Segment Information - Amortization of Acquired Intangible Assets by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 04, 2014	Jun. 28, 2013
Segment Reporting Information [Line Items]
Amortization of acquired intangible assets	$ 4,029	$ 3,501
Satellite Services [Member]
Segment Reporting Information [Line Items]
Amortization of acquired intangible assets	2,765	2,765
Commercial Networks [Member]
Segment Reporting Information [Line Items]
Amortization of acquired intangible assets	343	143
Government Systems [Member]
Segment Reporting Information [Line Items]
Amortization of acquired intangible assets	$ 921	$ 593