Segment Information - Other Net Acquired Intangible Assets and Goodwill Included in Segment Assets (Detail) (USD $) In Thousands, unless otherwise specified	Apr. 04, 2014	Mar. 29, 2013
Segment Reporting Information [Line Items]
Other acquired intangible assets, net	$ 35,397	$ 47,170
Goodwill	83,627	83,000
Operating Segments [Member] | Satellite Services [Member]
Segment Reporting Information [Line Items]
Other acquired intangible assets, net	28,931	39,989
Goodwill	9,809	9,809
Operating Segments [Member] | Commercial Networks [Member]
Segment Reporting Information [Line Items]
Other acquired intangible assets, net	2,583	1,520
Goodwill	44,148	43,648
Operating Segments [Member] | Government Systems [Member]
Segment Reporting Information [Line Items]
Other acquired intangible assets, net	3,883	5,661
Goodwill	$ 29,670	$ 29,543