|
Document And Entity Information (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 28, 2014
|
Jun. 29, 2014
|
Mar. 01, 2015
|
|
| Document Information [Line Items] | |||
| Entity Registrant Name | Ruths Hospitality Group, Inc. | ||
| Document Type | 10-K | ||
| Current Fiscal Year End Date | --12-28 | ||
| Entity Public Float | $ 431,858,059 | ||
| Amendment Flag | false | ||
| Entity Central Index Key | 0001324272 | ||
| Entity Current Reporting Status | Yes | ||
| Entity Voluntary Filers | No | ||
| Entity Filer Category | Accelerated Filer | ||
| Entity Well-known Seasoned Issuer | No | ||
| Document Period End Date | Dec. 28, 2014 | ||
| Document Fiscal Year Focus | 2014 | ||
| Document Fiscal Period Focus | FY | ||
| Unvested Restricted Stock [Member] | |||
| Document Information [Line Items] | |||
| Entity Common Stock, Shares Outstanding | 569,275 | ||
| Common Stock [Member] | |||
| Document Information [Line Items] | |||
| Entity Common Stock, Shares Outstanding | 34,775,906 |