SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)		12 Months Ended
	Feb. 27, 2023 USD ($)	May 28, 2023 USD ($) restaurant reportingUnit	May 29, 2022 USD ($)	May 30, 2021 USD ($)	Jun. 14, 2023 $ / shares
Summary of Significant Accounting Policies [Line Items]
Restricted cash		$ 48,400,000	$ 51,500,000	$ 0
Future amortization expense, year one		22,900,000
Future amortization expense, year two		22,900,000
Future amortization expense, year three		22,900,000
Future amortization expense, year four		22,900,000
Future amortization expense, year five		$ 22,900,000
Number of reporting units | reportingUnit		9
Gift cards breakage redemption period		12 years
Aggregate cumulative translation gains (losses)		$ 4,500,000	4,800,000
Foreign currency transaction gains (losses)		$ 0	$ 0	$ 600,000
Franchise | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-05-29
Summary of Significant Accounting Policies [Line Items]
Revenue recognition term		10 years
Goodwill
Summary of Significant Accounting Policies [Line Items]
Number of reporting units | reportingUnit		6
Impairment charges	$ 0
Trademarks
Summary of Significant Accounting Policies [Line Items]
Number of reporting units | reportingUnit		7
Impairment charges	$ 0
Minimum
Summary of Significant Accounting Policies [Line Items]
Renewal period of lease arrangements		5 years
Minimum | Capitalized Software
Summary of Significant Accounting Policies [Line Items]
Finite lived intangible assets, useful life		1 year
Minimum | Definite-Lived Intangible Assets
Summary of Significant Accounting Policies [Line Items]
Finite lived intangible assets, useful life		1 year
Maximum
Summary of Significant Accounting Policies [Line Items]
Renewal period of lease arrangements		20 years
Maximum | Capitalized Software
Summary of Significant Accounting Policies [Line Items]
Finite lived intangible assets, useful life		10 years
Maximum | Definite-Lived Intangible Assets
Summary of Significant Accounting Policies [Line Items]
Finite lived intangible assets, useful life		20 years
Building | Minimum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life of property, plant and equipment		3 years
Building | Maximum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life of property, plant and equipment		30 years
Equipment | Minimum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life of property, plant and equipment		2 years
Equipment | Maximum
Summary of Significant Accounting Policies [Line Items]
Estimated useful life of property, plant and equipment		20 years
Ruth's Hospital Group, Inc. | Subsequent Event
Summary of Significant Accounting Policies [Line Items]
Acquisition price per share (in dollars per share) | $ / shares					$ 21.50
North America | Entity Operated Units
Summary of Significant Accounting Policies [Line Items]
Number of restaurants | restaurant		2
North America | Franchised Units
Summary of Significant Accounting Policies [Line Items]
Number of restaurants | restaurant		34
Latin America | Franchised Units
Summary of Significant Accounting Policies [Line Items]
Number of restaurants | restaurant		35