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Summary of Significant Accounting Policies (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Jan. 01, 2013
Jan. 03, 2012
Feb. 27, 2014
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Description of Business          
Number of company-owned upscale, casual, full-service dining restaurants         181
Number of bakery production facilities         2
Basis of Presentation          
Length of fiscal year 364 days 364 days 364 days 371 days  
Cash and Cash Equivalents          
Amounts receivable from credit card processors   $ 10,300,000 $ 9,800,000    
Conversion period, credit card sales   3 days      
Concentration of Credit Risk          
Maximum amount of money market deposit insured by FDIC   250,000      
Fair Value of Financial Instruments          
Fair value of deemed landlord financing liabilities   66,700,000      
Carrying value of deemed landlord financing liabilities   $ 68,700,000      
Buildings and land improvements | Minimum
         
Property and equipment          
Useful life   25 years      
Buildings and land improvements | Maximum
         
Property and equipment          
Useful life   30 years      
Leasehold improvements | Minimum
         
Property and equipment          
Useful life   10 years      
Leasehold improvements | Maximum
         
Property and equipment          
Useful life   30 years      
Restaurant fixtures and equipment | Minimum
         
Property and equipment          
Useful life   3 years      
Restaurant fixtures and equipment | Maximum
         
Property and equipment          
Useful life   15 years      
Bakery equipment
         
Property and equipment          
Useful life   15 years      
Computer software and equipment | Minimum
         
Property and equipment          
Useful life   3 years      
Computer software and equipment | Maximum
         
Property and equipment          
Useful life   5 years