Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Revenues:
Total revenues	$ 2,068,258	$ 1,594,625	$ 1,559,337
Operating expenses:
Selling, general and administrative	458,458	385,420	333,468
Independent research and development	123,044	168,347	129,647
Amortization of acquired intangible assets	9,655	12,231	10,788
(Loss) income from operations	(60,620)	(92,187)	36,459
Other income (expense):
Interest income	149	960	1,008
Interest expense	(50,010)	(4,026)	(12,083)
Loss on extinguishment of debt		(10,217)
(Loss) income before income taxes	(110,481)	(105,470)	25,384
Benefit from (provision for) income taxes	41,014	35,217	(3,617)
Equity in income of unconsolidated affiliate, net	2,998	1,978
Net (loss) income	(66,469)	(68,275)	21,767
Less: net income (loss) attributable to noncontrolling interests, net of tax	1,154	(970)	(2,000)
Net (loss) income attributable to Viasat, Inc.	$ (67,623)	$ (67,305)	$ 23,767
Net (loss) income per share attributable to Viasat, Inc. common stockholders:
Basic net (loss) income per share attributable to Viasat, Inc. common stockholders	$ (1.13)	$ (1.15)	$ 0.45
Diluted net (loss) income per share attributable to Viasat, Inc. common stockholders	$ (1.13)	$ (1.15)	$ 0.45
Shares used in computing basic net (loss) income per share	59,942	58,438	52,318
Shares used in computing diluted net (loss) income per share	59,942	58,438	53,396
Comprehensive income (loss):
Net (loss) income	$ (66,469)	$ (68,275)	$ 21,767
Other comprehensive income (loss), net of tax:
Unrealized (loss) gain on hedging, net of tax	(242)	67	(182)
Foreign currency translation adjustments, net of tax	(9,985)	15,785	(2,329)
Other comprehensive (loss) income, net of tax	(10,227)	15,852	(2,511)
Comprehensive (loss) income	(76,696)	(52,423)	19,256
Less: comprehensive income (loss) attributable to noncontrolling interests, net of tax	1,154	(970)	(2,000)
Comprehensive (loss) income attributable to Viasat, Inc.	(77,850)	(51,453)	21,256
Product [Member]
Revenues:
Total revenues	1,092,691	755,547	713,936
Operating expenses:
Cost of revenues	834,472	553,677	524,026
Service [Member]
Revenues:
Total revenues	975,567	839,078	845,401
Operating expenses:
Cost of revenues	$ 703,249	$ 567,137	$ 524,949