Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 30, 2012	Apr. 01, 2011	Apr. 02, 2010
Reconciliation of the provision for (benefit from) income taxes
Tax (benefit) expense at federal statutory rate	$ (2,128)	$ 12,749	$ 12,698
State tax provision, net of federal benefit	112	1,375	2,259
Tax credits, net of valuation allowance	(12,973)	(15,615)	(11,408)
Manufacturing deduction	176
Non-deductible transaction costs		30	1,435
Non-deductible compensation	700	1,054	377
Non-deductible meals and entertainment	447	328	163
Other	15	77	(86)
Total (benefit from) provision for income taxes	$ (13,651)	$ (2)	$ 5,438

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to pretax Income or Loss from continuing operations; income tax expense or benefit may include interest and penalties on tax uncertainties based on the entity's accounting policy.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the deduction for qualified production activities received under enacted tax laws.

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