Restructuring and Related Activities [Abstract] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] New World Fossil 1.0 New World Fossil [Member] New World Fossil [Member] New World Fossil 2.0 New World Fossil 2.0 [Member] New World Fossil 2.0 [Member] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Store closures Store Closure [Member] Store Closure [Member] Professional services Professional Services [Member] Professional Services [Member] Severance and employee-related benefits Employee Severance [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Balance at beginning of period Restructuring Reserve Charges Restructuring Charges Cash payments Payments for Restructuring Non-cash items Restructuring Reserve, Settled without Cash Balance at end of period Share-based Payment Arrangement [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Award Type [Domain] Restricted Stock and Restricted Stock Units Restricted Stock And Restricted Stock Units R S U [Member] Shares and stock units that an entity has not yet issued because the agreed-upon consideration, such as employee services, has not yet been received. Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Foreign Plan Foreign Plan [Member] Switzerland SWITZERLAND France FRANCE Employee Benefit Plans Defined Benefit Plan Disclosure [Line Items] Fair value of restricted stock and restricted stock units, vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Pension gain (expense) Pension and Other Postretirement Benefits Cost (Reversal of Cost) Employee benefit plan obligations included in other long-term liabilities Liability, Defined Benefit Pension Plan, Noncurrent Organization, Consolidation and Presentation of Financial Statements [Abstract] Consolidated Financial Statements Consolidation, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Concentration of Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Cash Equivalents Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Accounts Receivable Receivable [Policy Text Block] Inventories Inventory, Policy [Policy Text Block] Investments Investment, Policy [Policy Text Block] Lease Lessee, Leases [Policy Text Block] Property, Plant and Equipment, Other, and Property Held For Sale Property, Plant and Equipment, Policy [Policy Text Block] Goodwill and Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Accrued Expenses Accrued Expenses and Other Policy [Policy Text Block] Disclosure of accounting policy for other accrued expenses. Other Long-Term Liabilities Other Long Term Liabilities [Policy Text Block] Disclosure of accounting policy for other long-term liabilities. Cumulative Translation Adjustment and Foreign Transaction Gains and Losses Foreign Currency Transactions and Translations Policy [Policy Text Block] Revenues Revenue from Contract with Customer [Policy Text Block] Cost of Sales Cost Of Goods And Services Sold, Policy [Policy Text Block] Cost Of Goods And Services Sold, Policy [Policy Text Block] Operating Expenses Selling, General and Administrative Expenses, Policy [Policy Text Block] Advertising Costs Advertising Cost [Policy Text Block] Warranty Costs Standard Product Warranty, Policy [Policy Text Block] Research and Development Costs Research and Development Expense, Policy [Policy Text Block] Noncontrolling Interest Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Other Comprehensive Income (Loss) Comprehensive Income, Policy [Policy Text Block] Earnings (Loss) Per Share (EPS) Earnings Per Share, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Recently Issued Accounting Standards and Recently Adopted Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Leases [Abstract] Components of leases Lease, Cost [Table Text Block] Maturity of lease liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Maturity of lease liabilities Finance Lease, Liability, Maturity [Table Text Block] Future minimum lease payments Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] Future minimum leases payments Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Supplemental Cash Flow Information Lease Supplemental Cash Flow Information [Table Text Block] Lease Supplemental Cash Flow Information [Table Text Block] Supplemental Cash Flow Elements [Abstract] Summary of supplemental cash flow information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Stockholders' Equity Note [Abstract] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares outstanding (in shares) Common Stock, Shares, Issued Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Commitments and Contingencies Disclosure [Abstract] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Beginning asset retirement obligation Asset Retirement Obligation Liabilities incurred during the period Asset Retirement Obligation, Liabilities Incurred Liabilities settled during the period Asset Retirement Obligation, Liabilities Settled Accretion expense Asset Retirement Obligation, Accretion Expense Currency translation Asset Retirement Obligation, Foreign Currency Translation Gain (Loss) Ending asset retirement obligations Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Selling, general and administrative Selling, General and Administrative Expenses [Member] Restructuring charges Restructuring Charges [Member] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Buildings Building [Member] Machinery and equipment Machinery and Equipment [Member] Furniture and fixtures Furniture and Fixtures [Member] Computer equipment and software Computer Equipment [Member] Retail stores Retail Site [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Property, plant and equipment Property, Plant and Equipment [Line Items] Useful life Property, Plant and Equipment, Useful Life Impairment losses Tangible Asset Impairment Charges Loss on disposal of assets Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Property, Plant and Equipment [Abstract] Land Land [Member] Leasehold improvements Leasehold Improvements [Member] Construction in progress Construction in Progress [Member] Property, plant and equipment - gross