Condensed Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2018	Jun. 27, 2017	Jun. 26, 2018	Jun. 27, 2017
Revenues
Total revenue	$ 629,237	$ 566,262	$ 1,256,942	$ 1,133,948
Restaurant operating costs (excluding depreciation and amortization shown separately below):
Labor	199,647	174,585	395,677	344,932
Rent	12,119	11,112	23,970	21,981
Other operating	94,858	84,837	187,236	170,497
Pre-opening	4,107	5,014	9,151	9,754
Depreciation and amortization	25,165	23,106	49,649	45,702
Impairment and closure costs	22		108	11
General and administrative	35,004	28,223	65,179	68,471
Total costs and expenses	574,970	512,048	1,137,804	1,030,712
Income from operations	54,267	54,214	119,138	103,236
Interest expense, net	283	379	642	711
Equity income from investments in unconsolidated affiliates	(445)	(470)	(769)	(790)
Income before taxes	54,429	54,305	119,265	103,315
Provision for income taxes	8,466	15,126	16,923	28,113
Net income including noncontrolling interests	45,963	39,179	102,342	75,202
Less: Net income attributable to noncontrolling interests	1,736	1,598	3,574	3,308
Net income attributable to Texas Roadhouse, Inc. and subsidiaries	44,227	37,581	98,768	71,894
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustment, net of tax of $40, ($14), ($9) and ($27), respectively	(118)	22	(8)	43
Total other comprehensive (loss) income, net of tax	(118)	22	(8)	43
Total comprehensive income	$ 44,109	$ 37,603	$ 98,760	$ 71,937
Net income per common share attributable to Texas Roadhouse, Inc. and subsidiaries:
Basic (in dollars per share)	$ 0.62	$ 0.53	$ 1.38	$ 1.01
Diluted (in dollars per share)	$ 0.62	$ 0.53	$ 1.37	$ 1.01
Weighted average shares outstanding:
Basic (in shares)	71,445	70,973	71,389	70,876
Diluted (in shares)	71,897	71,437	71,853	71,398
Cash dividends declared per share (in dollars per share)	$ 0.25	$ 0.21	$ 0.50	$ 0.42
Restaurant and other sales
Revenues
Total revenue	$ 624,073	$ 562,160	$ 1,246,475	$ 1,125,480
Restaurant operating costs (excluding depreciation and amortization shown separately below):
Cost of sales	204,048	185,171	406,834	369,364
Franchise royalties and fees
Revenues
Total revenue	$ 5,164	$ 4,102	$ 10,467	$ 8,468