
Debt maturity date	Sep. 15, 2025
Principal amount of senior notes issued	$ 700,000,000		$ 700,000,000
2025 Notes [Member] | Debt Instrument, Redemption, Other Period One [Member]
Debt Instrument [Line Items]
Redemption price percentage of Senior Notes	105.625%
Redemption description of Senior Notes	Prior to September 15, 2020, the Company may redeem up to 40% of the 2025 Notes at a redemption price of 105.625% of the principal amount thereof, plus accrued and unpaid interest, if any, thereon to the redemption date, from the net cash proceeds of specified equity offerings.
2025 Notes [Member] | Debt Instrument, Redemption, Period One [Member]
Debt Instrument [Line Items]
Redemption price percentage of Senior Notes	100.00%
Redemption description of Senior Notes	The Company may also redeem the 2025 Notes prior to September 15, 2020, in whole or in part, at a redemption price equal to 100% of the principal amount thereof plus the applicable premium and any accrued and unpaid interest, if any, thereon to the redemption date. The applicable premium is calculated as the greater of: (i) 1.0% of the principal amount of such 2025 Notes and (ii) the excess, if any, of (a) the present value at such date of redemption of (1) the redemption price of such 2025 Notes on September 15, 2020 plus (2) all required interest payments due on such 2025 Notes through September 15, 2020 (excluding accrued but unpaid interest to the date of redemption), computed using a discount rate equal to the treasury rate (as defined under the indenture governing the 2025 Notes) plus 50 basis points, over (b) the then-outstanding principal amount of such 2025 Notes.
2025 Notes [Member] | Debt Instrument, Redemption, Period Two [Member]
Debt Instrument [Line Items]
Redemption price percentage of Senior Notes	102.813%
Redemption description of Senior Notes	in whole or in part, at any time during the 12 months beginning on September 15, 2020 at a redemption price of 102.813%
2025 Notes [Member] | Debt Instrument, Redemption, Period Four [Member]
Debt Instrument [Line Items]
Redemption price percentage of Senior Notes	100.00%
Redemption description of Senior Notes	at any time on or after September 15, 2022 at a redemption price of 100%, in each case plus accrued and unpaid interest, if any, thereon to the redemption date.
2025 Notes [Member] | Debt Instrument, Redemption, Period Three [Member]
Debt Instrument [Line Items]
Redemption price percentage of Senior Notes	101.406%
Redemption description of Senior Notes	during the 12 months beginning on September 15, 2021 at a redemption price of 101.406%
2025 Notes [Member] | Change of Control [Member]
Debt Instrument [Line Items]
Redemption price percentage of Senior Notes	101.00%
Redemption description of Senior Notes	In the event a change of control triggering event occurs (as defined in the indenture governing the 2025 Notes), each holder will have the right to require the Company to repurchase all or any part of such holder’s 2025 Notes at a purchase price in cash equal to 101% of the aggregate principal amount of the 2025 Notes repurchased, plus accrued and unpaid interest, if any, to the date of purchase (subject to the right of holders of record on the relevant record date to receive interest due on the relevant interest payment date).
Letter of Credit [Member]
Debt Instrument [Line Items]
Credit Facility maximum borrowing capacity	$ 150,000,000
Standby letters of credit outstanding amount	$ 19,300,000

Product Warranty - Additional I

Product Warranty - Additional Information (Detail)	3 Months Ended
	Jun. 30, 2019
Product Warranties Disclosures [Abstract]
Maximum warranty periods provided on limited warranty	5 years

Product Warranty - Change in th

Product Warranty - Change in the Company's Warranty Accrual (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance, beginning of period	$ 7,584	$ 6,914
Change in liability for warranties issued in period	2,182	475
Settlements made (in cash or in kind) during the period	(1,316)	(914)
Balance, end of period	$ 8,450	$ 6,475

Commitments and Contingencies -

Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	Jun. 30, 2019	Mar. 31, 2019
Unfavorable Regulatory Action [Member]
Long-term Purchase Commitment [Line Items]
U.S. government contract-related reserves	$ 4.9	$ 4.9

Income Taxes - Additional Infor

Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
Benefit from income taxes	$ 7,210	$ 29,205
Effective income tax rate	39.00%	44.00%
Increase (decrease) in gross unrecognized tax benefits	$ 3,100

Equity Method Investments and_3

Equity Method Investments and Related-Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Mar. 31, 2017	Jun. 30, 2019	Jun. 30, 2018
Schedule of Equity Method Investments [Line Items]
Foreign currency translation adjustments, net of tax		$ (2,284)	$ 203
Income from equity method investments		1,367	1,065
Euro Infrastructure Co [Member]
Schedule of Equity Method Investments [Line Items]
Payments, net of transaction costs, to acquire the issued shares in investment	$ 139,500
Equity method investment ownership percentage	49.00%
Foreign currency translation adjustments, net of tax		$ (2,500)	3,500
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
Income from equity method investments		$ 1,400	$ 1,100
Retained earnings of undistributed cumulative earnings in equity interests, net of tax		$ 7,800

