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Summary of Significant Accounting Policies (Details)
$ in Millions
12 Months Ended
Dec. 27, 2022
USD ($)
restaurant
Dec. 28, 2021
USD ($)
restaurant
Dec. 29, 2020
Fiscal Year      
Length of fiscal year 364 days 364 days 364 days
Cash and Cash Equivalents      
Cash and cash equivalents included receivables from credit card entity | $ $ 22.0 $ 26.4  
Settlement period of credit card receivables, minimum 2 days    
Settlement period of credit card receivables, maximum 3 days    
Receivables      
Minimum number of days receivable are past due, warranting individual evaluation for collectability 120 days    
Franchise      
Principles of Consolidation      
Number of restaurants 100 101  
Company-owned      
Principles of Consolidation      
Number of restaurants 597 566  
Minimum      
Fiscal Year      
Length of fiscal year 364 days    
Length of fiscal quarter 91 days    
Maximum      
Fiscal Year      
Length of fiscal year 371 days    
Length of fiscal quarter 98 days    
Unconsolidated | Franchise      
Principles of Consolidation      
Number of restaurants 23 24  
Unconsolidated | Non-Texas Roadhouse restaurants      
Principles of Consolidation      
Number of restaurants   4  
Unconsolidated | Non-Texas Roadhouse restaurants | Investment in Restaurants      
Principles of Consolidation      
Ownership percentage by entity   40.00%  
Unconsolidated | Minimum | Franchise | Investment in Restaurants      
Principles of Consolidation      
Ownership percentage by entity 5.00% 5.00%  
Unconsolidated | Maximum | Franchise | Investment in Restaurants      
Principles of Consolidation      
Ownership percentage by entity 10.00% 10.00%  
Majority-owned | Company-owned      
Principles of Consolidation      
Number of restaurants 20 20