Hedging Designation [Domain] Hedging Designation [Domain] Supplemental information Supplemental Cash Flow Information [Abstract] Unrealized Holding Gains (Losses) on Available- for-Sale Securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] Other Industries [Abstract] Other Industries [Abstract] Integration related costs Business Combination, Integration Related Costs Trademarks and Trade Names Trademarks and Trade Names [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Net earnings attributable to Hasbro, Inc. Net earnings attributable to Hasbro, Inc. Net earnings attributable to Hasbro, Inc. Net Income (Loss) Attributable to Parent Entity Emerging Growth Company Entity Emerging Growth Company Operating lease right-of-use assets, net Operating Lease, Right-of-Use Asset Number of brand categories Number Of Brand Categories Number Of Brand Categories Income Statement Location [Axis] Income Statement Location [Axis] Interest Rate Contract Interest Rate Contract [Member] Drawdowns Production Financing Loan and Other Loans, Drawdowns Production Financing Loan and Other Loans, Drawdowns Goodwill Goodwill Disclosure [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Acquisition and related costs Business Combination, Acquisition Related Costs Other intangibles, accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Entity Address, Address Line One Entity Address, Address Line One Prepaid Expenses Disposal Group, Including Discontinued Operation, Prepaid and Other Assets Other Other Intangible Assets [Member] Schedule of Net Revenues by Major Geographic Region Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Contract assets recognized Contract with Customer, Asset, Credit Loss Expense (Reversal) Derivatives Derivative Liability Dividends declared Dividends, Common Stock, Cash Aggregate sales price Disposal Group, Including Discontinued Operation, Consideration Tax benefit on foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Schedule of Contract Assets and Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Entity Filer Category Entity Filer Category Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] Weighted average remaining lease term, operating leases Operating Lease, Weighted Average Remaining Lease Term Other Other Assets, Noncurrent Investment, Name [Axis] Investment, Name [Axis] Consolidated total leverage ratio Debt Instrument, Covenant Compliance, Consolidated Total Leverage Ratio Consolidated Total Leverage Ratio Segments [Axis] Segments [Axis] Foreign exchange differences Other Loans Payable, Exchange Difference Other Loans Payable, Exchange Difference 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 Redemption price (as a percent) Debt Instrument, Redemption Price, Percentage Redemption of equity instruments Redemption Of Equity Instruments Redemption Of Equity Instruments Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Stock-based compensation expense APIC, Share-based Payment Arrangement, Increase for Cost Recognition Production financing loan, weighted average interest rate Production Financing Loan, Weighted Average Interest Rate Production Financing Loan, Weighted Average Interest Rate Gain from change in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings eOne Music Sale Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] In production Film, Monetized in Film Group, Capitalized Cost, Production Fair Value Hedging Fair Value Hedging [Member] Document Fiscal Year Focus Document Fiscal Year Focus Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Threshold years for amortization method Finite-Lived Intangible Asset, Threshold Years For Amortization Method Finite-Lived Intangible Asset, Threshold Years For Amortization Method Amortization of intangibles Amortization of intangibles Amortization of Intangible Assets Fair Value Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Weighted average amortization period (in years) Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Weighted average discount rate, operating lease Operating Lease, Weighted Average Discount Rate, Percent 6.60% Debentures Due 2028 Debentures 6.60% Due 2028 [Member] Debentures 6.60% due 2028 Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Revenue recognized Contract with Customer, Liability, Revenue Recognized Inventory purchases Foreign Currency Forward Contract, Inventory Purchases [Member] Contract negotiated between two parties to purchase and sell a specific quantity of a financial instrument, foreign currency, or commodity at a price specified at origination of the contract, with delivery and settlement at a specified future date. Subsequent Events [Abstract] Subsequent Events [Abstract] Reconciliation of Assets from Segment to Consolidated [Table] Reconciliation of Assets from Segment to Consolidated [Table] Dividends Dividends Payable, Current Business Combination and Asset Acquisition [Abstract] Business Acquisition [Axis] Business Acquisition [Axis] Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Cash Flow Hedging Cash Flow Hedging [Member] Unrealized holding (gains) losses on available-for-sale securities, net of tax OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Disposal Group Name [Axis] Disposal Group Name [Axis] ASSETS Assets [Abstract] Other liabilities Other Liabilities [Member] Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Products and Services [Table] Products and Services [Table] Preference stock of $2.50 par value. Authorized 5,000,000 shares; none issued Preferred Stock, Value, Issued Schedule of Program Production Costs Schedule of Program Production Costs [Table Text Block] Tabular disclosure of information regarding the components of program production costs. Production financing facilities, term (less than) Production Financing Facilities, Term Production Financing Facilities, Term Entity Address, City or Town Entity Address, City or Town Trade names Trade Names [Member] Retained Earnings Retained Earnings [Member] Debt Instrument [Axis] Debt Instrument [Axis] Decrease (increase) in prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Schedule of Other Comprehensive Income (Loss), Tax Effect Schedule of Other Comprehensive Income (Loss), Tax Effect [Table Text Block] Tabular disclosure of tax effects of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. Freight Accrued Freight, Current Accrued Freight, Current Long-term debt, fair value Long-term Debt Fair Value, Excluding Current Maturities Fair value amount of long-term debt, classified as non-current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Accrued Liabilities Disposal Group, Including Discontinued Operation, Accrued Liabilities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Integration related costs, acceleration of stock-based compensation Business Combination, Integration Related Costs, Acceleration Of Stock-Based Compensation Business Combination, Integration Related Costs, Acceleration Of Stock-Based Compensation Investments in productions and content Business Acquisition, Investments In Productions and Content Business Acquisition, Investments In Productions and Content (Increase) decrease in accounts receivable Increase (Decrease) in Accounts Receivable Right-of-use assets obtained in exchange for lease obligations, operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Lease liability - Current Lease Liability, Current Lease Liability, Current Other loans, beginning balance Other loans, ending balance Other Loans Payable eOne Music eOne Music [Member] eOne Music Entity Interactive Data Current Entity Interactive Data Current Entertainment Entertainment Segment [Member] Entertainment Segment Net repayments of other short-term borrowings Repayments of Short-term Debt Basic (in dollars per share) Net earnings per common share, basic (in dollars per share) Earnings Per Share, Basic Operating lease expense Operating Lease, Expense 2024 Lessee, Operating Lease, Liability, to be Paid, Year Three Revenue Recognition Revenue from Contract with Customer [Text Block] Balance at beginning of year Balance at end of third quarter Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Document Type Document Type Family Brands Class of Principal Product Family Brands [Member] Class of Principal Product Family Brands CANADA CANADA Diluted Earnings Per Share, Diluted [Abstract] Entity Current Reporting Status Entity Current Reporting Status US Treasury (UST) Interest Rate US Treasury (UST) Interest Rate [Member] Proceeds from borrowings with maturity greater than three months Proceeds from Debt, Maturing in More than Three Months Operating cash flows from operating leases Operating Lease, Payments Other non-cash items Other Noncash Income (Expense) Unrealized gains Unrealized gains Derivative Asset, Fair Value, Gross Asset Titles Titles [Member] Titles Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Aggregate purchase price Business Combination, Consideration Transferred Total Production Financing Held by Production Subsidiaries and Other Loans Production Financing Held by Production Subsidiaries and Other Loans Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Carrying Cost Long-term Debt, Gross Goodwill [Roll Forward] Goodwill [Roll Forward] Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Assets: Assets, Fair Value Disclosure [Abstract] Total assets Assets, Fair Value Disclosure Total film costs Film, Monetized in Film Group, Capitalized Cost Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Loss on disposal of business Impairment during the period Impairment during the period Goodwill, Impairment Loss Other Other Operating Activities, Cash Flow Statement Document Transition Report Document Transition Report Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] 3.90% Notes Due 2029 Notes 3.90% Due 2029 [Member] Notes 390 Due 2029 [Member] Base Rate Base Rate [Member] Aggregate purchase price, extinguishment of debt