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Certain Relationships and Related-Party Transactions - Schedule of Related Party Balance Sheet Items (Detail) (Loral - satellite construction contract [Member], USD $)
In Thousands, unless otherwise specified
Dec. 28, 2012
Mar. 30, 2012
Loral - satellite construction contract [Member]
   
Related Party Transaction [Line Items]    
Payables, current $ 1,652 $ 1,599
Payables, long-term $ 21,235 $ 20,910