Fair Value Measurements Non Recurring and Other (Details) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 26, 2021
USD ($)
restaurant
|
Dec. 27, 2020
USD ($)
restaurant
|
Dec. 29, 2019
USD ($)
restaurant
|
|
| Fair Value Disclosures [Abstract] | |||
| Number of restaurants impaired | restaurant | 10 | 40 | 29 |
| Carrying Value of Impaired Assets Prior to Impairment | $ 13.7 | $ 67.3 | $ 17.3 |
| Fair Value, Impaired Restaurant Assets | 7.2 | $ 34.7 | $ 2.2 |
| Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure | 7.2 | ||
| Impairment of indefinite-lived intangible assets | $ 0.5 | ||
| X | ||||||||||
- Definition Fair Value, Impaired Restaurant Assets No definition available.
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- Definition Number Of Restaurants Impaired No definition available.
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| X | ||||||||||
- References No definition available.
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Fair value portion of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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