Impairments and Disposals [Abstract] Impairments and Disposals [Abstract] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Closure Initiatives [Member] Closure Initiatives [Member] Closure Initiatives [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Restructuring type [Axis] Restructuring Type [Axis] Type of restructuring [Domain] Type of Restructuring [Domain] Facility closing [Member] Facility Closing [Member] Other restructuring [Member] Other Restructuring [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Expected future costs Restructuring and Related Cost, Expected Cost Effect on future cash flows, amount Effect on Future Cash Flows, Amount Lease expiration date Lease Expiration Date Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] International segment [Member] International Segment [Member] International Segment [Member] Restructuring charges Restructuring Charges Income Tax Disclosure [Abstract] (Benefit) provision for income taxes Income Tax Expense (Benefit) Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Change in effective income tax rate, percent Change in Effective Income Tax Rate, Percent The change in percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Blended federal and state statutory income tax rate Blended Federal and State Statutory Income Tax Rate Blended federal and state statutory income tax rate. Other Liabilities Disclosure [Abstract] Accrued insurance liability Accrued Insurance, Noncurrent Unfavorable leases Off-market Lease, Unfavorable Chef and Restaurant Managing Partner deferred compensation obligations and deposits Deferred Compensation Liability, Classified, Noncurrent Other long-term liabilities Other Accrued Liabilities, Noncurrent Other long-term liabilities, net Other Liabilities, Noncurrent Off market leases, unfavorable, accumulated amortization Off Market Leases, Unfavorable, Accumulated Amortization This element represents a accumulated amortization of liability associated with the acquisition of an off-market lease when the terms of the lease are unfavorable to the market terms for the lease at the date of acquisition. Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Stockholders' Equity Attributable to Parent [Abstract] Dividends Payable [Table] Dividends Payable [Table] Subsequent event type [Axis] Subsequent Event Type [Axis] Subsequent event type [Domain] Subsequent Event Type [Domain] Subsequent event [Member] Subsequent Event [Member] Dividends Payable [Line Items] Dividends Payable [Line Items] Common stock, dividends, per share, cash paid Common Stock, Dividends, Per Share, Cash Paid Dividends, common stock, cash Dividends, Common Stock, Cash Common stock, dividends per share Common Stock, Dividends, Per Share, Declared Dividends payable, date to be paid Dividends Payable, Date to be Paid Dividends payable, date of record Dividends Payable, Date of Record Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Financial instrument [Axis] Financial Instrument [Axis] Financial instruments [Domain] Financial Instruments [Domain] Debt facilities [Member] Debt [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair value, financial instruments measured on nonrecurring basis, valuation techniques Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Schedule of assets and liabilities measured at fair value on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Fair value, assets measured on recurring basis, methods and assumptions Fair Value Inputs, Assets and Liabilities, Quantitative Information [Table Text Block] Tabular disclosure of quantitative information about the inputs used in the fair value measurement of assets and liabilities. This disclosure may include, but is not limited to, the fair value of the asset or liability, valuation technique used to measure fair value, the inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs. Fair value, assets and liabilities measured on a nonrecurring basis Fair Value Measurements, Nonrecurring [Table Text Block] Schedule of carrying value and fair value of senior secured credit facilities and other unsecured debt Fair Value, by Balance Sheet Grouping [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Schedule of derivative instruments in statement of financial position, fair value Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of derivatives instruments statements of financial performance, location Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location [Table Text Block] Statement of Cash Flows [Abstract] Cash flows provided by operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile Net income to cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Amortization of deferred discounts and issuance costs Amortization of Debt Issuance Costs and Discounts Amortization of deferred gift card sales commissions Amortization of Deferred Sales Commissions Provision for impaired assets and restaurant closings Provision for Impaired Assets and Restaurant Closings The charges against earnings resulting from 1) the aggregate write down of all assets, excluding goodwill, from their carrying value to their fair value and 2) restaurant closing expenses. Stock-based and other non-cash compensation expense Share-based Compensation Deferred income tax (benefit) expense Deferred Income Tax Expense (Benefit) Gain on sale of a business or subsidiary Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Loss on extinguishment and modification of debt Gain (Loss) on Extinguishment and Modification of Debt Aggregate amount of gains or losses related to debt extinguished or modified prior to maturity, including, as applicable: 1) difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity, 2) prepayment premiums, 3) the write-off of deferred