Condensed Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 25, 2018	Sep. 26, 2017	Sep. 25, 2018	Sep. 26, 2017
Revenues
Revenue	$ 594,595	$ 540,507	$ 1,851,537	$ 1,674,455
Restaurant operating costs (excluding depreciation and amortization shown separately below):
Labor	197,621	169,355	593,298	514,287
Rent	12,330	11,257	36,300	33,238
Other operating	91,946	83,679	279,182	254,176
Pre-opening	4,378	4,548	13,529	14,302
Depreciation and amortization	25,843	23,534	75,492	69,236
Impairment and closure costs	20	2	128	13
General and administrative	35,023	26,123	100,202	94,594
Total costs and expenses	559,151	494,996	1,696,955	1,525,708
Income from operations	35,444	45,511	154,582	148,747
Interest expense, net	168	500	810	1,211
Equity income from investments in unconsolidated affiliates	(381)	(359)	(1,150)	(1,149)
Income before taxes	35,657	45,370	154,922	148,685
Provision for income taxes	5,398	13,046	22,321	41,159
Net income including noncontrolling interests	30,259	32,324	132,601	107,526
Less: Net income attributable to noncontrolling interests	1,134	1,310	4,708	4,618
Net income attributable to Texas Roadhouse, Inc. and subsidiaries	29,125	31,014	127,893	102,908
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustment, net of tax of $54, ($55), $46 and ($82), respectively	(159)	88	(167)	131
Total other comprehensive (loss) income, net of tax	(159)	88	(167)	131
Total comprehensive income	$ 28,966	$ 31,102	$ 127,726	$ 103,039
Net income per common share attributable to Texas Roadhouse, Inc. and subsidiaries:
Basic (in dollars per share)	$ 0.41	$ 0.44	$ 1.79	$ 1.45
Diluted (in dollars per share)	$ 0.40	$ 0.43	$ 1.78	$ 1.44
Weighted average shares outstanding:
Basic (in shares)	71,508	71,067	71,429	70,939
Diluted (in shares)	72,006	71,532	71,906	71,449
Cash dividends declared per share (in dollars per share)	$ 0.25	$ 0.21	$ 0.75	$ 0.63
Restaurant and other sales
Revenues
Revenue	$ 589,704	$ 536,341	$ 1,836,179	$ 1,661,821
Restaurant operating costs (excluding depreciation and amortization shown separately below):
Cost of sales	191,990	176,498	598,824	545,862
Franchise royalties and fees
Revenues
Revenue	$ 4,891	$ 4,166	$ 15,358	$ 12,634