Quarterly report pursuant to Section 13 or 15(d)

The Company and Basis of Presentation (Details Textual)

v3.19.3
The Company and Basis of Presentation (Details Textual)
$ in Millions
Jul. 29, 2019
USD ($)
Sep. 29, 2019
Restaurant
MBR Franchise Acquisition Restaurants [Member]    
Organization And Basis Of Presentation [Line Items]    
Acquisition of franchise restaurant, net of cash acquired | $ $ 18.6  
Ruths Chris Steak House [Member]    
Organization And Basis Of Presentation [Line Items]    
Number of Restaurants   157
Ruths Chris Steak House [Member] | Company [Member]    
Organization And Basis Of Presentation [Line Items]    
Number of Restaurants   81
Ruths Chris Steak House [Member] | Contractual Agreement [Member]    
Organization And Basis Of Presentation [Line Items]    
Number of Restaurants   3
Ruths Chris Steak House [Member] | Franchised Units [Member]    
Organization And Basis Of Presentation [Line Items]    
Number of Restaurants   73
Ruths Chris Steak House [Member] | Franchised Units [Member] | International [Member]    
Organization And Basis Of Presentation [Line Items]    
Number of Restaurants   21