Income Taxes - Components of Net Deferred Tax Assets (Detail) (USD $) In Thousands, unless otherwise specified	Apr. 04, 2014	Mar. 29, 2013
Deferred tax assets:
Net operating loss carryforwards	$ 269,427	$ 240,402
Tax credit carryforwards	96,586	82,910
Warranty reserve	6,475	5,325
Accrued compensation	6,880	5,846
Deferred rent	4,128	3,618
Inventory reserve	6,636	7,578
Stock-based compensation	9,728	8,214
Other	6,872	10,793
Valuation allowance	(12,832)	(15,965)
Total deferred tax assets	393,900	348,721
Deferred tax liabilities:
Property, equipment and satellites and intangible assets	(246,293)	(227,965)
Total deferred tax liabilities	(246,293)	(227,965)
Net deferred tax assets	$ 147,607	$ 120,756