Basis of Presentation (Policies)	3 Months Ended
Basis of Presentation (Policies)	Mar. 30, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Fiscal period, policy	Change in Fiscal Year End On January 3, 2014, the Board of Directors approved a change in the Company’s fiscal year end from a calendar year ending on December 31 to a 52-53 week year ending on the last Sunday in December, effective beginning with fiscal year 2014. The Company believes the change in fiscal year provides numerous benefits, including aligning the Company’s reporting periods to be more consistent with peer restaurant companies and improving comparability between periods by removing the effect of trading day on Restaurant sales and operating margins. The Company will continue reporting its Brazilian operations, on a calendar-based one-month lag. All other international operations will be reported on a 52-53 week reporting period contemporaneously with the domestic operations. The Company made the fiscal year change on a prospective basis and has not adjusted operating results for prior periods. The change impacts the prior year comparability of the Company’s fiscal quarters in 2014 and will result in shifts in the quarterly periods, which will have an impact on quarterly financial results. The first fiscal quarter of 2014 began on January 1, 2014 and ended March 30, 2014 and is referred to throughout this report as the “thirteen weeks ended March 30, 2014”. The thirteen weeks ended March 30, 2014 included one less operating day than the comparable prior year period and the Company estimates that the impact was approximately $7.5 million and $1.5 million on Total revenues and Net income attributable to Bloomin’ Brands, respectively.

Disclosure of accounting policy for determining an entity's fiscal year or other fiscal period. This disclosure may include identification of the fiscal period end-date, the length of the fiscal period, any reporting period lag between the entity and its subsidiaries, or equity investees. If a reporting lag exists, the closing date of the entity having a different period end is generally noted, along with an explanation of the necessity for using different closing dates. Any intervening events that materially affect the entity's financial position or results of operations are generally also disclosed.

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