Document and Entity Information (USD $)	12 Months Ended
	Dec. 25, 2012	Feb. 13, 2013	Jun. 26, 2012
Document and Entity Information
Entity Registrant Name	Texas Roadhouse, Inc.
Entity Central Index Key	0001289460
Document Type	10-K
Document Period End Date	Dec. 25, 2012
Amendment Flag	false
Current Fiscal Year End Date	--12-25
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 1,105,868,963
Entity Common Stock, Shares Outstanding		69,300,870
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	FY