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Summary of Significant Accounting Policies (Partner Compensation) (Details) | 12 Months Ended
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Dec. 27, 2015
Accounting Policies [Abstract] |
Restaurant opening period for bonus payment | 5 years

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- Definition The period of time a restaurant must be open before the area operating partner will receive a bonus payment based on the terms specified in the agreement. + References No definition available. + Details
Name: | blmn_RestaurantOpeningPeriodforBonusPayment
Namespace Prefix: | blmn_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration