SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Goodwill and Indefinite Lived Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 27, 2023	Dec. 28, 2022	Dec. 29, 2021
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Goodwill decrement related to dispositions of restaurants	$ 0.0	$ 0.0	$ 0.0
Goodwill and intangible asset impairment	$ 0.0

Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 24
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482548/350-20-55-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482573/350-20-50-1

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration