Income Taxes Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Apr. 29, 2016	Apr. 24, 2015
Deferred tax assets:
Self-insurance	$ 5,595	$ 6,357
Stock and deferred compensation plans	12,582	16,857
Deferred proceeds on Mimi’s Café sale	3,564	4,263
State net operating loss carry forward	1,021	2,586
Credit carryforwards	17	13
Legal Reserve	459	2,791
Inventory	2,605	2,582
Wage and related liabilities	3,426	0
Deferred gain from sale leaseback	22,306	0
Other	7,189	6,772
Total deferred tax assets before valuation allowances	58,764	42,221
Valuation allowance	(246)	(241)
Net deferred tax assets	58,518	41,980
Deferred tax liabilities:
Property, plant and equipment	28,111	40,054
Other	1,405	1,308
Total deferred tax liabilities	29,516	41,362
Net deferred tax assets (liabilities)	$ 29,002	$ 618