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Description of the Business and Basis of Presentation (Description of the Business) (Details)	Sep. 24, 2023 restaurantConcept
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Restaurant concepts in portfolio	4

X

- Definition

Number of restaurant concepts in the Company's portfolio.

+ References

No definition available.

+ Details

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Namespace Prefix:	blmn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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