Taxes (Details 1) (USD $)
In Thousands, unless otherwise specified
Apr. 26, 2013
Apr. 27, 2012
Components of Deferred Tax Assets [Abstract]    
Loss on Impaired Assets $ 7,751 $ 7,866
Self Insurance 5,927 7,724
Vacation Pay 1,796 2,296
Stock and Deferred Compensation Plans 20,718 20,219
Accrued Bonus 200 715
Deferred Rent 1,883 6,503
Deferred Proceeds on Mimi's Cafe Sale 6,244 0
State Net Operating Loss Carryforward 4,311 0
Other 3,434 3,417
Total Deferred Tax Assets Gross 52,264 48,740
Valuation Allowance (404) 0
Total Deferred Tax Assets 51,860 48,740
Components of Deferred Tax Liabilities [Abstract]    
Accelerated Depreciation/Asset Disposals 78,683 68,169
Intangible Assets 410 14,852
Other Deferred Tax Liabilities 1,551 2,070
Total Deferred Tax Liabilities 80,644 85,091
Net Deferred Tax Liabilities 28,784 36,351
Operating Loss Carryforwards [Line Items]    
Operating Loss Carryforwards (62,035)  
State Tax Authority [Member]
   
Operating Loss Carryforwards [Line Items]    
Operating Loss Carryforwards $ (87,705)