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Income Taxes (Significant Components of Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 29, 2014 | Mar. 30, 2013
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Deferred tax assets: |  |
Inventory valuation | $ 7,692 | $ 12,065
Accrued expenses and allowances | 3,905 | 5,077
Net operating loss carryforwards | 29,062 | 28,162
Research and development tax credit carryforwards | 15,164 | 37,054
State tax credit carryforwards | 231 | 237
Capitalized research and development | 3,485 | 6,601
Other | 28,627 | 21,505
Total deferred tax assets | 88,166 | 110,701
Valuation allowance for deferred tax assets | (32,159) | (23,232)
Net deferred tax assets | 56,007 | 87,469
Deferred tax liabilities: |  |
Depreciation and amortization | 5,709 | 5,238
Acquisition intangibles | 3,209 | 623
Total deferred tax liabilities | 8,918 | 5,861
Total net deferred tax assets | $ 47,089 | $ 81,608

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