Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Revenues:
Product revenues	$ 175,957	$ 169,574	$ 523,858	$ 517,485
Service revenues	205,880	211,056	631,097	625,433
Total revenues	381,837	380,630	1,154,955	1,142,918
Operating expenses:
Cost of product revenues	126,437	124,579	382,932	382,084
Cost of service revenues	137,275	130,967	410,538	392,790
Selling, general and administrative	100,125	80,282	279,382	236,906
Independent research and development	40,149	34,436	131,482	89,790
Amortization of acquired intangible assets	3,177	2,775	9,757	7,565
(Loss) income from operations	(25,326)	7,591	(59,136)	33,783
Other income (expense):
Interest income	512	243	782	795
Interest expense		(2,362)	(253)	(11,804)
Loss on extinguishment of debt			(10,217)
(Loss) income before income taxes	(24,814)	5,472	(68,824)	22,774
(Provision for) benefit from income taxes	(2,172)	(850)	18,472	(5,256)
Equity in income of unconsolidated affiliate, net	1,365		1,593
Net (loss) income	(25,621)	4,622	(48,759)	17,518
Less: net (loss) income attributable to noncontrolling interests, net of tax	(990)	379	(1,400)	401
Net (loss) income attributable to Viasat, Inc.	$ (24,631)	$ 4,243	$ (47,359)	$ 17,117
Basic net (loss) income per share attributable to Viasat, Inc. common stockholders	$ (0.42)	$ 0.08	$ (0.81)	$ 0.34
Diluted net (loss) income per share attributable to Viasat, Inc. common stockholders	$ (0.42)	$ 0.08	$ (0.81)	$ 0.33
Shares used in computing basic net (loss) income per share	58,638	52,976	58,237	50,542
Shares used in computing diluted net (loss) income per share	58,638	54,015	58,237	51,647
Comprehensive income (loss):
Net (loss) income	$ (25,621)	$ 4,622	$ (48,759)	$ 17,518
Other comprehensive income (loss), net of tax:
Unrealized (loss) gain on hedging, net of tax	(28)	(124)	81	(203)
Foreign currency translation adjustments, net of tax	3,619	(1,331)	13,465	(2,270)
Other comprehensive income (loss), net of tax	3,591	(1,455)	13,546	(2,473)
Comprehensive (loss) income	(22,030)	3,167	(35,213)	15,045
Less: comprehensive (loss) income attributable to noncontrolling interests, net of tax	(990)	379	(1,400)	401
Comprehensive (loss) income attributable to Viasat, Inc.	$ (21,040)	$ 2,788	$ (33,813)	$ 14,644