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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | May. 02, 2015 | Apr. 26, 2014
--- | --- | ---
Deferred taxes assets: |  |
Warranty reserves | $ 10,038 | $ 10,432
Vacation accrual | 1,808 | 1,510
Net losses on equity investments | 0 | 2,870
Deferred maintenance revenue | 745 | 1,332
Reserves for excess and obsolete inventory | 939 | 981
Equity compensation | 828 | 899
Allowance for doubtful accounts | 613 | 797
Inventory capitalization | 531 | 306
Accrued compensation and benefits | 1,124 | 1,397
Intangible assets | 0 | 56
Deferred Tax Assets, Unrealized Currency Losses | 554 | 206
Net operating loss carry forwards | 791 | 766
Other | 344 | 379
Deferred tax assets, gross | 18,315 | 21,931
Valuation allowance on equity investments | (52) | (2,297)
Deferred tax assets net of valuation | 18,263 | 19,634
Deferred tax liabilities: |  |
Property and equipment | (7,249) | (6,232)
Prepaid expenses | (577) | (574)
Other | (34) | (162)
Deferred tax liabilities, gross | (7,860) | (6,968)
Deferred tax assets, net | $ 10,403 | $ 12,666

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