Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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Amount of unrecognized tax benefits.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Income Taxes Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Income Taxes Narrative (Details) - USD ($) $ in Thousands	Apr. 29, 2016	Apr. 24, 2015	Apr. 25, 2014	Apr. 26, 2013
Income Tax Contingency [Line Items]
Valuation allowance	$ 246	$ 241
Taxes paid	7,739	10,543	$ 16,332
Unrecognized tax benefits that would impact effective tax rate	4,720	4,939	5,652
Unrecognized tax benefits	4,983	5,202	5,952	$ 9,554
Income tax penalties and interest expense	(50)	(166)	$ 204
Accrued interest and penalties related unrecognized tax benefits	790	$ 839
State Tax Authority
Income Tax Contingency [Line Items]
Operating loss carryforwards	1,021
State and Local Jurisdiction \| Minimum
Income Tax Contingency [Line Items]
Unrecognized tax benefits	573
State and Local Jurisdiction \| Maximum
Income Tax Contingency [Line Items]
Unrecognized tax benefits	$ 2,054