Income Taxes - Components of Net Deferred Tax Assets (Detail) (USD $) In Thousands, unless otherwise specified	Apr. 03, 2015	Apr. 04, 2014
Deferred tax assets:
Net operating loss carryforwards	$ 223,642	$ 269,427
Tax credit carryforwards	112,183	96,586
Warranty reserve	5,841	6,475
Accrued compensation	8,016	6,880
Deferred rent	3,585	4,128
Inventory reserve	8,510us-gaap_DeferredTaxAssetsInventory	6,636us-gaap_DeferredTaxAssetsInventory
Stock-based compensation	12,739	9,728
Other	34,116us-gaap_DeferredTaxAssetsOther	6,872us-gaap_DeferredTaxAssetsOther
Valuation allowance	(15,550)	(12,832)
Total deferred tax assets	393,082us-gaap_DeferredTaxAssetsNet	393,900us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities:
Property, equipment and satellites and intangible assets	(260,582)	(246,293)
Total deferred tax liabilities	(260,582)us-gaap_DeferredTaxLiabilities	(246,293)us-gaap_DeferredTaxLiabilities
Net deferred tax assets	$ 132,500us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 147,607us-gaap_DeferredTaxAssetsLiabilitiesNet

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred rent.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from warranty reserves.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances.

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The cumulative amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax basis of capital and intangible assets and the basis of capital and intangible assets computed in accordance with generally accepted accounting principles. The difference in basis, attributable to different capitalization of costs, depreciation and amortization methodologies, will increase future taxable income when such basis difference is realized. Capital assets include but are not limited to assets such as land, building, leasehold improvements, machinery and equipment, furniture and fixtures, Computer equipment and software, CPE leased equipment and satellites. Intangible assets include, but are not limited to, assets such as technology, contracts and customer relationships, non-compete agreements, satellite co-location rights, trade name and patents.

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