Description of Business (Details)	Dec. 25, 2012 state restaurant country	Dec. 27, 2011 country restaurant state
Description of Business
Number of restaurants	392	366
Number of states in which restaurants operates	47	47
Number of countries in which restaurants operates	2	1
Company-owned
Description of Business
Number of restaurants	320	294
Company-owned | Texas Roadhouse Holdings LLC
Description of Business
Number of restaurants	318	291
Company-owned | Aspen Creek, LLC
Description of Business
Number of restaurants	2	3
Company-owned | Wholly-owned
Description of Business
Number of restaurants	305	282
Company-owned | Majority-owned
Description of Business
Number of restaurants	15	12
Franchise
Description of Business
Number of restaurants	71	69
License
Description of Business
Number of restaurants	1	3
Franchised and/or licensed
Description of Business
Number of restaurants	72	72