Basis of Presentation (Details) $ in Millions	Aug. 25, 2019 restaurant	Jun. 26, 2019 USD ($) restaurant	May 27, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Number of restaurants		5
Business acquisition costs | $		$ 37.8
Land, Buildings and Equipment
Summary Of Significant Accounting Policies [Line Items]
Business acquisition costs | $		$ 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	33
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	32