Segment Information - Amortization of Acquired Intangible Assets by Segment (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 04, 2014	Mar. 29, 2013	Mar. 30, 2012
Segment Reporting Information [Line Items]
Amortization of acquired intangible assets	$ 14,614	$ 15,584	$ 18,732
Satellite Services [Member]
Segment Reporting Information [Line Items]
Amortization of acquired intangible assets	11,058	12,401	12,951
Commercial Networks [Member]
Segment Reporting Information [Line Items]
Amortization of acquired intangible assets	1,337	666	3,224
Government Systems [Member]
Segment Reporting Information [Line Items]
Amortization of acquired intangible assets	$ 2,219	$ 2,517	$ 2,557