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Segment Information - Amortization of Acquired Intangible Assets by Segment (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Oct. 03, 2014
Oct. 04, 2013
Oct. 03, 2014
Oct. 04, 2013
Segment Reporting Information [Line Items]        
Amortization of acquired intangible assets $ 4,658 $ 3,796 $ 8,687 $ 7,297
Satellite Services [Member]
       
Segment Reporting Information [Line Items]        
Amortization of acquired intangible assets 2,765 2,765 5,530 5,530
Commercial Networks [Member]
       
Segment Reporting Information [Line Items]        
Amortization of acquired intangible assets 373 509 715 652
Government Systems [Member]
       
Segment Reporting Information [Line Items]        
Amortization of acquired intangible assets $ 1,520 $ 522 $ 2,442 $ 1,115