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Basis of Presentation (Details)
Sep. 29, 2015
restaurant
item
Dec. 30, 2014
Nov. 25, 2014
Sep. 30, 2014
restaurant
item
Description of Business        
Number of states in which restaurants operate | item 49     49
Number of countries in which restaurants operate | item 4     3
Minimum        
Description of Business        
Threshold percentage of ownership for consolidated subsidiaries 50.00% 50.00%   50.00%
Company-owned        
Description of Business        
Number of restaurants 394     361
Company-owned | Wholly-owned        
Description of Business        
Number of restaurants 378     345
Company-owned | Majority-owned        
Description of Business        
Number of restaurants 16     16
Franchise        
Description of Business        
Number of restaurants 81     75
Franchise | Minority-owned        
Description of Business        
Ownership percentage by entity     5.00%  
Number of restaurants 24     23
Franchise | Minority-owned | Minimum        
Description of Business        
Ownership percentage by entity 5.00%     5.00%
Franchise | Minority-owned | Maximum        
Description of Business        
Ownership percentage by entity 10.00%     10.00%
Non-Texas Roadhouse restaurants | Minority-owned        
Description of Business        
Ownership percentage by entity 40.00%     40.00%
Number of restaurants 4     4