Composition of Certain Balance Sheet Captions - Composition of Certain Balance Sheet Captions (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Apr. 03, 2015
Accounts receivable, net:
Accounts receivable, Billed	$ 127,304	$ 120,345
Accounts receivable, Unbilled	133,731	147,049
Allowance for doubtful accounts	(1,281)	(1,055)
Accounts receivable, net	259,754	266,339
Inventories:
Raw materials	47,492	42,716
Work in process	28,623	22,957
Finished goods	65,146	62,694
Inventories	141,261	128,367
Prepaid expenses and other current assets:
Prepaid expenses	45,690	40,106
Other	2,666	4,596
Prepaid expenses and other current assets	48,356	44,702
Other acquired intangible assets, net:
Other acquired intangible assets, gross	197,878	190,221
Less: accumulated amortization	(161,468)	(147,881)
Other acquired intangible assets, net	36,410	42,340
Other assets:
Capitalized software costs, net	150,159	119,936
Patents, orbital slots and other licenses, net	16,900	16,900
Deferred income taxes	63,647	75,789
Other	33,561	57,183
Other assets	264,267	269,808
Accrued liabilities:
Collections in excess of revenues and deferred revenues	66,595	83,528
Accrued employee compensation	31,734	27,953
Accrued vacation	25,890	25,859
Warranty reserve, current portion	8,118	9,235
Current portion of other long-term debt	270	260
Other	34,224	44,491
Accrued liabilities	166,831	191,326
Other liabilities:
Deferred revenue, long-term portion	4,811	4,894
Deferred rent, long-term portion	7,791	8,307
Warranty reserve, long-term portion	3,728	6,310
Deferred income taxes, long-term portion		363
Satellite performance incentives obligation, long-term portion	19,678	20,121
Other liabilities	36,008	39,995
Technology [Member]
Other acquired intangible assets, net:
Other acquired intangible assets, gross	75,069	67,403
Contracts and customer relationships [Member]
Other acquired intangible assets, net:
Other acquired intangible assets, gross	99,551	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	8,718	8,722
Satellites, Net [Member]
Property and equipment, net:
Property and equipment	1,127,932	987,041
Less: accumulated depreciation and amortization	(262,933)	(224,820)
Property and equipment, net	864,999	762,221
Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	1,013,706	878,550
Less: accumulated depreciation and amortization	(541,218)	(460,528)
Property and equipment, net	472,488	418,022
Satellite - WildBlue-1 [Member] | Satellites, Net [Member]
Property and equipment, net:
Property and equipment	195,890	195,890
Capital lease of satellite capacity - Anik F2 [Member] | Satellites, Net [Member]
Property and equipment, net:
Property and equipment	99,090	99,090
Satellite - ViaSat-1 [Member] | Satellites, Net [Member]
Property and equipment, net:
Property and equipment	363,204	363,204
Construction in progress [Member] | Satellites, Net [Member]
Property and equipment, net:
Property and equipment	469,748	328,857
Construction in progress [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	57,627	17,890
Equipment and software [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	554,562	511,717
CPE leased equipment [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	255,955	250,281
Less: accumulated depreciation and amortization	(129,500)	(107,800)
Furniture and fixtures [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	23,924	20,395
Leasehold improvements [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	70,755	67,723
Building [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	8,923	8,923
Land [Member] | Property and Equipment, Net [Member]
Property and equipment, net:
Property and equipment	$ 41,960	$ 1,621