financing fees and unamortized debt discount related to the extinguished portion of debt and/or 4) the expensed third-party financing fees related to the modified portion of debt. Recognition of deferred gain on sale-leaseback transactions Sale Leaseback Transaction, Current Period Gain Recognized Other, net Other Noncash Income (Expense) Change in assets and liabilities Increase (Decrease) in Operating Capital Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows used in investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Proceeds from disposal of property, fixtures and equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale-leaseback transactions, net Sale Leaseback Transaction, Net Proceeds, Investing Activities Proceeds from sale of a business, net of cash divested Proceeds from Divestiture of Businesses Capital expenditures Payments to Acquire Property, Plant, and Equipment Other investments, net Payments for (Proceeds from) Other Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows used in financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from issuance of long-term debt, net Proceeds from Issuance of Long-term Debt and Capital Securities, Net Repayments of long-term debt Repayments of Long-term Debt Proceeds from borrowings on revolving credit facilities, net Proceeds from Lines of Credit Repayments of borrowings on revolving credit facilities Repayments of Lines of Credit Proceeds from failed sale-leaseback transactions, net Sale Leaseback Transaction, Net Proceeds, Financing Activities Proceeds from share-based compensation, net Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Distributions to noncontrolling interests Payments to Noncontrolling Interests Contributions from noncontrolling interests Proceeds from Noncontrolling Interests Purchase of limited partnership and noncontrolling interests Payments to Acquire Additional Interest in Subsidiaries Repayments of partner deposits and accrued partner obligations Repayment of Partner Deposit and Accrued Buyout Contributions The cash outflow associated with partner deposits and accrued partner buyout or partner deferred compensation liabilities. Repurchase of common stock Payments for Repurchase of Common Stock Cash dividends paid on common stock Payments of Ordinary Dividends, Common Stock Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Net decrease in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, cash equivalents and restricted cash as of the beginning of the period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash as of the end of the period Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid, Including Capitalized Interest, Operating and Investing Activities Cash paid for income taxes, net of refunds Income Taxes Paid, Net Supplemental disclosures of non-cash investing and financing activities: Noncash Investing and Financing Items [Abstract] Increase in liabilities from the acquisition of property, fixtures and equipment or capital leases Construction in Progress, Change in Accrual for Expenditures Incurred but Not yet Paid Change in the accrual to pay for construction in progress expenditures that have occurred. Revenue Recognition [Abstract] Revenue Recognition [Table] Revenue Recognition [Table] Revenue Recognition [Table] Unearned revenue arrangement type [Axis] Deferred Revenue Arrangement Type [Axis] Unearned revenue [Domain] Deferred Revenue [Domain] Deferred franchise fees [Member] Royalty Arrangement [Member] Revenue Recognition [Line Items] Revenue Recognition [Line Items] [Line Items] for Revenue Recognition [Table] Revenue, remaining performance obligation, expected satisfaction over next year, percent Revenue, Remaining Performance Obligation, Expected Satisfaction Over Next Year, Percent Percentage over the next year that the remaining performance obligation is expected to be recognized as revenue. Revenue, remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Revenue Recognition Revenue from Contract with Customer [Text Block] Other Current Assets, Net [Abstract] Other Current Assets, Net [Abstract] Schedule of other current assets Schedule of Other Current Assets [Table Text Block] Other Current Assets, Net Other Current Assets [Text Block] Derivative [Table] Derivative [Table] Derivative instrument [Axis] Derivative Instrument [Axis] Derivative contract [Domain] Derivative Contract [Domain] Interest rate swap [Member] Interest Rate Swap [Member] Hedging designation [Axis] Hedging Designation [Axis] Hedging designation [Domain] Hedging Designation [Domain] Designated as hedging instrument [Member] Designated as Hedging Instrument [Member] Variable rate [Axis] Variable Rate [Axis] Variable rate [Domain] Variable Rate [Domain] London Interbank Offered Rate (LIBOR) [Member] London Interbank Offered Rate (LIBOR) [Member] Derivative [Line Items] Derivative [Line Items] Derivative, inception date Derivative, Inception Date Derivative agreements, number of counterparties Derivative Agreements, Number of Counterparties The number of counterparties party to the derivative agreements added into by the Company. Derivative, notional amount Derivative, Notional Amount Derivative, effective date Derivative, Effective Date Date the derivative contract is effective, in CCYY-MM-DD format. Derivative, maturity date Derivative, Maturity Date Derivative, average fixed interest rate Derivative, Average Fixed Interest Rate Derivative, variable interest rate Derivative, Description of Terms Other Assets [Abstract] Schedule of other assets Schedule of Other Assets, Noncurrent [Table Text Block] Segment Reporting [Abstract] Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table] Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table] Consolidation