Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 28, 2021	Dec. 29, 2020	Dec. 31, 2019
Earnings per share
Net income attributable to Texas Roadhouse, Inc. and subsidiaries	$ 245,294	$ 31,255	$ 174,452
Basic EPS:
Weighted-average common shares outstanding (in shares)	69,709	69,438	70,509
Basic EPS (in dollars per share)	$ 3.52	$ 0.45	$ 2.47
Diluted EPS:
Weighted-average common shares outstanding (in shares)	69,709	69,438	70,509
Dilutive effect of nonvested stock (in shares)	389	455	407
Shares-diluted (in shares)	70,098	69,893	70,916
Diluted EPS (in dollars per share)	$ 3.50	$ 0.45	$ 2.46