Condensed Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2017	Sep. 27, 2016	Sep. 26, 2017	Sep. 27, 2016
Revenue:
Restaurant sales	$ 536,341	$ 477,617	$ 1,661,821	$ 1,493,531
Franchise royalties and fees	4,166	4,020	12,634	12,473
Total revenue	540,507	481,637	1,674,455	1,506,004
Restaurant operating costs (excluding depreciation and amortization shown separately below):
Cost of sales	176,498	161,886	545,862	506,565
Labor	169,355	145,301	514,287	442,861
Rent	11,257	10,266	33,238	30,477
Other operating	83,679	73,583	254,176	227,082
Pre-opening	4,548	5,017	14,302	14,253
Depreciation and amortization	23,534	20,941	69,236	60,718
Impairment and closure	2	13	13	54
General and administrative	26,123	26,162	94,594	82,933
Total costs and expenses	494,996	443,169	1,525,708	1,364,943
Income from operations	45,511	38,468	148,747	141,061
Interest expense, net	500	288	1,211	902
Equity income from investments in unconsolidated affiliates	(359)	(4)	(1,149)	(831)
Income before taxes	45,370	38,184	148,685	140,990
Provision for income taxes	13,046	11,381	41,159	42,325
Net income including noncontrolling interests	32,324	26,803	107,526	98,665
Less: Net income attributable to noncontrolling interests	1,310	1,128	4,618	3,792
Net income attributable to Texas Roadhouse, Inc. and subsidiaries	31,014	25,675	102,908	94,873
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 ($55), ($18), ($82) and $7, respectively	88	29	131	(11)
Total other comprehensive income, net of tax	88	29	131	16
Total comprehensive income	$ 31,102	$ 25,704	$ 103,039	$ 94,889
Net income per common share attributable to Texas Roadhouse, Inc. and subsidiaries:
Basic (in dollars per share)	$ 0.44	$ 0.36	$ 1.45	$ 1.35
Diluted (in dollars per share)	$ 0.43	$ 0.36	$ 1.44	$ 1.34
Weighted average shares outstanding:
Basic (in shares)	71,067	70,477	70,939	70,338
Diluted (in shares)	71,532	70,981	71,449	70,898
Cash dividends declared per share (in dollars per share)	$ 0.21	$ 0.19	$ 0.63	$ 0.57