Condensed Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2017	Jun. 28, 2016	Jun. 27, 2017	Jun. 28, 2016
Revenue:
Restaurant sales	$ 562,160	$ 504,630	$ 1,125,480	$ 1,015,914
Franchise royalties and fees	4,102	4,178	8,468	8,453
Total revenue	566,262	508,808	1,133,948	1,024,367
Restaurant operating costs (excluding depreciation and amortization shown separately below):
Cost of sales	185,171	171,551	369,364	344,679
Labor	174,585	150,014	344,932	297,560
Rent	11,112	10,184	21,981	20,211
Other operating	84,837	75,887	170,497	153,499
Pre-opening	5,014	4,411	9,754	9,236
Depreciation and amortization	23,106	20,238	45,702	39,777
Impairment and closure		30	11	41
General and administrative	28,223	26,711	68,471	56,771
Total costs and expenses	512,048	459,026	1,030,712	921,774
Income from operations	54,214	49,782	103,236	102,593
Interest expense, net	379	309	711	614
Equity income from investments in unconsolidated affiliates	(470)	(475)	(790)	(827)
Income before taxes	54,305	49,948	103,315	102,806
Provision for income taxes	15,126	15,087	28,113	30,944
Net income including noncontrolling interests	39,179	34,861	75,202	71,862
Less: Net income attributable to noncontrolling interests	1,598	1,256	3,308	2,664
Net income attributable to Texas Roadhouse, Inc. and subsidiaries	37,581	33,605	71,894	69,198
Other comprehensive income (loss), net of tax:
Unrealized gain on derivatives, net of tax of ($-), ($-), ($-) and ($18), respectively				27
Foreign currency translation adjustment, net of tax of ($14), $20, ($27) and $26, respectively	22	(29)	43	(40)
Total other comprehensive income (loss), net of tax	22	(29)	43	(13)
Total comprehensive income	$ 37,603	$ 33,576	$ 71,937	$ 69,185
Net income per common share attributable to Texas Roadhouse, Inc. and subsidiaries:
Basic (in dollars per share)	$ 0.53	$ 0.48	$ 1.01	$ 0.98
Diluted (in dollars per share)	$ 0.53	$ 0.47	$ 1.01	$ 0.98
Weighted average shares outstanding:
Basic (in shares)	70,973	70,368	70,876	70,269
Diluted (in shares)	71,437	70,876	71,398	70,840
Cash dividends declared per share (in dollars per share)	$ 0.21	$ 0.19	$ 0.42	$ 0.38