Sale of Mimi's Cafe (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended 10 Months Ended 12 Months Ended
Apr. 26, 2013
Apr. 27, 2012
Apr. 29, 2011
Feb. 15, 2013
Mimi's Cafe Restaurants [Member]
Apr. 26, 2013
Mimi's Cafe Restaurants [Member]
Apr. 27, 2012
Mimi's Cafe Restaurants [Member]
Sale of Mimi's Cafe [Line Items]            
Cash and equivalents       $ 259   $ 3,100
Accounts receivable       121   2,709
Inventory       733   3,891
Prepaid expenses       1,378   385
Total current assets       2,491   10,085
Property plant and equipment       126,486   160,391
Net intercompany       0   (164,777)
Other assets       2,402   2,402
Other intangible assets, net       0   39,877
Total noncurrent assets       128,888   37,893
Total Assets       131,379   47,978
Accounts payable and accrued expenses       20,763   15,613
Deferred revenue       3,812   3,151
Other accrued expenses       2,549   3,241
Total current liabilities       27,124   22,005
Deferred rent and other       20,955   22,809
Total long-term liabilities       20,955   22,809
Total liabilities       48,079   44,814
Effective sale date         2/15/2013  
Sale cash proceeds       20,000    
Sale note receivable       30,000    
Sale interest rate       1.50%    
Sale note receivable term       7    
Loss on sale 57,743 0 0 (57,743)    
Asset impairment $ 68,409 $ 0 $ 0   $ 68,409