Property, Plant and Equipment, Gross Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment-net Property, Plant and Equipment, Net Other Income and Expenses [Abstract] Other Income (Expense)—Net Other Income and Other Expense Disclosure [Text Block] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Operating lease, renewal term Lessee, Operating Lease, Renewal Term Statement of Financial Position [Abstract] Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable-net Accounts Receivable, after Allowance for Credit Loss, Current Inventories Inventory, Net Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property, plant and equipment-net Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Intangible and other assets-net Intangible Assets and Other Assets, Noncurrent Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Also includes the aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet due to materiality considerations. Noncurrent assets are expected to be realized or consumed after one year. Total long-term assets Assets, Noncurrent Total assets Assets Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Short-term and current portion of long-term debt Debt, Current Accrued expenses: Accrued Liabilities, Current [Abstract] Current operating lease liabilities Operating Lease, Liability, Current Compensation Employee-related Liabilities, Current Royalties Accrued Royalties, Current Customer liabilities Contract with Customer, Liability, Current Transaction taxes Accrual for Taxes Other than Income Taxes, Current Other Other Accrued Liabilities, Current Income taxes payable Accrued Income Taxes, Current Total current liabilities Liabilities, Current Long-term income taxes payable Accrued Income Taxes, Noncurrent Deferred income tax liabilities Deferred Income Tax Liabilities, Net Long-term debt Long-term Debt and Lease Obligation Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total long-term liabilities Liabilities, Noncurrent Commitments and contingencies (Note 14) Commitments and Contingencies Stockholders' equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Common stock, 50,516 and 49,518 shares issued and outstanding at December 28, 2019 and December 29, 2018, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Total Fossil Group, Inc. stockholders' equity Stockholders' Equity Attributable to Parent Noncontrolling interest 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 Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Derivative [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Forward contracts Foreign Exchange Forward [Member] Cost of Sales Cost of Sales [Member] Other Operating Income (Expense) Other Operating Income (Expense) [Member] Derivative [Line Items] Derivative [Line Items] Cost of Sales Cost of Goods and Services Sold Other Income (Expense)-net Other Nonoperating Income (Expense) Total gain (loss) reclassified from other comprehensive income (loss) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Gain expected to be reclassified into earnings within the next twelve months Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months Prepaid Expense and Other Assets, Current [Abstract] Prepaid Expenses and Other Current Assets Prepaid Expenses and Other Current Assets [Text Block] The entire disclosure representing the prepaid expenses and other current assets. Revenue from Contract with Customer [Abstract] Revenue Revenue from Contract with Customer [Text Block] Debt Disclosure [Abstract] Schedule of Debt Instruments [Table] Schedule of Debt Instruments [Table] A table or schedule providing information pertaining to short-term and long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Debt Covenant Period [Axis] Debt Covenant Period [Axis] Debt Covenant Period [Axis] Debt Covenant Period [Domain] Debt Covenant Period [Domain] [Domain] for Debt Covenant Period [Axis] Debt Covenant Period One Debt Covenant Period One [Member] Debt Covenant Period One [Member] Debt Covenant Period Two Debt Covenant Period Two [Member] Debt Covenant Period Two [Member] Debt Covenant Period Three Debt Covenant Period Three [Member] Debt Covenant Period Three [Member] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Lower Of Cost Or Market Value Lower Of Cost Or Market Value [Member] Lower Of Cost Or Market Value [Member] Net Liquidation Value Net Liquidation Value [Member] Net Liquidation Value [Member] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] United States Finished Goods Inventory United States Finished Goods Inventory [Member] United States Finished Goods Inventory [Member] Foreign Finished Goods Inventory Foreign Finished Goods Inventory [Member] Foreign Finished Goods Inventory [Member] Foreign Accounts Receivable Foreign Accounts Receivable [Member] Foreign Accounts Receivable [Member] United States Accounts Receivable United States Accounts Receivable [Member] United States Accounts Receivable [Member] United States Credit Card Accounts Receivable United States Credit Card Accounts Receivable [Member] United States Credit Card Accounts Receivable [Member] French Accounts Receivable French Accounts Receivable [Member] French Accounts Receivable [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Notes Payable to Banks Notes Payable to Banks [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Revolving Facility Revolving Credit Facility [Member] U.S. term loan Loans Payable [Member] Second A&R Credit Agreement Second A&R Credit Agreement [Member] Second A&R Credit Agreement [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] U.S. Credit Facility US Credit Facility [Member] US Credit Facility [Member] European Credit Facility European Credit Facility [Member] European Credit Facility [Member] Canadian Credit Facility Canadian Credit Facility [Member] Canadian Credit Facility [Member] Letter of Credit Letter of Credit [Member] Term Loan Facility Term Loan Facility [Member] Term Loan Facility [Member] Hong Kong Credit Facility Hong Kong Credit Facility [Member] Hong Kong Credit Facility [Member] French Credit Facility French