XML 21 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2019
Feb. 19, 2020
Jun. 25, 2019
Cover [Abstract]      
Entity Registrant Name Texas Roadhouse, Inc.    
Entity Central Index Key 0001289460    
Document Type 10-K    
Document Period End Date Dec. 31, 2019    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Trading Symbol TXRH    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   69,405,753  
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Document Annual Report true    
Document Transition Report false    
Entity File Number 000-50972    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 20-1083890    
Entity Address, Address Line One 6040 Dutchmans Lane    
Entity Address, City or Town Louisville    
Entity Address, State or Province KY    
Entity Address, Postal Zip Code 40205    
City Area Code 502    
Local Phone Number 426-9984    
Title of 12(b) Security Common Stock    
Security Exchange Name NASDAQ    
Entity Interactive Data Current Yes    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Public Float     $ 3,496,055,254