Basis of Presentation (Details)	Mar. 27, 2018 restaurant item	Mar. 28, 2017 restaurant item
Description of Business
Number of states in which restaurants operate \| item	49	49
Number of countries in which restaurants operate \| item	8	6
Company
Description of Business
Number of restaurants	469	441
Company \| Wholly-owned
Description of Business
Number of restaurants	451	423
Company \| Majority-owned
Description of Business
Number of restaurants	18	18
Franchise
Description of Business
Number of restaurants	89	84
Franchise \| Unconsolidated
Description of Business
Number of restaurants	24	24
Franchise \| Unconsolidated \| Minimum
Description of Business
Equity Method Investment, Ownership Percentage	5.00%	5.00%
Franchise \| Unconsolidated \| Maximum
Description of Business
Equity Method Investment, Ownership Percentage	10.00%	10.00%
Non-Texas Roadhouse restaurants \| Unconsolidated
Description of Business
Number of restaurants	4	4
Equity Method Investment, Ownership Percentage	40.00%	40.00%

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

The number of countries in which the entity operates as of balance sheet date.

+ References

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- Definition

Represents the number of restaurants.

+ References

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- Definition

The number of states the entity operates in as of the balance sheet date.

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