Goodwill and Acquired Intangible Assets - Allocation of Other Acquired Intangible Assets and Related Accumulated Amortization (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 04, 2014	Mar. 29, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Other acquired intangible assets, gross	$ 166,537	$ 162,932
Other acquired intangible assets, accumulated amortization	(131,140)	(115,762)
Other acquired intangible assets, net	35,397	47,170
Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life	6 years
Other acquired intangible assets, gross	57,084	53,714
Other acquired intangible assets, accumulated amortization	(52,979)	(49,654)
Other acquired intangible assets, net	4,105	4,060
Contracts and customer relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life	7 years
Other acquired intangible assets, gross	88,853	88,651
Other acquired intangible assets, accumulated amortization	(62,245)	(51,184)
Other acquired intangible assets, net	26,608	37,467
Satellite co-location rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life	9 years
Other acquired intangible assets, gross	8,600	8,600
Other acquired intangible assets, accumulated amortization	(3,969)	(3,044)
Other acquired intangible assets, net	4,631	5,556
Trade name [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life	3 years
Other acquired intangible assets, gross	5,680	5,680
Other acquired intangible assets, accumulated amortization	(5,680)	(5,680)
Other acquired intangible assets, net
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life	9 years
Other acquired intangible assets, gross	6,320	6,287
Other acquired intangible assets, accumulated amortization	(6,267)	(6,200)
Other acquired intangible assets, net	$ 53	$ 87