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Related Parties (Details) (Subsequent event [Member], Kangaroo Management Company I, LLC [Member], USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Sep. 30, 2012
Subsequent event [Member] | Kangaroo Management Company I, LLC [Member] |
Related Party Transaction [Line Items] |
Termination fee paid to the Management Company as a result of completion of IPO | $ 8.0

X
- Definition Management agreement, termination fee + References No definition available. + Details
Name: | blmn_ManagementAgreementTerminationFee
Namespace Prefix: | blmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration