Revenue Recognition (Gift Card Breakage) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 27, 2026	Sep. 28, 2025	Sep. 27, 2026	Sep. 28, 2025
Disaggregation of Revenue [Line Items]
Total revenues	$ 944,345	$ 928,813	$ 3,019,827	$ 2,980,773
Net (loss) income attributable to Bloomin’ Brands	(2,182)	$ (45,859)	$ 84,816	$ 21,712
Revision of Prior Period, Change in Accounting Principle, Adjustment
Disaggregation of Revenue [Line Items]
Total revenues	13,200
Net (loss) income attributable to Bloomin’ Brands	$ 9,900

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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