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Income Taxes (Tables) | 12 Months Ended
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Mar. 30, 2013
Income Taxes [Abstract] |
Summary Of Income Before Income Taxes |
| Year Ended
| March 30, |  | March 31, |  | March 26,
| 2013 |  | 2012 |  | 2011
United States | $ | 200,124 |  | $ | 79,425 |  | $ | 83,569
Non-U.S. |  | 1,066 |  |  | 558 |  |  | 645
| $ | 201,190 |  | $ | 79,983 |  | $ | 84,214
Summary Of Provision (Benefit) For Income Taxes |
| Year Ended
| March 30, |  | March 31, |  | March 26,
| 2013 |  | 2012 |  | 2011
Current: |  |  |  |  |  |  |  |
Federal | $ | 3,537 |  | $ | 1,322 |  | $ | 163
State |  | 323 |  |  | 518 |  |  | 312
Non-U.S. |  | 243 |  |  | 261 |  |  | 204
Total current tax provision | $ | 4,103 |  | $ | 2,101 |  | $ | 679
Deferred: |  |  |  |  |  |  |  |
U.S. |  | 60,506 |  |  | (10,102) |  |  | (120,057)
Non-U.S. |  | (17) |  |  | 1 |  |  | 89
Total deferred tax provision (benefit) |  | 60,489 |  |  | (10,101) |  |  | (119,968)
Total tax provision (benefit) | $ | 64,592 |  | $ | (8,000) |  | $ | (119,289)
Summary Of Provision (Benefit) For Income Taxes, Statutory Federal Rate Pretax Income Reconciliation |
| Year Ended
| March 30, |  | March 31, |  | March 26,
| 2013 |  | 2012 |  | 2011
Expected income tax provision at the U.S. federal statutory rate |  | 35.0 |  |  | 35.0 |  |  | 35.0
Valuation allowance changes affecting the provision of income taxes |  | (1.3) |  |  | (46.7) |  |  | (178.6)
Foreign taxes at different rates |  | (0.1) |  |  | - |  |  | 0.1
R&D credit |  | (2.1) |  |  | - |  |  | -
Stock compensation |  | 0.1 |  |  | 1.0 |  |  | (0.1)
Nondeductible expenses |  | 0.3 |  |  | 0.1 |  |  | 1.1
Other |  | 0.2 |  |  | 0.6 |  |  | 0.9
Provision (benefit) for income taxes |  | 32.1 |  |  | (10.0) |  |  | (141.6)
Significant Components Of Deferred Tax Assets And Liabilities |
| March 30, |  | March 31,
| 2013 |  | 2012
Deferred tax assets: |  |  |  |  |
Inventory valuation | $ | 12,065 |  | $ | 3,240
Accrued expenses and allowances |  | 5,077 |  |  | 3,656
Net operating loss carryforwards |  | 28,162 |  |  | 105,220
Research and development tax credit carryforwards |  | 37,054 |  |  | 36,032
State tax credit carryforwards |  | 237 |  |  | 244
Capitalized research and development |  | 6,601 |  |  | 9,779
Other |  | 21,505 |  |  | 18,747
Total deferred tax assets | $ | 110,701 |  | $ | 176,918
Valuation allowance for deferred tax assets |  | (23,232) |  |  | (29,075)
Net deferred tax assets | $ | 87,469 |  | $ | 147,843
Deferred tax liabilities: |  |  |  |  |
Depreciation and amortization | $ | 5,238 |  | $ | 287
Acquisition intangibles |  | 623 |  |  | 5,348
Total deferred tax liabilities | $ | 5,861 |  | $ | 5,635
Total net deferred tax assets | $ | 81,608 |  | $ | 142,208
Summary Of Deferred Tax Assets |
| March 30, |  | March 31,
| 2013 |  | 2012
Current deferred tax assets | $ | 64,937 |  | $ | 53,137
Long-term deferred tax assets |  | 16,671 |  |  | 89,071
Total net deferred tax assets | $ | 81,608 |  | $ | 142,208
Reconciliation Of Unrecognized Tax Benefits |
Balance at March 31, 2012 | $ | -
Additions based on tax positions related to the current year |  | -
Reductions for tax positions of prior years |  | -
Settlements |  | -
Reductions related to expirations of statutes of limitation |  | -
Balance at March 30, 2013 | $ | -

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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