Payments To Acquire Businesses, Gross, Extinguishment Of Debt Payments To Acquire Businesses, Gross, Extinguishment Of Debt Total liabilities, noncontrolling interests and shareholders' equity Liabilities and Equity Other Other Accrued Liabilities, Current Contract liabilities - current Deferred revenue Contract with Customer, Liability, Current Total Production Financing Loans, Net Production Financing Loans, Net Restricted cash Restricted Cash Variable % Notes Due December 30, 2024 Variable Rate Notes Due 2024 [Member] Variable Rate Notes Due 2024 [Member] Additional paid-in capital Additional Paid in Capital Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] LIABILITIES, NONCONTROLLING INTERESTS AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] Derivative [Line Items] Derivative [Line Items] Hedging Relationship [Domain] Hedging Relationship [Domain] Amortization expense of intangibles Business Acquisition, Pro Forma, Amortization Of Intangible Assets Business Acquisition, Pro Forma, Amortization Of Intangible Assets Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Term Loan Agreement Term Loan Agreement [Member] Term Loan Agreement [Member] Assets de-consolidated Total Assets Disposal Group, Including Discontinued Operation, Assets Earnings Per Share Earnings Per Share [Text Block] Costs and expenses: Operating Expenses [Abstract] Minimum Minimum [Member] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Total Assets by Segment Reconciliation of Assets from Segment to Consolidated [Table Text Block] Distributions paid to noncontrolling owners and other foreign exchange Temporary Equity, Decrease (Increase) From Distributions To Noncontrolling Owners And Other Foreign Exchange Temporary Equity, Decrease (Increase) From Distributions To Noncontrolling Owners And Other Foreign Exchange 2023 Lessee, Operating Lease, Liability, to be Paid, Year Two Term loans proceeds which financed acquisition Long-term Line of Credit Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Total comprehensive earnings (loss) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Selling, distribution and administration Selling, General and Administrative Expense Less: Deferred debt expenses Debt Issuance Costs, Net Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Preference stock, authorized (in shares) Preferred Stock, Shares Authorized Established brands Established Brands [Member] Established Brands Beginning balance Ending balance Restructuring Reserve Trading Symbol Trading Symbol Shares issued for acquisition, value Stock Issued During Period, Value, Acquisitions Current liabilities Liabilities, Current [Abstract] Cash paid during the period for: Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Drawdowns Production Financing Loan, Drawdowns Production Financing Loan, Drawdowns Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Restructuring Plan [Domain] Restructuring Plan [Domain] Financial Instruments Debt Disclosure [Text Block] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Consolidated interest coverage ratio Debt Instrument, Covenant Compliance, Consolidated Interest Coverage Ratio Consolidated Interest Coverage Ratio Total Program Investments Film, Capitalized Cost Goodwill and Other Intangible Assets Disposal Group, Including Discontinued Operation, Goodwill And Other Intangible Assets. Disposal Group, Including Discontinued Operation, Goodwill And Other Intangible Assets. Senior Notes Senior Notes [Member] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Leases Lessee, Leases [Policy Text Block] Accounting Policies [Abstract] Accounting Policies [Abstract] Derivative Instrument [Axis] Derivative Instrument [Axis] Deferred Taxes Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities Number of reportable segments Number of Reportable Segments eOne eOne Acquisition [Member] eOne Acquisition [Member] Present value of future operating lease payments Operating Lease, Liability Repayments of borrowings with maturity greater than three months Repayments of Debt, Maturing in More than Three Months Schedules of Net Revenues by Category Revenue from External Customers by Products and Services [Table Text Block] Common stock of $0.50 par value. Authorized 600,000,000 shares; issued 220,286,736 shares at September 26, 2021, September 27, 2020, and December 27, 2020 Common Stock, Value, Issued Music and Other Music And Other [Member] Music and Other [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Total non-operating expense, net Nonoperating Income (Expense) Liabilities de-consolidated Total Liabilities Disposal Group, Including Discontinued Operation, Liabilities Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Leases Lessee, Operating Leases [Text Block] Proceeds from sale of business, net of cash Net proceeds from sale of business Proceeds from Divestiture of Businesses, Net of Cash Divested Accumulated other comprehensive loss Net deferred gains on derivative