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Commitments and Contingencies (Royalty Termination) (Details) $ in Millions | Aug. 02, 2021 USD ($)
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Other restaurant operating | Carrabba's Italian Grill |
Other Commitments [Line Items] |
Cash paid to settle royalty agreement | $ 61.9

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- Definition Cash Paid to Settle Royalty Agreement + References No definition available. + Details
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Namespace Prefix: | blmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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- Details
Name: | us-gaap_IncomeStatementLocationAxis=blmn_OtherRestaurantOperatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_ReportingUnitAxis=blmn_CarrabbasItalianGrillMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |