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Income Taxes (Significant Components of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Mar. 25, 2017
--- | --- | ---
Deferred tax assets: |  |
Accrued expenses and allowances | $ 5,793 | $ 9,002
Net operating loss carryforwards | 3,646 | 6,294
Research and development tax credit carryforwards | 12,701 | 13,977
Stock based compensation | 14,156 | 17,356
Other | 2,402 | 9,141
Total deferred tax assets | 38,698 | 55,770
Valuation allowance for deferred tax assets | (14,671) | (12,570)
Net deferred tax assets | 24,027 | 43,200
Deferred tax liabilities: |  |
Depreciation and amortization | 9,184 | 13,837
Acquisition intangibles | 13,427 | 16,301
Total deferred tax liabilities | 22,611 | 30,138
Total net deferred tax assets | $ 1,416 | $ 13,062

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