Basis of Presentation (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($) restaurant item	Mar. 26, 2019 restaurant item
Description of Business
Number of states in which restaurants operate \| item	49	49
Number of countries in which restaurants operate \| item	10	10
Revolving Credit Facility [Member]
Description of Business
Long-term Line of Credit \| $	$ 190.0
Company
Description of Business
Number of restaurants	519	495
Company \| Wholly-owned
Description of Business
Number of restaurants	499	475
Company \| Majority-owned
Description of Business
Number of restaurants	20	20
Franchise
Description of Business
Number of restaurants	98	93
Franchise \| Domestic
Description of Business
Number of restaurants	70	69
Number of restaurants closed	1
Franchise \| International
Description of Business
Number of restaurants	28	24
Number of restaurants closed	22
Franchise \| Unconsolidated \| Domestic
Description of Business
Number of restaurants	24	24
Franchise \| Minimum \| Unconsolidated
Description of Business
Ownership percentage	5.00%	5.00%
Franchise \| Maximum \| Unconsolidated
Description of Business
Ownership percentage	10.00%	10.00%
Non-Texas Roadhouse restaurants \| Unconsolidated
Description of Business
Number of restaurants	4	4
Ownership percentage	40.00%	40.00%

Number of restaurants closed due of global COVID-19

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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