General form of registration statement for all companies including face-amount certificate companies

Commitments and Contingencies (Narratives) (Detail)

v2.4.0.6
Commitments and Contingencies (Narratives) (Detail) (USD $)
In Thousands, unless otherwise specified
 1 Months Ended 9 Months Ended 12 Months Ended
Mar. 21, 2012
Sep. 23, 2012
Restaurants
Sep. 25, 2011
Dec. 25, 2011
Restaurants
Dec. 26, 2010
Restaurants
Dec. 27, 2009
Restaurants
Commitments And Contingencies [Line Items]            
Number of restaurant   38   31 23 17
Payments to Sponsor   $ 94 $ 281 $ 373 $ 375 $ 383
Termination payment to Sponsor to terminate its advisory agreement 2,000          
Annually
            
Commitments And Contingencies [Line Items]            
Payments to Sponsor   350        
Lease Commitment [Member]
            
Commitments And Contingencies [Line Items]            
Number of restaurant       4    
Ground-up prototype | Minimum
            
Commitments And Contingencies [Line Items]            
Capital expenditures       2,000    
Ground-up prototype | Maximum
            
Commitments And Contingencies [Line Items]            
Capital expenditures       2,500    
New unit builds | Minimum
            
Commitments And Contingencies [Line Items]            
Capital expenditures       2,000    
New unit builds | Maximum
            
Commitments And Contingencies [Line Items]            
Capital expenditures       2,500    
Retail end cap locations | Minimum
            
Commitments And Contingencies [Line Items]            
Capital expenditures       2,000    
Retail end cap locations | Maximum
            
Commitments And Contingencies [Line Items]            
Capital expenditures       $ 2,500