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Segments - Narrative (Details)	3 Months Ended	9 Months Ended
	Jun. 30, 2023 restaurant	Sep. 30, 2024 restaurant territory country segment	Dec. 31, 2022 restaurant
Franchisor Disclosure [Line Items]
Number of operating segments (segment) | segment		6
Number of reportable segments (segment) | segment		4
Applebee's
Franchisor Disclosure [Line Items]
Number of territories in which entity operates (territory) | territory		2
Number of countries in which entity operates (country) | country		14
IHOP
Franchisor Disclosure [Line Items]
Number of territories in which entity operates (territory) | territory		2
Number of countries in which entity operates (country) | country		14
Franchised Units | Applebee's
Franchisor Disclosure [Line Items]
Number of restaurants (restaurant)		1,618
Franchised Units | IHOP
Franchisor Disclosure [Line Items]
Number of restaurants (restaurant)		1,809
Franchised Units | Fuzzy's
Franchisor Disclosure [Line Items]
Number of restaurants (restaurant)		118
Entity Operated Units | Fuzzy's
Franchisor Disclosure [Line Items]
Number of restaurants (restaurant)		1	3
Number of restaurants refranchised (restaurant)	2

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Number of Territories in which Entity Operates

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The number of countries in which the entity operates as of balance sheet date.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 49
-Publisher FASB
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-Publisher FASB
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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
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-Section 55
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-Publisher FASB
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