Accumulated Other Comprehensive Income (Loss), Net of Tax Investment in Productions and Investments in Acquired Content Rights Entertainment [Text Block] Accounts receivable, allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current 2021 (excluding the nine months ended September 26, 2021) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Titles Over 3 Years Old Titles Over 3 Years Old [Member] Titles Over 3 Years Old Asset impairments Asset Impairment Charges, Excluding Goodwill Impairment Related To Disposal Group Asset Impairment Charges, Excluding Goodwill Impairment Related To Disposal Group Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Document Period End Date Document Period End Date Repayments of unsecured debt, principal Debt Instrument, Periodic Payment, Principal Options and other share-based awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Goodwill [Line Items] Goodwill [Line Items] Total costs and expenses Costs and Expenses Program cost amortization Program Production Cost Amortization The amount of expense recognized in the current period related to program production costs which are capitalized by the Company as they are incurred and amortized using the individual-film-forecast method, whereby these costs are amortized in the proportion that the current period's revenues bear to management's estimate of total ultimate revenues as of the beginning of such period related to the program. Royalties Royalty Expense Entity Registrant Name Entity Registrant Name Treasury stock (in shares) Treasury Stock, Shares 2018 Restructuring & 2020 Commercial Program 2018 Restructuring And 2020 Commercial Program [Member] 2018 Restructuring And 2020 Commercial Program Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Distributions paid to noncontrolling owners and other foreign exchange Noncontrolling Interest, Decrease (Increase) From Distributions To Noncontrolling Interest Holders And Other Foreign Exchange Noncontrolling Interest, Decrease (Increase) From Distributions To Noncontrolling Interest Holders And Other Foreign Exchange 3.55% Notes Due 2026 Notes 3.55% Due 2026 [Member] Notes 355 Due 2026 [Member] Other loans Other Loans Payable, Current Severance Accrued Severance, Current Accrued Severance, Current Pre-tax cash transaction expenses Disposal Group, Not Discontinued Operations, Transaction Expense Disposal Group, Not Discontinued Operations, Transaction Expense TV/Film/Entertainment Entertainment [Member] Tax benefit (expense) on unrealized holding gains (losses) OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Reconciliation of Level 3 Fair Value Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Cash dividends declared per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Accrued liabilities Total accrued liabilities Accrued Liabilities, Current Net revenues Revenue from Contract with Customer, Excluding Assessed Tax Wizards of the Coast and Digital Gaming Wizards of the Coast and Digital Gaming Wizards and Digital Gaming [Member] Wizards and Digital Gaming Dividends paid Payments of Dividends Consolidation Items [Domain] Consolidation Items [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Other programming costs Other Programming Costs Other Programming Costs Payments made in the first nine months of 2021 Payments for Restructuring Common Stock Common Stock [Member] Interest income Investment Income, Interest Variable Rate [Axis] Variable Rate [Axis] Segment Reporting Segment Reporting Disclosure [Text Block] Operating profit Operating profit (loss) Operating Income (Loss) Less current portion of operating lease liabilities Operating Lease, Liability, Current Completed and not released Other Programming, Completed and Not Released Other Programming, Completed and Not Released Noncontrolling interests related to acquisition of Entertainment One Ltd. Temporary Equity, Stock Issued During Period, Value, New Issues Hedging Designation [Axis] Hedging Designation [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Stock-based compensation Share-based Payment Arrangement, Noncash Expense Restructuring Actions Restructuring and Related Activities Disclosure [Text Block] Variable Rate [Domain] Variable Rate [Domain] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Additional Paid-in Capital Additional Paid-in Capital [Member] Cash and cash equivalents including restricted cash of $94.9 million, $71.2 million and $73.2 million Cash and Cash Equivalents, at Carrying Value Depreciation of plant and equipment Depreciation Repayments of debt Repayments of Debt Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Treasury Stock Treasury Stock [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Net gains (losses) on derivative Gain (Loss) on Derivative Instruments, Net, Pretax Goodwill allocation Goodwill, Transfers Income taxes Income Taxes Paid Asset impairments Asset Impairment Charges Notional Amount Notional amount Derivative, Notional Amount