Financial Statements of Parent and Subsidiary Guarantors (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 30, 2012	Apr. 01, 2011	Apr. 02, 2010
Revenues:
Product revenues	$ 542,064	$ 523,938	$ 584,074
Service revenues	321,563	278,268	104,006
Total revenues	863,627	802,206	688,080
Operating expenses:
Cost of product revenues	402,794	389,945	408,526
Cost of service revenues	233,187	160,623	66,830
Selling, general and administrative	181,728	164,265	132,895
Independent research and development	24,992	28,711	27,325
Amortization of acquired intangible assets	18,732	19,409	9,494
Income (loss) from operations	2,194	39,253	43,010
Other income (expense):
Interest income	60	323	621
Interest expense	(8,307)	(3,154)	(7,354)
Income (loss) before income taxes	(6,053)	36,422	36,277
(Benefit from) provision for income taxes	(13,651)	(2)	5,438
Net income (loss)	7,598	36,424	30,839
Less: Net income (loss) attributable to the noncontrolling interest, net of tax	102	309	(297)
Net income (loss) attributable to ViaSat, Inc.	7,496	36,115	31,136
Issuing Parent Company [Member]
Revenues:
Product revenues	514,577	505,634	581,911
Service revenues	106,548	53,701	34,986
Total revenues	621,125	559,335	616,897
Operating expenses:
Cost of product revenues	384,858	375,635	405,624
Cost of service revenues	66,833	34,339	23,070
Selling, general and administrative	119,227	104,235	109,931
Independent research and development	24,109	27,807	26,961
Amortization of acquired intangible assets	3,569	4,672	5,178
Income (loss) from operations	22,529	12,647	46,133
Other income (expense):
Interest income	264	687	658
Interest expense	(8,199)	(3,103)	(7,354)
Income (loss) before income taxes	14,594	10,231	39,437
(Benefit from) provision for income taxes	(7,407)	(10,188)	5,113
Equity in net income (loss) of consolidated subsidiaries	(15,360)	15,654	(2,300)
Net income (loss)	6,641	36,073	32,024
Net income (loss) attributable to ViaSat, Inc.	6,641	36,073	32,024
Guarantor Subsidiaries [Member]
Revenues:
Product revenues	2,998	5,546	907
Service revenues	206,470	215,267	62,499
Total revenues	209,468	220,813	63,406
Operating expenses:
Cost of product revenues	2,902	8,228	960
Cost of service revenues	160,579	121,024	36,937
Selling, general and administrative	53,051	50,946	20,957
Independent research and development			2
Amortization of acquired intangible assets	12,954	12,954	3,778
Income (loss) from operations	(20,018)	27,661	772
Other income (expense):
Interest income			3
Interest expense	(108)	(49)
Income (loss) before income taxes	(20,126)	27,612	775
(Benefit from) provision for income taxes	(6,038)	10,325	308
Net income (loss)	(14,088)	17,287	467
Net income (loss) attributable to ViaSat, Inc.	(14,088)	17,287	467
Non-Guarantor Subsidiaries [Member]
Revenues:
Product revenues	24,767	16,583	4,065
Service revenues	10,482	10,994	7,010
Total revenues	35,249	27,577	11,075
Operating expenses:
Cost of product revenues	16,711	9,426	3,851
Cost of service revenues	7,612	6,926	7,316
Selling, general and administrative	9,453	9,123	2,013
Independent research and development	928	924	362
Amortization of acquired intangible assets	2,209	1,783	538
Income (loss) from operations	(1,664)	(605)	(3,005)
Other income (expense):
Interest income	6	9	12
Interest expense	(210)	(375)	(52)
Income (loss) before income taxes	(1,868)	(971)	(3,045)
(Benefit from) provision for income taxes	(698)	353	17
Net income (loss)	(1,170)	(1,324)	(3,062)
Net income (loss) attributable to ViaSat, Inc.	(1,170)	(1,324)	(3,062)
Consolidation and Elimination Adjustments [Member]
Revenues:
Product revenues	(278)	(3,825)	(2,809)
Service revenues	(1,937)	(1,694)	(489)
Total revenues	(2,215)	(5,519)	(3,298)
Operating expenses:
Cost of product revenues	(1,677)	(3,344)	(1,909)
Cost of service revenues	(1,837)	(1,666)	(493)
Selling, general and administrative	(3)	(39)	(6)
Independent research and development	(45)	(20)
Income (loss) from operations	1,347	(450)	(890)
Other income (expense):
Interest income	(210)	(373)	(52)
Interest expense	210	373	52
Income (loss) before income taxes	1,347	(450)	(890)
(Benefit from) provision for income taxes	492	(492)
Equity in net income (loss) of consolidated subsidiaries	15,360	(15,654)	2,300
Net income (loss)	16,215	(15,612)	1,410
Less: Net income (loss) attributable to the noncontrolling interest, net of tax	102	309	(297)
Net income (loss) attributable to ViaSat, Inc.	$ 16,113	$ (15,921)	$ 1,707