items [Axis] Consolidation Items [Axis] Consolidation items [Domain] Consolidation Items [Domain] Operating segments [Member] Operating Segments [Member] Corporate, non-segment [Member] Corporate, Non-Segment [Member] U.S. segment [Member] U.S. Segment [Member] U.S. Segment [Member] Segment Reporting, Other Significant Reconciling Item [Line Items] Segment Reporting, Other Significant Reconciling Item [Line Items] Other noncurrent liabilities Other Noncurrent Liabilities [Table Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity components [Axis] Equity Components [Axis] Equity component [Domain] Equity Component [Domain] Additional paid-in capital [Member] Additional Paid-in Capital [Member] Statement [Line Items] Statement [Line Items] Cash dividends declared per common share Purchase of limited partnership interests, deferred tax effect Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent, Tax Effect Represents the deferred tax effect of a purchase by the parent of an additional equity interest in a subsidiary during the period. Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Guarantor obligations, nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor obligations, nature [Domain] Guarantor Obligations, Nature [Domain] Property lease guarantee [Member] Property Lease Guarantee [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Guarantor obligations, maximum exposure, undiscounted Guarantor Obligations, Maximum Exposure, Undiscounted Guarantee obligations, maximum exposure at present value Guarantee Obligations, Maximum Exposure at Present Value Maximum potential amount of future payments (discounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. Guarantor obligations, liability recorded Guarantor Obligations, Current Carrying Value Organization, Consolidation and Presentation of Financial Statements [Abstract] Description of the Business and Basis of Presentation Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Entity Registrant Name Entity Registrant Name Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Estimated litigation liability Estimated Litigation Liability Schedule of new accounting pronouncements Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Recently Issued Financial Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Reclassifications Reclassification, Policy [Policy Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Product and service [Axis] Product and Service [Axis] Product and service [Domain] Product and Service [Domain] Restaurant sales [Member] Food and Beverage [Member] Franchise and other revenue [Member] Franchise and Other Revenue [Member] Revenues generated from the right granted to operate a business using grantor's name, merchandise, service, methodology, promotional support, marketing and supplies; and other revenues. Franchise [Member] Franchise [Member] Other revenue [Member] Product and Service, Other [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Restaurant sales, franchise and other revenues Balance sheet location [Axis] Balance Sheet Location [Axis] Balance sheet location [Domain] Balance Sheet Location [Domain] Unearned revenue [Member] Unearned Revenue [Member] Unearned Revenue [Member] Other long-term liabilities, net [Member] Other Noncurrent Liabilities [Member] Deferred gift card revenue [Member] Up-front Payment Arrangement [Member] Deferred loyalty revenue [Member] Loyalty Revenue [Member] Loyalty Revenue [Member] Deferred gift card sales commissions, current Capitalized Contract Cost, Net, Current Unearned revenue Deferred Revenue, Current Deferred franchise fees, noncurrent Deferred Revenue, Noncurrent Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Income tax authority [Axis] Income Tax Authority [Axis] Income tax authority [Domain] Income Tax Authority [Domain] Tax Act [Member] Tax Cuts and Jobs Act [Member] Tax Cuts and Jobs Act [Member] South Korean Tax Authority [Member] South Korean Tax Authority [Member] South Korean Tax Authority [Member] Nature of expense [Axis] Nature of Expense [Axis] Nature of expense [Domain] Interim Period, Costs Not Allocable [Domain] Provisional [Member] Provisional [Member] Provisional [Member] Adjustments for new accounting pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of adoption [Domain] Type of Adoption [Domain] Adjustments for new accounting pronouncement [Member] Adjustments for New Accounting Pronouncement [Member] Tax Period [Axis] Tax Period [Axis] Tax Period [Domain] Tax Period [Domain] Earliest Tax Year [Member] Earliest Tax Year [Member] Latest Tax Year [Member] Latest Tax Year [Member] Income Taxes [Line Items] Income Taxes [Line Items] [Line Items] for Income Taxes [Table] Income tax examination, year under examination Income Tax Examination, Year under Examination Current foreign tax expense (benefit) Current Foreign Tax Expense (Benefit) Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated translation adjustment [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated net gain (loss) from designated or qualifying cash flow hedges [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Accumulated other comprehensive income (loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement frequency [Axis] Measurement Frequency [Axis] Fair value, measurement frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair value, measurements, recurring [Member] Fair Value, Measurements, Recurring [Member] Measurement basis [Axis] Measurement Basis [Axis] Fair value measurement [Domain] Fair Value Measurement [Domain] Portion at fair value measurement [Member] Portion at Fair Value Measurement [Member] Reported value measurement [Member] Reported Value Measurement [Member] Fair value, hierarchy [Axis] Fair Value Hierarchy