Equity Method Investments and_4

Equity Method Investments and Related-Party Transactions - The Difference Between Carrying Value of Investment in Euro Infrastructure Co. and Proportionate Share of Net Assets of Euro Infrastructure Co. (Detail) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated affiliate	$ 158,868	$ 160,711
Euro Infrastructure Co [Member]
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated affiliate	158,868	160,711
Less: proportionate share of net assets of Euro Infrastructure Co.	143,429	145,016
Excess carrying value of investment over proportionate share of net assets	15,439	15,695
Euro Infrastructure Co [Member] | Goodwill [Member]
Schedule of Equity Method Investments [Line Items]
Excess carrying value of investment over proportionate share of net assets	22,031	22,476
Euro Infrastructure Co [Member] | Identifiable Intangible Assets [Member]
Schedule of Equity Method Investments [Line Items]
Excess carrying value of investment over proportionate share of net assets	10,068	10,670
Euro Infrastructure Co [Member] | Tangible Assets [Member]
Schedule of Equity Method Investments [Line Items]
Excess carrying value of investment over proportionate share of net assets	(17,699)	(18,522)
Euro Infrastructure Co [Member] | Deferred Income Taxes [Member]
Schedule of Equity Method Investments [Line Items]
Excess carrying value of investment over proportionate share of net assets	$ 1,039	$ 1,071

Equity Method Investments and_5

Equity Method Investments and Related-Party Transactions - Schedule of Related Party Transactions (Detail) - Euro Infrastructure Co [Member] - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Mar. 31, 2019
Related Party Transaction [Line Items]
Revenue	$ 3,753	$ 1,851
Expense	3,197	2,159
Cash received		2,430
Cash paid	2,995	$ 1,947
Accounts receivable	1,936
Collections in excess of revenues and deferred revenues	$ 1,438		$ 4,703

Segment Information - Segment R

Segment Information - Segment Revenues and Operating Profits (Losses) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Revenues:
Total revenues	$ 537,037	$ 438,869
Operating profits (losses):
Operating profits (losses)	(8,065)	(54,479)
Amortization of acquired intangible assets	(2,037)	(2,453)
Product [Member]
Revenues:
Total revenues	263,615	218,129
Service [Member]
Revenues:
Total revenues	273,422	220,740
Operating Segments [Member]
Operating profits (losses):
Operating profits (losses)	(6,028)	(52,026)
Operating Segments [Member] | Satellite Services [Member]
Revenues:
Total revenues	196,815	153,561
Operating profits (losses):
Operating profits (losses)	(2,070)	(29,936)
Amortization of acquired intangible assets	(855)	(1,305)
Operating Segments [Member] | Satellite Services [Member] | Service [Member]
Revenues:
Total revenues	196,815	153,561
Operating Segments [Member] | Commercial Networks [Member]
Revenues:
Total revenues	79,012	95,066
Operating profits (losses):
Operating profits (losses)	(49,861)	(47,008)
Amortization of acquired intangible assets	(386)	(385)
Operating Segments [Member] | Commercial Networks [Member] | Product [Member]
Revenues:
Total revenues	64,901	85,133
Operating Segments [Member] | Commercial Networks [Member] | Service [Member]
Revenues:
Total revenues	14,111	9,933
Operating Segments [Member] | Government Systems [Member]
Revenues:
Total revenues	261,210	190,242
Operating profits (losses):
Operating profits (losses)	45,903	24,918
Amortization of acquired intangible assets	(796)	(763)
Operating Segments [Member] | Government Systems [Member] | Product [Member]
Revenues:
Total revenues	198,714	132,996
Operating Segments [Member] | Government Systems [Member] | Service [Member]
Revenues:
Total revenues	62,496	57,246
Material Reconciling Items [Member]
Operating profits (losses):
Amortization of acquired intangible assets	$ (2,037)	$ (2,453)

Segment Information - Segment A

Segment Information - Segment Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2019	Apr. 01, 2019	Mar. 31, 2019
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 4,262,286	$ 4,242,149	$ 3,915,287
Operating Segments [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	708,208		677,529
Operating Segments [Member] | Satellite Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	78,854		85,907
Operating Segments [Member] | Commercial Networks [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	189,615		183,200
Operating Segments [Member] | Government Systems [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	439,739		408,422
Corporate, Non-Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 3,554,078		$ 3,237,758

Segment Information - Other Acq

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, 2019	Jun. 30, 2018	Mar. 31, 2019
Segment Reporting Information [Line Items]
Other acquired intangible assets, net	$ 20,354		$ 22,301
Goodwill	121,615		121,719
Amortization of acquired intangible assets	2,037	$ 2,453
Operating Segments [Member] | Satellite Services [Member]
Segment Reporting Information [Line Items]
Other acquired intangible assets, net	9,721		10,453
Goodwill	13,667		13,617
Amortization of acquired intangible assets	855	1,305
Operating Segments [Member] | Commercial Networks [Member]
Segment Reporting Information [Line Items]
Other acquired intangible assets, net	1,413		1,798
Goodwill	43,973		43,933
Amortization of acquired intangible assets	386	385
Operating Segments [Member] | Government Systems [Member]
Segment Reporting Information [Line Items]
Other acquired intangible assets, net	9,220		10,050
Goodwill	63,975		$ 64,169
Amortization of acquired intangible assets	$ 796	$ 763