Number Of Restaurants Impacted By Long-lived Asset Impairment

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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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.

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No definition available.

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Represents the number of restaurants.

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No definition available.

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Amount of loss from impairment of right-of-use asset from operating lease.

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Closure and Impairment Charges - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) restaurant	Mar. 31, 2020 USD ($)	Sep. 30, 2020 restaurant
Goodwill [Line Items]
Closure charges	$ 1.9	$ (0.0)
IHOP
Goodwill [Line Items]
Closure charges	1.9
Number Of restaurants impacted by long-lived asset impairment \| restaurant			1
IHOP \| Revision of Prior Period, Accounting Standards Update, Adjustment
Goodwill [Line Items]
Operating lease, impairment loss	$ 0.1
IHOP \| Restaurant Closure
Goodwill [Line Items]
Restaurants \| restaurant	35