and NAV [Axis] Fair value, measurements, fair value hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Fair value, inputs, level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair value, inputs, level 2 [Member] Fair Value, Inputs, Level 2 [Member] Cash and cash equivalents [Axis] Cash and Cash Equivalents [Axis] Cash and cash equivalents [Domain] Cash and Cash Equivalents [Domain] Fixed income funds [Member] Fixed Income Funds [Member] Money market funds [Member] Money Market Funds [Member] Other current assets, net [Member] Other Current Assets [Member] Other assets, net [Member] Other Assets [Member] Accrued and other current liabilities [Member] Accrued and Other Current Liabilities [Member] Accrued and Other Current Liabilities [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Cash and cash equivalents, fair value disclosure Cash and Cash Equivalents, Fair Value Disclosure Restricted cash equivalents, fair value disclosure Restricted Cash and Cash Equivalents, Fair Value Disclosure Restricted Cash and Cash Equivalents, Fair Value Disclosure Derivative instruments - interest rate swaps, current assets Derivative Asset, Current Derivative instruments - interest rate swaps, non-current assets Derivative Asset, Noncurrent Assets, fair value disclosure Assets, Fair Value Disclosure Derivative instruments - interest rate swaps, current liabilities Derivative Liability, Current Liabilities, fair value disclosure Financial Liabilities Fair Value Disclosure Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Current portion of restricted cash and cash equivalents Restricted Cash and Cash Equivalents, Current Inventories Inventory, Net Other current assets, net Other Assets, Current Total current assets Assets, Current Property, fixtures and equipment, net Property, Plant and Equipment, Net Goodwill Goodwill Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Deferred income tax assets, net Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Other assets, net Other Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current liabilities Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued and other current liabilities Accrued and Other Liabilities, Current Aggregate carrying amount of accrued and other current liabilities (due within one year or within the normal operating cycle if longer). Includes costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed. Unearned revenue Current portion of long-term debt Long-term Debt and Capital Lease Obligations, Current Total current liabilities Liabilities, Current Deferred rent Deferred Rent Credit, Noncurrent Deferred income tax liabilities Deferred Tax Liabilities, Net, Noncurrent Long-term debt, net Long-term Debt and Capital Lease Obligations Long-term portion of deferred gain on sale-leaseback transactions, net Sale Leaseback Transaction, Deferred Gain, Net, Non-Current The non-current portion of the gain that will be recorded as income or a reduction in rent expense in future periods less amounts recognized in the current period. Other long-term liabilities, net Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Stockholders’ equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Bloomin’ Brands stockholders’ equity Preferred stock, $0.01 par value, 25,000,000 shares authorized; no shares issued and outstanding as of September 30, 2018 and December 31, 2017 Preferred Stock, Value, Issued Common stock, $0.01 par value, 475,000,000 shares authorized; 91,853,854 and 91,912,546 shares issued and outstanding as of September 30, 2018 and December 31, 2017, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated deficit Retained Earnings (Accumulated Deficit) Total Bloomin’ Brands stockholders’ equity Stockholders' Equity Attributable to Parent Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Total stockholders’ equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and stockholders’ equity Liabilities and Equity Payables and Accruals [Abstract] Schedule of accrued and other current liabilities Schedule of Accrued Liabilities and Other Current Liabilities, Current [Table Text Block] Schedule of accrued liabilities and other current liabilities, current. Schedule of effective income tax rate reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Number of reportable segments Number of Reportable Segments Balance, beginning of the period Gift card sales Deferred Revenue, Additions Gift card redemptions Deferred Revenue, Revenue Recognized Gift card breakage Revenue Recognition, Gift Card Breakage The amount of breakage recognized related to unredeemed gift cards. Breakage occurs when a customer pays in advance of vendor performance and does not demand full performance for various reasons. Balance, end of the period Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award type [Axis] Award Type [Axis] Equity award [Domain] Equity Award [Domain] Stock options [Member] Employee Stock Option [Member] Restricted stock and restricted stock units [Member] Restricted Stock and Restricted Stock Units [Member] Restricted Stock and Restricted Stock Units [Member] Performance-based share units [Member] Performance Shares [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Compensation expense Allocated Share-based Compensation Expense Segment Reporting Segment Reporting Disclosure [Text Block] Company-owned life insurance Life Insurance, Corporate or Bank Owned, Amount Deferred financing fees Debt Issuance Costs, Noncurrent, Net Liquor licenses Indefinite-Lived License Agreements Other assets Other Assets, Miscellaneous, Noncurrent Other assets, net Accumulated amortization, deferred financing fees Accumulated Amortization, Debt Issuance Costs, Noncurrent Accrued and Other Current Liabilities Accrued