v2.4.0.6

Income Taxes (Significant Components Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2012 | Mar. 26, 2011
--- | --- | ---
Deferred tax assets: |  |
Inventory valuation | $ 3,240 | $ 4,494
Accrued expenses and allowances | 3,656 | 3,017
Net operating loss carryforwards | 105,220 | 131,331
Research and development tax credit carryforwards | 36,032 | 37,464
State tax credit carryforwards | 244 | 250
Capitalized research and development | 9,779 | 14,773
Depreciation and Amortization |  | 159
Other | 18,747 | 14,807
Total deferred tax assets | 176,918 | 206,295
Valuation allowance for deferred tax assets | (29,075) | (68,380)
Net deferred tax assets | 147,843 | 137,915
Deferred tax liabilities: |  |
Depreciation and amortization | 287 |
Acquisition intangibles | 5,348 | 5,861
Total deferred tax liabilities | 5,635 | 5,861
Total net deferred tax assets | $ 142,208 | $ 132,054

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