Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues:
Product revenues	$ 181,783	$ 187,235	$ 347,901	$ 347,911
Service revenues	211,291	211,923	425,217	414,377
Total revenues	393,074	399,158	773,118	762,288
Operating expenses:
Cost of product revenues	133,850	136,825	256,495	257,505
Cost of service revenues	135,412	134,241	273,263	261,823
Selling, general and administrative	90,084	77,224	179,257	156,624
Independent research and development	46,268	30,177	91,333	55,354
Amortization of acquired intangible assets	3,320	2,277	6,580	4,790
(Loss) income from operations	(15,860)	18,414	(33,810)	26,192
Other income (expense):
Interest income	177	229	270	552
Interest expense	(197)	(4,308)	(253)	(9,442)
Loss on extinguishment of debt	(10,217)		(10,217)
(Loss) income before income taxes	(26,097)	14,335	(44,010)	17,302
Benefit from (provision for) income taxes	11,464	(3,596)	20,644	(4,406)
Equity in income of unconsolidated affiliate, net	741		228
Net (loss) income	(13,892)	10,739	(23,138)	12,896
Less: net (loss) income attributable to noncontrolling interests, net of tax	(203)	(280)	(410)	22
Net (loss) income attributable to ViaSat, Inc.	$ (13,689)	$ 11,019	$ (22,728)	$ 12,874
Basic net (loss) income per share attributable to ViaSat, Inc. common stockholders	$ (0.24)	$ 0.22	$ (0.39)	$ 0.26
Diluted net (loss) income per share attributable to ViaSat, Inc. common stockholders	$ (0.24)	$ 0.22	$ (0.39)	$ 0.26
Shares used in computing basic net (loss) income per share	58,229	49,503	58,039	49,319
Shares used in computing diluted net (loss) income per share	58,229	50,533	58,039	50,393
Comprehensive income (loss):
Net (loss) income	$ (13,892)	$ 10,739	$ (23,138)	$ 12,896
Other comprehensive income (loss), net of tax:
Unrealized gain (loss) on hedging, net of tax	17	21	109	(79)
Foreign currency translation adjustments, net of tax	6,321	(175)	9,846	(939)
Other comprehensive income (loss), net of tax	6,338	(154)	9,955	(1,018)
Comprehensive (loss) income	(7,554)	10,585	(13,183)	11,878
Less: comprehensive (loss) income attributable to noncontrolling interests, net of tax	(203)	(280)	(410)	22
Comprehensive (loss) income attributable to ViaSat, Inc.	$ (7,351)	$ 10,865	$ (12,773)	$ 11,856