Liabilities and Other Liabilities Disclosure, Current [Text Block] Accrued liabilities and other liabilities disclosure, current Income statement location [Axis] Income Statement Location [Axis] Income statement location [Domain] Income Statement Location [Domain] Interest expense [Member] Interest Expense [Member] Income tax (benefit) expense [Member] Income Tax Expense (Benefit) [Member] Income tax expense (benefit) [Member] Interest rate swap income (expense) recognized in Interest expense, net Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Income tax (expense) benefit recognized in (Benefit) provision for income taxes Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Total effects of the interest rate swaps on Net income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] U.S. [Member] UNITED STATES Brazil [Member] BRAZIL International, other [Member] Non-US [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Long-lived assets Long-Lived Assets Income Taxes Income Tax Disclosure [Text Block] Schedule of repurchases of common stock Schedule of Repurchases of Common Stock [Table Text Block] Tabular disclosure related to repurchases of common stock under a share repurchase program. Dividends declared and paid Dividends Declared [Table Text Block] Schedule of accumulated other comprehensive loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Comprehensive income Comprehensive Income (Loss) [Table Text Block] Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term debt, type [Axis] Long-term Debt, Type [Axis] Long-term debt, type [Domain] Long-term Debt, Type [Domain] Secured debt [Member] Secured Debt [Member] Unsecured debt [Member] Unsecured Debt [Member] Credit facility [Axis] Credit Facility [Axis] Credit facility [Domain] Credit Facility [Domain] Term loan A facility [Member] Term Loan A Facility [Member] Term Loan A Facility [Member] Revolving credit facility [Member] Revolving Credit Facility [Member] Debt instrument [Axis] Debt Instrument [Axis] Debt instrument, name [Domain] Debt Instrument, Name [Domain] Senior Secured Credit Facility [Member] Senior Secured Credit Facility [Member] Senior Secured Credit Facility [Member] Notes payable, other payables [Member] Notes Payable, Other Payables [Member] Weighted average [Member] Weighted Average [Member] Debt instrument [Line Items] Debt Instrument [Line Items] Long-term debt, gross Long-term Debt, Gross Line of credit facility, amount outstanding Long-term Line of Credit Financing obligations Sale Leaseback Transaction, Amount Due under Financing Arrangement Capital lease obligations Capital Lease Obligations Other long-term debt, noncurrent Other Long-term Debt, Noncurrent Unamortized debt discount and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Total debt, net Debt and Capital Lease Obligations Current portion of long-term debt Debt instrument, interest rate at period end Debt Instrument, Interest Rate, Effective Percentage Sale-leaseback transaction, imputed interest rate Sale Leaseback Transaction, Imputed Interest Rate Debt instrument, interest rate, stated percentage Debt Instrument, Interest Rate, Stated Percentage Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Receivable type [Axis] Receivable Type [Axis] Receivable type [Domain] Receivable [Domain] Accounts receivable - gift cards [Member] Accounts Receivable - Gift Cards [Member] Accounts Receivable - Gift Cards [Member] Accounts receivable - vendors, net [Member] Accounts Receivable, Vendors [Member] Accounts receivable, vendors [Member] Accounts receivable - franchisees, net [Member] Accrued Income Receivable [Member] Accounts receivable - other, net [Member] Accounts Receivable, Other [Member] Accounts receivable, other [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Prepaid expenses Prepaid Expense, Current Accounts receivable, net Accounts Receivable, Net, Current Deferred gift card sales commissions Assets held for sale Disposal Group, Including Discontinued Operation, Assets, Current Other current assets, net Other Assets, Miscellaneous, Current Total other current assets, net Accrued payroll and other compensation Employee-related Liabilities, Current Accrued insurance Accrued Insurance, Current Other current liabilities Other Accrued Liabilities and Other Liabilities, Current Aggregate carrying amount of current liabilities (due within one year or within the normal operating cycle if longer) not separately disclosed in the balance sheet or footnote. Accrued and other current liabilities Disposal group name [Axis] Disposal Group Name [Axis] Disposal group name [Domain] Disposal Group Name [Domain] Restructuring and restaurant closure initiatives [Member] Restructuring and Restaurant Closure Initiatives [Member] Restructuring and Restaurant Closure Initiatives [Member] Provision for impaired assets and restaurant closings Provision for Impaired Assets and Restaurant Closings [Table Text Block] Provision for Impaired Assets and Restaurant Closings [Table Text Block] Disposal groups, including discontinued operations Disposal Groups, Including Discontinued Operations [Table Text Block] Accrued facility closure and other costs rollforward Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Earnings Per Share [Abstract] Schedule of earnings per share, basic and diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of antidilutive securities excluded from computation of earnings per share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Reporting Unit [Axis] Reporting Unit [Axis] Reporting Unit [Domain] Reporting Unit [Domain] Outback Steakhouse [Member] Outback Steakhouse [Member] Outback Steakhouse [Member] Carrabba's Italian Grill [Member] Carrabba's Italian Grill [Member] Carrabba's Italian Grill [Member] Bonefish Grill [Member] Bonefish Grill [Member] Bonefish Grill [Member] Fleming's Prime Steakhouse & Wine Bar [Member] Fleming's Prime Steakhouse & Wine Bar [Member] Fleming's Prime Steakhouse & Wine Bar [Member] Other - U.S. [Member] Other - U.S. [Member] Other - U.S. [Member] Outback Brazil [Member] Outback Brazil [Member] Outback Brazil [Member] Other - International [Member] Other - International [Member] Other - International [Member] Intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Excess tax benefits for tax deductions related to the exercise of stock options Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount Cash received from option exercises, net of tax withholding Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Restructuring reserve beginning of period Restructuring Reserve Payments for restructuring Payments for Restructuring Restructuring reserve, adjustments Restructuring Reserve, Accrual Adjustment Restructuring reserve end of period Restructuring reserve, current Restructuring Reserve, Current Restructuring reserve, noncurrent Restructuring Reserve, Noncurrent Derivative, interest rate swaps, assets, fair value Interest Rate Derivative Assets, at Fair Value Derivative, interest rate swaps, liabilities, fair value Interest Rate Derivative Liabilities, at Fair Value Plan name [Axis] Plan Name [Axis] Plan name [Domain] Plan Name [Domain] Bloomin' Brands, Inc. 2016 Omnibus Incentive Compensation Plan [Member] 2016 Incentive Plan [Member] 2016 Incentive Plan [Member] Class of stock [Axis] Class of Stock [Axis] Class of stock [Domain] Class of Stock [Domain] Common stock [Member] Common Stock [Member] Restricted stock units [Member] Restricted Stock Units (RSUs) [Member] Share-based compensation arrangement by share-based payment award, number of shares authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Share-based compensation, nonvested awards, compensation not yet recognized, stock options Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Share-based compensation, nonvested awards, compensation not yet recognized, share-based awards other than options Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Income Statement [Abstract] Revenues Revenues [Abstract] Costs and expenses Costs and Expenses [Abstract] Cost of sales Cost of Goods and Services Sold Labor and other related Cost, Direct Labor Other restaurant operating Other Cost and Expense, Operating General and administrative General and Administrative Expense Total costs and expenses Costs and Expenses Income from operations Operating Income (Loss) Loss on extinguishment and modification of debt Other (expense) income, net Other Nonoperating Income (Expense) Interest expense, net Interest Income (Expense), Nonoperating, Net Income before (benefit) provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Net income Less: net income (loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Net income attributable to Bloomin’ Brands Net Income (Loss) Attributable to Parent Other comprehensive (loss) income: Other Comprehensive Income (Loss), Net of Tax [Abstract] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Unrealized gain (loss) on derivatives, net of tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Reclassification of adjustment for (gain) loss on derivatives included in Net income, net of tax Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Less: comprehensive income (loss) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive (loss) income attributable to Bloomin’ Brands Comprehensive Income (Loss), Net of Tax, Attributable to Parent Earnings per share: Earnings Per Share, Basic and Diluted [Abstract] Basic earnings per share Income (Loss) from Continuing Operations, Per Basic Share Diluted earnings per share Income (Loss) from Continuing Operations, Per Diluted Share Weighted average common shares outstanding: Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Basic (shares) Weighted Average Number of Shares Issued, Basic Diluted (shares) Weighted Average Number of Shares Outstanding, Diluted Other Assets, net Other Assets, Noncurrent, Net [Text Block] The entire disclosure for other noncurrent assets, net. Schedule of segment reporting information, by segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Reconciliation of revenue from segments to consolidated Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Reconciliation of operating profit from segments to consolidated Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Reconciliation of segment depreciation and amortization Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table Text Block] Schedule of long-lived assets, by geographical areas Long-lived Assets by Geographic Areas [Table Text Block] Revenue from external customers by geographic areas Revenue from External Customers by Geographic Areas [Table Text Block] Earnings Per Share Earnings Per Share [Text Block] Fair value, inputs, level 3 [Member] Fair Value, Inputs, Level 3 [Member] Long-term debt, fair value Long-term Debt, Fair Value Loans payable, fair value disclosure Loans Payable, Fair Value Disclosure Notes payable, fair value disclosure Notes Payable, Fair Value Disclosure Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive securities [Axis] Antidilutive Securities [Axis] Antidilutive securities, name [Domain] Antidilutive Securities, Name [Domain] Nonvested restricted stock and restricted stock units [Member] Nonvested performance-based share units [Member] Antidilutive securities excluded from computation of earnings per share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive securities not included in the computation of earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Fair value, measurements, nonrecurring [Member] Fair Value, Measurements, Nonrecurring [Member] Asset class [Axis] Asset Class [Axis] Fair value by asset class [Domain] Asset Class [Domain] Assets held for sale [Member] Disposal Group, Held-for-sale, Not Discontinued Operations [Member] Property, plant and equipment [Member] Property, Plant and Equipment [Member] Assets measured with impairment, period of measurement [Axis] Assets Measured with Impairment, Period of Measurement [Axis] Assets Measured with Impairment, Period of Measurement [Axis] Assets measured with impairment, period of measurement [Domain] Assets Measured with Impairment, Period of Measurement [Domain] [Domain] for Assets Measured with Impairment, Period of Measurement [Axis] Assets measured with impairment, quarter-to-date [Member] Assets Measured with Impairment, Quarter-to-Date [Member] Assets measured with impairment, quarter-to-date [Member] Assets measured with impairment, year-to-date [Member] Assets Measured with Impairment, Year-to-Date [Member] Assets Measured with Impairment, Year-to-Date [Member] Impairment of long-lived assets to be disposed of Impairment of Long-Lived Assets to be Disposed of Property, fixtures and equipment, impairment Impairment of Long-Lived Assets Held-for-use Total impairment losses Asset Impairment Charges Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding at December 31, 2017 (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Exercised (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Forfeited or expired (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Outstanding at September 30, 2018 (shares) Exercisable at September 30, 2018 (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding at December 31, 2017 (per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted (per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised (per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited or expired (per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Outstanding at September 30, 2018 (per share) Exercisable at September 30, 2018 (per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted-average remaining contractual years, outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted-average remaining contractual years, exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Outstanding intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Exercisable intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Goodwill, impairment loss Goodwill, Impairment Loss Impairment of intangible assets, indefinite-lived Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Impairment and Disposals [Abstract] Impairment and Disposals [Abstract] Surplus Properties [Member] Other Property [Member] Impairment of surplus properties, held and used Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Income from operations New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Accumulated deficit [Member] Retained Earnings [Member] Restatement [Axis] Restatement [Axis] Restatement [Domain] Restatement [Domain] Previously reported [Member] Previously Reported [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Cumulative-effect of new accounting principle in period of adoption New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets Income from operations Income before (benefit) provision for income taxes (Benefit) provision for income taxes Net income Net income attributable to Bloomin’ Brands Total assets Total current liabilities Total liabilities Total Bloomin’ Brands stockholders’ equity Total stockholders’ equity Total liabilities and stockholders’ equity Schedule of compensation cost for share-based payment arrangements, allocation of share-based compensation costs by plan Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Share-based compensation, stock options, activity Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of share-based payment award, stock options, valuation assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of stock-based compensation information, stock options Schedule of Stock-based Compensation Information, Stock Options [Table Text Block] Tabular disclosure of stock option compensation information including, but not limited to such items as, intrinsic value of options exercised, cash received from option exercises, tax benefits, unrecognized stock option expense and weighted-average vesting period. Schedule of unrecognized compensation cost, nonvested awards Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block] Accumulated other comprehensive loss [Member] AOCI Attributable to Parent [Member] Non-controlling interests [Member] Noncontrolling Interest [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance (in shares) Common Stock, Shares, Outstanding Balance Net income Profit (Loss) Excluding Net Income Loss Attributable to Redeemable Noncontrolling Interests The consolidated profit or loss from the period, net of income taxes, including the portion attributable to noncontrolling interest but excluding the portion attributable to redeemable noncontrolling interest. Other comprehensive (loss) income, net of tax Other Comprehensive Income (Loss), Net of Tax Cash dividends declared, per common share Repurchase and retirement of common stock, shares Stock Repurchased and Retired During Period, Shares Repurchase and retirement of common stock Stock Repurchased and Retired During Period, Value Stock-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Common stock issued under stock plans, shares Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Common stock issued under stock plans Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Change in redemption value of redeemable interests Noncontrolling Interest, Change in Redemption