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Significant Accounting Policies - Narrative (Details)	Mar. 28, 2022 restaurant entity	Sep. 25, 2022 restaurant	Sep. 26, 2021 restaurant
Related Party Transaction [Line Items]
Percentage of domestic restaurants franchised		85.00%
Number of joint ventures divested | entity	1
Corporate Joint Venture
Related Party Transaction [Line Items]
Number of restaurants		98	188
Corporate Joint Venture | Disposal group, disposed of by sale, not discontinued operations
Related Party Transaction [Line Items]
Ownership percentage in divested joint venture	51.00%
Number of restaurants divested	90

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- Definition

Disposal Group, Including Discontinued Operation, Ownership Percentage in Disposed Asset

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- Definition

The number of joint ventures divested during the period.

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- Definition

Number of Restaurants Sold

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- Definition

Represents the percentage of business units that are owned and/or operated in a franchise agreement by franchisees.

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- Definition

Represents the number of restaurants.

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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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