Other assets Other Assets [Member] Released, net of amortization Film, Monetized in Film Group, Capitalized Cost, Released Other income (expense), net Other Nonoperating Income (Expense) Fair Value Long-term Debt, Fair Value Other Payments for (Proceeds from) Other Investing Activities Additions to property, plant and equipment Payments to Acquire Property, Plant, and Equipment Fair Value Net unrealized gains Derivative, Fair Value, Net Maximum Maximum [Member] Total liabilities Liabilities Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Net earnings (loss) attributable to noncontrolling interests Temporary Equity, Net Income Debt extinguishment costs Debt extinguishment costs Payment for Debt Extinguishment or Debt Prepayment Cost Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Production Financing Loan and Other Loans [Roll Forward] Production Financing Loan and Other Loans [Roll Forward] Production Financing Loan and Other Loans [Roll Forward] Redeemable noncontrolling interests Beginning balance Ending balance Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests Reconciliation of Future Undiscounted Cash Flows Lessee, Operating Lease, Liability, Maturity [Table Text Block] Consolidation Items [Axis] Consolidation Items [Axis] In production Other Programming Costs, In Production Other Programming Costs, In Production Common stock, issued (in shares) Common Stock, Shares, Issued Preference stock, issued (in shares) Preferred Stock, Shares Issued Increase in accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Gaming including Magic the Gathering and Monopoly Gaming including Magic the Gathering and Monopoly [Member] Gaming segment including Magic the Gathering and Monopoly. These two games are typically recorded in the Franchise segment. Production Financing Facilities Production Financing Facilities [Member] Production Financing Facilities [Member] Employee stock option and restricted stock units Employee Stock Option and Restricted Stock Units [Member] An arrangement whereby an employee is entitled to receive in the future, subject to vesting and other restrictions, a number of shares in the entity at a specified price, as defined in the agreement. Although there are variations, normally, after vesting, when an option is exercised, the employee-holder pays the strike value in cash to the issuing employer-entity and receives equity shares. The equity shares can be sold into the market for cash at the current market price without restriction. Options may be used to attract, retain and incentivize employees, in addition to their regular salary and other benefits. Also includes, Share instrument which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met. Designated as Hedging Instrument Designated as Hedging Instrument [Member] Pre-production Film, Monetized in Film Group, Capitalized Cost, Development and Preproduction Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Sales Foreign Currency Forward Contract, Sales Contract [Member] Foreign exchange differences Production Financing Loan, Exchange Difference Production Financing Loan, Exchange Difference Eurocurrency Rate Eurodollar [Member] Cash consideration per share (in dollars and GBP per share) Business Acquisition, Share Price Shareholders' equity Stockholders' Equity Attributable to Parent [Abstract] Schedule of Accumulated Other Comprehensive Earnings (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Loss on disposal of business Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Balance Sheet Location [Axis] Balance Sheet Location [Axis] Other Comprehensive Earnings (Loss) Comprehensive Income (Loss) Note [Text Block] Non-current operating lease liability Operating Lease, Liability, Noncurrent Accrued liabilities Accrued liabilities Accrued Liabilities [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Consumer Products Consumer Products [Member] Consumer Products Aggregate principal amount Aggregate principal amount Aggregate principal amount Debt Instrument, Face Amount Interest expense Deferred losses reclassified from AOCE to net earnings Interest Expense Other assets Assets, Noncurrent [Abstract] Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] City Area Code City Area Code Retained earnings Retained Earnings (Accumulated Deficit) Operating Segments Operating Segments [Member] Remaining lease terms Lessee, Operating Lease, Term of Contract Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] 6.35% Notes Due 2040 Notes 6.35% Due 2040 [Member] Notes 6.35% due 2040 Other taxes Accrual for Taxes Other than Income Taxes, Current Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Information by Segment and Reconciliation to Reported Amounts Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Business Acquisition [Line Items] Business Acquisition [Line Items] Schedule of Net Gains (Losses) on Cash Flow Hedges Activities Derivative Instruments, Gain (Loss) [Table Text Block] Income Statement [Abstract] Income Statement [Abstract] Amendment Flag Amendment Flag Production financing held by production subsidiaries Production Financing Held by Production Subsidiaries Production Financing Held by Production Subsidiaries Reclassifications to earnings, tax effect: Reclassification from AOCI, Current Period, Tax [Abstract] Investment in Content Content Investment [Member] Content Investment [Member] Stock-based compensation transactions Proceeds from Stock Options Exercised Investment in Production Production Investment [Member] Production Investment [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Income tax expense Income Tax Expense (Benefit) Total shareholders' equity Beginning balance Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Amortization of unrecognized pension and postretirement amounts Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Period Benefit Cost Net Of Tax The adjustment out of other comprehensive income for actuarial gains or losses recognized as a component of net periodic benefit cost during the period, after tax. Net earnings (loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Accounts receivable, less allowance for doubtful accounts of $30.4 million, $23.7 million and $28.1 million Accounts Receivable, after Allowance for Credit Loss, Current Asia Pacific Asia Pacific [Member] Net proceeds after deduction of underwriting discount and fees Proceeds from Issuance of Long-term Debt Unsecured Debt Unsecured Debt [Member] Equity Components [Axis] Equity Components [Axis] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total current assets Assets, Current Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Total future lease payments Lessee, Operating Lease, Liability, to be Paid Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Contract assets - long term Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent Inventories Inventory, Net Net losses (gains) on cash flow hedging activities Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Foreign exchange differences Production Financing Loan and Other Loans, Exchange Difference Production Financing Loan and Other Loans, Exchange Difference Entity File Number Entity File Number 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] Upward adjustment if credit rating is reduced (as a percent) Debt Instrument, Interest Rate, Increase (Decrease) Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Other Liabilities Disposal Group, Including Discontinued Operation, Other Liabilities Noncontrolling interests related to acquisition of Entertainment One Ltd. Noncontrolling Interest, Increase from Business Combination Current portion of long-term debt Long-term Debt, Current Maturities Products [Axis] Product and Service [Axis] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Entity Small Business Entity Small Business Restructuring Plan [Axis] Restructuring Plan [Axis] Preference stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Emerging Brands Class Of Principal Product Emerging Brands [Member] Revenues resulting from Emerging Brands product category. 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Completed and not released Film, Monetized in Film Group, Capitalized Cost, Completed and Not Released Gain (loss) on available for sale investments, fair value option Fair Value, Option, Changes in Fair Value, Gain (Loss) Interest Interest Paid, Excluding Capitalized Interest, Operating Activities Other Other Investment [Member] Other Investment Geographical [Domain] Geographical [Domain] 5.10% Notes Due 2044 Notes 5.10% Due 2044 [Member] Products [Domain] Product and Service [Domain] Noncontrolling Interests Noncontrolling Interest [Member] Product development Research and Development Expense Other Other Restructuring Plans [Member] Other Restructuring Plans Current Production Financing Loan, Current Production Financing Loan, Current Other Programming Other Programming [Abstract] Other Programming [Abstract] Debt stated interest rate Debt Instrument, Interest Rate, Stated Percentage Derivative Contract [Domain] Derivative Contract [Domain] 3.00% Notes Due 2024 Notes 3.00% Due 2024 [Member] Notes 300 Due 2024 [Member] Net earnings (loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Film and TV Programming Film, Monetized in Film Group, Capitalized Cost [Abstract] Revenue, remaining performance obligation, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Measurement Frequency [Axis] Measurement Frequency [Axis] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Short-term borrowings Short-term Debt Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Schedule of Information Related to Leases Lease, Cost [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Entity Tax Identification Number Entity Tax Identification Number Basic Earnings Per Share, Basic [Abstract] Other Assets Disposal Group, Including Discontinued Operation, Other Assets Geographical [Axis] Geographical [Axis] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Average shares outstanding, basic (in shares) Average shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in dollars per share) Net earnings per common share, diluted (in dollars per share) Earnings Per Share, Diluted Segments [Domain] Segments [Domain] Total liabilities Financial Liabilities Fair Value Disclosure Production Financing Loans Production Financing Loans [Table Text Block] Production Financing Loans [Table Text Block] Hasbro Gaming Class Of Principal Product Hasbro Gaming [Member] Revenues resulting from Hasbro Gaming product category. Hedging Relationship [Axis] Hedging Relationship [Axis] Net revenues Sales [Member] Artist relationships Artist Relationships [Member] Artist Relationships Subsequent Event Subsequent Events [Text Block] Non-current Production Financing Loan, Noncurrent Production Financing Loan, Noncurrent Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Total comprehensive earnings attributable to Hasbro, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Other intangible assets, net of accumulated amortization of $1,027.4 million, $885.8 million and $964.6 million Intangible Assets, Net (Excluding Goodwill) Total Contract with Customer, Liability 2.60% Notes Due 2022 Notes 2.60% Due 2022 [Member] Notes 260 Due 2022 [Member] Net cash (utilized) provided by financing activities Net Cash Provided by (Used in) Financing Activities Other comprehensive earnings: Other Comprehensive Income (Loss), Net of Tax [Abstract] Treasury stock, at cost; 82,359,425 shares at September 26, 2021; 83,256,622 shares at September 27, 2020; and 82,979,403 shares at December 27, 2020 Treasury Stock, Value Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Accounts payable Accounts Payable, Current Other Loans Other Loans Payable [Abstract] Participations and residuals Participations and Residuals, Current Participations and Residuals, Current Production financing and other Foreign Currency Forward Contract Production Financing And Other [Member] Payroll and management incentives Accrued Salaries, Current Fair Value Hierarchy Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Accumulated Other Comprehensive Loss AOCI Attributable to Parent AOCI Attributable to Parent [Member] Increase in inventories Increase (Decrease) in Inventories Royalties Accrued Royalties, Current Total other assets Other Assets Schedule of Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Total Contract with Customer, Asset, after Allowance for Credit Loss Restructuring Charges [Abstract] Restructuring Charges [Abstract] Derivative [Table] Derivative [Table] Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Cost of sales Cost of Goods and Services Sold Five-Year Term Loan Facility Five-Year Term Loan Facility [Member] Five-Year Term Loan Facility [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] U.S. Dollars and Canadian Dollars U.S. Dollars and Canadian Dollars [Member] U.S. Dollars and Canadian Dollars Carrying Amount of Currencies for Production Credit Facilities Carrying Amount Of Currencies For Production Credit Facilities [Table Text Block] Carrying Amount Of Currencies For Production Credit Facilities [Table Text Block] 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] Advertising Accrued Advertising, Current Income Statement Location [Domain] Income Statement Location [Domain] Term of loan facility Debt Instrument, Term Disposal Group, Held-for-sale, Not Discontinued Operations Disposal Group, Held-for-sale, Not Discontinued Operations [Member] Repayments of unsecured debt Repayments of Unsecured Debt Repayments Production Financing Loan and Other Loans, Repayments Production Financing Loan and Other Loans, Repayments Other Royalties and Other [Member] Income statement location of the defined expense hedged in the companies derivative activities. Property, plant and equipment, less accumulated depreciation of $607.6 million, $546.8 million and $553.0 million Property, Plant and Equipment, Net Other liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments Schedule of Long-term Debt Instruments [Table Text Block] Lender Name [Axis] Lender Name [Axis] Debt Instrument [Line Items] Debt Instrument [Line Items] Net earnings per common share: Earnings Per Share [Abstract] Earnings Per Share [Abstract] Derivatives Derivative Asset Accrued Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Program spend, net Program Production Costs, Net Of Tax, Rebates Received The amount recognized in the current period for cash outflows related to program production costs which are capitalized by the Company as they are incurred and amortized using the individual-film-forecast method, whereby these costs are amortized in the proportion that the current period's revenues bear to management's estimate of total ultimate revenues at of the beginning of such period related to the program. 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