Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenues:
Total revenues	$ 1,140,893	$ 1,122,262	$ 2,311,947	$ 2,248,722
Operating expenses:
Selling, general and administrative	241,785	272,448	504,617	523,570
Independent research and development	42,263	33,390	76,456	71,953
Amortization of acquired intangible assets	65,069	66,024	130,810	132,239
Income (loss) from operations	35,775	(24,678)	82,447	35,057
Other income (expense):
Interest income	12,525	23,896	26,815	46,688
Interest expense	(93,487)	(115,340)	(193,844)	(221,116)
(Loss) gain on extinguishment of debt, net		(3,200)	(288)	(3,200)
Other income (expense), net			(5,164)
Income (loss) before income taxes	(45,187)	(119,322)	(90,034)	(142,571)
(Provision for) benefit from income taxes	(10,862)	(5,915)	(17,472)	(7,099)
Equity in income (loss) of unconsolidated affiliate, net	4,222	3,441	7,955	6,187
Net income (loss)	(51,827)	(121,796)	(99,551)	(143,483)
Less: net income (loss) attributable to noncontrolling interest, net of tax	9,617	15,788	18,327	27,013
Net income (loss) attributable to Viasat, Inc.	$ (61,444)	$ (137,584)	$ (117,878)	$ (170,496)
Basic net income (loss) per share attributable to Viasat, Inc. common stockholders:	$ (0.45)	$ (1.07)	$ (0.88)	$ (1.34)
Diluted net income (loss) per share attributable to Viasat, Inc. common stockholders:	$ (0.45)	$ (1.07)	$ (0.88)	$ (1.34)
Shares used in computing basic net income (loss) per share	135,119	128,376	133,356	127,490
Shares used in computing diluted net income (loss) per share	135,119	128,376	133,356	127,490
Comprehensive income (loss):
Net income (loss)	$ (51,827)	$ (121,796)	$ (99,551)	$ (143,483)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments, net of tax	(5,463)	15,079	19,796	5,184
Unrealized gain (loss) on hedging, net of tax		(4,914)		(6,002)
Other comprehensive income (loss), net of tax	(5,463)	10,165	19,796	(818)
Comprehensive income (loss)	(57,290)	(111,631)	(79,755)	(144,301)
Less: comprehensive income (loss) attributable to noncontrolling interest, net of tax	9,617	15,788	18,327	27,013
Comprehensive income (loss) attributable to Viasat, Inc.	(66,907)	(127,419)	(98,082)	(171,314)
Product [Member]
Revenues:
Total revenues	319,383	323,948	664,067	629,687
Operating expenses:
Cost of revenues	241,108	243,485	474,490	437,643
Service [Member]
Revenues:
Total revenues	821,510	798,314	1,647,880	1,619,035
Operating expenses:
Cost of revenues	$ 514,893	$ 531,593	$ 1,043,127	$ 1,048,260