Composition of Certain Balance Sheet Captions - Composition of Certain Balance Sheet Captions (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Apr. 03, 2015
Accounts receivable, net:
Accounts receivable, Billed	$ 142,386	$ 120,345
Accounts receivable, Unbilled	153,906	147,049
Allowance for doubtful accounts	(1,770)	(1,055)
Accounts receivable, net	294,522	266,339
Inventories:
Raw materials	44,500	42,716
Work in process	21,645	22,957
Finished goods	61,133	62,694
Inventories	127,278	128,367
Prepaid expenses and other current assets:
Prepaid expenses	44,546	40,106
Other	2,640	4,596
Prepaid expenses and other current assets	47,186	44,702
Other acquired intangible assets, net:
Other acquired intangible assets, gross	198,560	190,221
Less accumulated amortization	(153,329)	(147,881)
Other acquired intangible assets, net	45,231	42,340
Other assets:
Capitalized software costs, net	130,195	119,936
Patents, orbital slots and other licenses, net	16,900	16,900
Deferred income taxes	70,495	75,789
Other	58,431	57,183
Other assets	276,021	269,808
Accrued liabilities:
Collections in excess of revenues and deferred revenues	72,910	83,528
Accrued employee compensation	11,805	27,953
Accrued vacation	27,030	25,859
Warranty reserve, current portion	9,397	9,235
Current portion of other long-term debt	264	260
Other	32,526	44,491
Accrued liabilities	153,932	191,326
Other liabilities:
Deferred revenue, long-term portion	4,512	4,894
Deferred rent, long-term portion	8,341	8,307
Warranty reserve, long-term portion	5,026	6,310
Deferred income taxes, long-term portion		363
Other liabilities	39,214	39,995
Technology [Member]
Other acquired intangible assets, net:
Other acquired intangible assets, gross	75,601	67,403
Contracts and customer relationships [Member]
Other acquired intangible assets, net:
Other acquired intangible assets, gross	99,678	99,556
Satellite co-location rights [Member]
Other acquired intangible assets, net:
Other acquired intangible assets, gross	8,600	8,600
Trade name [Member]
Other acquired intangible assets, net:
Other acquired intangible assets, gross	5,940	5,940
Other [Member]
Other acquired intangible assets, net:
Other acquired intangible assets, gross	8,741	8,722
Property Plant and Equipment - Satellites [Member]
Property and equipment, net:
Property and equipment	1,016,127	987,041
Less accumulated depreciation and amortization	(237,151)	(224,820)
Property and equipment, net	778,976	762,221
Property Plant and Equipment - Excluding Satellites [Member]
Property and equipment, net:
Property and equipment	901,463	878,550
Less accumulated depreciation and amortization	(486,001)	(460,528)
Property and equipment, net	415,462	418,022
Other Long-Term Liability [Member]
Other liabilities:
Other long-term portion	1,350
Satellite Performance Incentives Obligation [Member]
Other liabilities:
Other long-term portion	19,985	20,121
Satellite - WildBlue-1 [Member] | Property Plant and Equipment - Satellites [Member]
Property and equipment, net:
Property and equipment	195,890	195,890
Capital lease of satellite capacity - Anik F2 [Member] | Property Plant and Equipment - Satellites [Member]
Property and equipment, net:
Property and equipment	99,090	99,090
Satellite - ViaSat-1 [Member] | Property Plant and Equipment - Satellites [Member]
Property and equipment, net:
Property and equipment	363,204	363,204
Construction in progress [Member] | Property Plant and Equipment - Satellites [Member]
Property and equipment, net:
Property and equipment	357,943	328,857
Construction in progress [Member] | Property Plant and Equipment - Excluding Satellites [Member]
Property and equipment, net:
Property and equipment	24,699	17,890
Equipment and software [Member] | Property Plant and Equipment - Excluding Satellites [Member]
Property and equipment, net:
Property and equipment	521,833	511,717
CPE leased equipment [Member] | Property Plant and Equipment - Excluding Satellites [Member]
Property and equipment, net:
Property and equipment	252,602	250,281
Less accumulated depreciation and amortization	(115,200)	(107,800)
Furniture and fixtures [Member] | Property Plant and Equipment - Excluding Satellites [Member]
Property and equipment, net:
Property and equipment	22,853	20,395
Leasehold improvements [Member] | Property Plant and Equipment - Excluding Satellites [Member]
Property and equipment, net:
Property and equipment	67,910	67,723
Building [Member] | Property Plant and Equipment - Excluding Satellites [Member]
Property and equipment, net:
Property and equipment	8,923	8,923
Land [Member] | Property Plant and Equipment - Excluding Satellites [Member]
Property and equipment, net:
Property and equipment	$ 2,643	$ 1,621