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Basis of Presentation (Details)
$ in Millions
Jul. 29, 2019
USD ($)
restaurant
Nov. 24, 2019
restaurant
May 27, 2019
USD ($)
Summary Of Significant Accounting Policies [Line Items]      
Number of restaurants 5    
Business acquisition payment | $ $ 37.8    
Business acquisition land, buildings, and equipment payment | $ $ 19.0    
Operating Segments      
Summary Of Significant Accounting Policies [Line Items]      
Number of restaurants 4    
Closed Segments      
Summary Of Significant Accounting Policies [Line Items]      
Number of restaurants 1    
Accounting Standards Update 2016-02 | Retained Earnings      
Summary Of Significant Accounting Policies [Line Items]      
Cumulative increase effect of new accounting principle | $     $ 3.8
Latin America and the Middle East      
Summary Of Significant Accounting Policies [Line Items]      
Number of restaurants   32  
Entity Operated Units      
Summary Of Significant Accounting Policies [Line Items]      
Number of restaurants   3  
Franchised Units      
Summary Of Significant Accounting Policies [Line Items]      
Number of restaurants   33