Leases (Details) - USD ($) $ in Millions	Jun. 28, 2021	Jan. 03, 2021
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract	20 years
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Finance Lease, Term of Contract	3 years
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee, Finance Lease, Term of Contract	8 years
COVID-19 [Member]
Lessee, Lease, Description [Line Items]
Lessee, Operating Lease, Modification, Deferred Rent	$ 1.2	$ 5.8
Lessee, Operating Lease, Modification, Deferred Rent, Expected To Be Repaid		$ 4.8

Lessee, Operating Lease, Modification, Deferred Rent

No definition available.

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Namespace Prefix:	tast_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Lessee, Operating Lease, Modification, Deferred Rent, Expected To Be Repaid

+ References

No definition available.

+ Details

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Namespace Prefix:	tast_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- 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

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Details

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- Details

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- Details

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