Value Purchase of noncontrolling interests, net of tax of $45 Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent Distributions to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Contributions from noncontrolling interests Noncontrolling Interest, Increase from Subsidiary Equity Issuance Cumulative-effect from a change in accounting principle Cumulative Effect of New Accounting Principle in Period of Adoption Other Stockholders' Equity, Other Balance (in shares) Balance Schedule of Earnings Per Share, Basic and Diluted [Table] Schedule of Earnings Per Share, Basic and Diluted [Table] Schedule of Earnings Per Share, Basic and Diluted [Table] Schedule of earnings per share, basic and diluted [Line Items] Schedule of Earnings Per Share, Basic and Diluted [Line Items] Schedule of Earnings Per Share, Basic and Diluted [Line Items] Basic weighted average common shares outstanding Effect of diluted securities: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Dilutive shares Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Diluted weighted average common shares outstanding Basic earnings per share Diluted earnings per share Employee severance [Member] Employee Severance [Member] Contract termination [Member] Contract Termination [Member] Provision for impaired assets and restaurant closings [Member] Provision for Impaired Assets and Restaurant Closings [Member] Provision for impaired assets and restaurant closings [Member] General and administrative expense [Member] General and Administrative Expense [Member] Other restaurant operating [Member] Other restaurant operating [Member] Other restaurant operating [Member] Restructuring, reversal of deferred rent liabilities Restructuring, Reversal of Deferred Rent Liabilities Amount of deferred rent reversal associated with exit or disposal activities pursuant to an authorized plan. Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Weighted-average risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected term Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Weighted-average volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Weighted-average grant date fair value per option Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Scenario, forecast [Member] Scenario, Forecast [Member] Derivative instruments, gain (loss) reclassification from accumulated OCI to income, estimated net amount to be transferred Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred Impairment losses Restaurant closure expenses Business Exit Costs Provision for impaired assets and restaurant closings Other Long-term Liabilities, Net Other Liabilities Disclosure [Text Block] Schedule of long-term debt, net Schedule of Long-term Debt Instruments [Table Text Block] Stock-based Compensation Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Share repurchase program [Table] Share Repurchase Program [Table] A table reflecting activity in a share repurchase program. Share repurchase program [Axis] Share Repurchase Program [Axis] Share repurchase program [Domain] Share Repurchase Program [Domain] 2017 Share repurchase program [Member] 2017 Share Repurchase Program [Member] 2017 Share Repurchase Program [Member] 2018 Share repurchase program [Member] 2018 Share Repurchase Program [Member] 2018 Share Repurchase Program [Member] Share Repurchase Program [Line Items] Share Repurchase Program [Line Items] [Line Items] for A table reflecting activity in a share repurchase program. Stock repurchase program, authorized repurchase amount canceled Stock Repurchase Program, Authorized Repurchase Amount Canceled Amount of a stock repurchase plan authorization canceled by the Board of Directors. Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Stock repurchase program, remaining number of shares authorized to be repurchased Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Stock repurchased and retired during period, shares Stock repurchased program, average price paid, per share Treasury Stock Acquired, Average Cost Per Share Stock repurchased and retired during period, value Balance, beginning of period Deferred gift card sales commissions amortization Deferred gift card sales commissions capitalization Deferred Sales Inducement Cost, Addition Other Other Depreciation and Amortization Balance, end of period Bloomin' Brands [Member] Parent [Member] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Total unrealized (loss) gain on derivatives, net of tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Other comprehensive (loss) income attributable to Bloomin’ Brands Other comprehensive income, unrealized gain on derivatives arising during period, tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Long-term Debt, Net Long-term Debt [Text Block] Schedule of principal transactions, revenue Schedule of Principal Transactions Revenue [Table Text Block] Disaggregation of revenue Disaggregation of Revenue [Table Text Block] Contract with customers, asset and liability Contract with Customer, Asset and Liability [Table Text Block] Preferred stock, par per share Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Common stock, par per share Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Impairments and Exit Costs Restructuring, Impairment, and Other Activities Disclosure [Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Deferred gain on sale-leaseback transactions, net Sale Leaseback Transaction, Deferred Gain, Net Deferred tax assets, net of valuation allowance, noncurrent Deferred Tax Assets, Deferred Gain on Sale Leaseback Transaction Recognition of deferred gain on sale-leaseback transactions Number of restaurant concepts in portfolio Number of Restaurant Concepts Number of restaurant concepts in the Company's portfolio.