Condensed Consolidated Statement of Stockholders' Equity - 6 months ended Jun. 26, 2018 - USD ($) $ in Thousands	Total Texas Roadhouse, Inc. and Subsidiaries	Common Stock	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests	Total
Balance at Dec. 26, 2017	$ 839,079	$ 71	$ 236,548	$ 602,499	$ (39)	$ 12,312	$ 851,391
Balance (in shares) at Dec. 26, 2017		71,168,897					71,168,897
Increase (Decrease) in Stockholders' Equity
Net income	98,768			98,768		3,574	$ 102,342
Other comprehensive loss, net	(8)				(8)		(8)
Noncontrolling interests contribution						865	865
Contribution from executive officer	1,000		1,000				1,000
Distributions to noncontrolling interest holders						(3,202)	(3,202)
Dividends declared ($0.50 per share)	(35,721)			(35,721)			(35,721)
Shares issued under share-based compensation plans including tax effects (in shares)		478,690
Indirect repurchase of shares for minimum tax withholdings	(10,047)		(10,047)				(10,047)
Indirect repurchase of shares for minimum tax withholdings (in shares)		(173,378)
Cumulative effect of change in accounting principle | ASU 2014-09	(878)			(878)			(878)
Share-based compensation	15,856		15,856				15,856
Balance at Jun. 26, 2018	$ 908,049	$ 71	$ 243,357	$ 664,668	$ (47)	$ 13,549	$ 921,598
Balance (in shares) at Jun. 26, 2018		71,474,209					71,474,209