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Closure and Impairment Charges - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($) restaurant	Mar. 31, 2023 USD ($) restaurant
Restructuring Cost and Reserve [Line Items]
Closure charges	$ 0.6	$ 0.4
Long-lived tangible asset impairment	$ 0.0	$ 0.1
IHOP
Restructuring Cost and Reserve [Line Items]
Number of restaurants related to prior period closure charge revisions \| restaurant	21	28

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details