Certain Relationships and Related-Party Transactions - Schedule of Related Party Revenue and Expenses, and Cash Paid and Received (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 04, 2014	Mar. 29, 2013	Mar. 30, 2012
Telesat Canada - beam sharing agreement [Member]
Cash received and cash paid
Cash received			$ 13,457
Loral - ordinary course of business [Member]
Revenue and expense
Revenue			3,983
Cash received and cash paid
Cash received			1,194
Telesat Canada - ordinary course of business [Member]
Revenue and expense
Expense	7,785	7,685	3,380
Cash received and cash paid
Cash received		1,023	2,930
Cash paid	7,868	7,358	7,606
Satellite Performance Incentives Obligation [Member]
Cash received and cash paid
Cash paid		1,609
Loral - satellite construction contract [Member]
Cash received and cash paid
Cash paid			$ 4,174