Credit Facility [Member] French Credit Facility [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] LIBO, CDOR, HIBOR LIBO, CDOR, HIBOR [Member] LIBO, CDOR, HIBOR [Member] LIBOR London Interbank Offered Rate (LIBOR) [Member] Alternate Base Rate and Canadian Prime Rate Alternate Base Rate And Canadian Prime Rate [Member] Alternate Base Rate And Canadian Prime Rate [Member] Alternate Base Rate Alternate Base Rate [Member] Alternate Base Rate [Member] Debt Instrument Debt Instrument [Line Items] Aggregate outstanding principal amount Long-term Debt Debt issuance costs Debt Issuance Costs, Net Maximum borrowing amount Line of Credit Facility, Maximum Amount Outstanding During Period Aggregate principal amount available Line of Credit Facility, Maximum Borrowing Capacity Subfacility for letters of credit Long-term Line of Credit Subfacility for swingline loans Line of Credit, Current Remaining borrowing capacity as a percentage of accounts receivable Line Of Credit Facility, Components Of Borrowing Base, Percentage Of Assets Line Of Credit Facility, Components Of Borrowing Base, Percentage Of Assets Basis spread on base rate (as a percent) Debt Instrument, Basis Spread on Variable Rate Line of credit facility, commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Line of credit facility, issuance fee percentage Line of Credit Facility, Issuance Fee Percentage Line of Credit Facility, Issuance Fee Percentage Line of credit facility, annual authorized prepayment amount Line Of Credit Facility, Annual Authorized Prepayment Amount Line Of Credit Facility, Annual Authorized Prepayment Amount Increments in excess of minimum principal amount Debt Instrument Increments in Excess of Minimum Principal Amount Represents the incremental principal payments in excess of the minimum principal amount. Debt instrument covenant, fixed charge coverage ratio Debt Instrument Covenant, Fixed Charge Coverage Ratio Debt Instrument Covenant, Fixed Charge Coverage Ratio Line of credit facility, increase in maximum borrowing capacity Line of Credit Facility, Increase in Maximum Borrowing Capacity Line of Credit Facility, Increase in Maximum Borrowing Capacity Line of credit facility, increase in maximum borrowing capacity minimum increment Line of Credit Facility, Increase in Maximum Borrowing Capacity, Minimum Increment Line of Credit Facility, Increase in Maximum Borrowing Capacity, Minimum Increment Original issue discount Debt Instrument, Unamortized Discount Amortization of original principal amount percentage Debt Instrument, Amortization, Percentage Of Original Principal Amount Debt Instrument, Amortization, Percentage Of Original Principal Amount Prepayment fee percentage Line of Credit Facility, Prepayment Fee Percentage Line of Credit Facility, Prepayment Fee Percentage Ratio of indebtedness to net capital Ratio of Indebtedness to Net Capital Line of Credit Facility, Current Borrowing Capacity Line of Credit Facility, Current Borrowing Capacity Net borrowings under Term Loan Proceeds from (Repayments of) Debt Net payments Proceeds from (Repayments of) Lines of Credit Remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Interest expense incurred Interest Expense, Long-term Debt Debt discount and debt issuance costs amortization Amortization of Debt Issuance Costs and Discounts Debt instrument, face amount Debt Instrument, Face Amount Debt instrument, interest rate, effective percentage Debt Instrument, Interest Rate, Effective Percentage Short-term debt Short-term Debt Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating segments Operating Segments [Member] Corporate Corporate, Non-Segment [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Americas Americas Segment [Member] Segment on the continents of North and South America. Europe Europe Segment [Member] Segment in the region of Europe. Asia Asia Segment [Member] Segment in the region of Asia. Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Watches Watches [Member] Information related to the watches product line. Leathers Leathers [Member] Information related to the leathers product line. Jewelry Jewelry [Member] Information related to the jewelry product line. Other Products Other [Member] Information related to other product lines. Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Revenue recognized at a point in time Transferred at Point in Time [Member] Revenue recognized over time Transferred over Time [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Net sales Revenue from Contract with Customer, Excluding Assessed Tax Weighted-average remaining lease term, Operating leases Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term, Finance leases Finance Lease, Weighted Average Remaining Lease Term Weighted-average discount rate, Operating leases Operating Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate, Finance leases Finance Lease, Weighted Average Discount Rate, Percent Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Inventory Disclosure [Abstract] Schedule of inventories Schedule of Inventory, Current [Table Text Block] Income Tax Disclosure [Abstract] Schedule of Income Tax [Table] Schedule of Income Tax [Table] Schedule of information pertaining to income taxes. Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Foreign income tax Foreign Tax Authority [Member] State income tax State and Local Jurisdiction [Member] U.S. income tax Domestic Tax Authority [Member] Income tax contingency Income Tax [Line Items] Deferred tax assets, loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Deferred income tax expense (benefit) Deferred Income Tax Expense (Benefit) Effective tax rate Effective Income Tax Rate Reconciliation, Percent Increase (decrease) in deferred tax asset valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Income tax effects allocated directly to equity Income Tax Effects Allocated Directly to Equity Valuation allowance Deferred Tax Assets, Valuation Allowance Undistributed earnings of certain foreign subsidiaries Undistributed Earnings of Foreign Subsidiaries Tax Cuts And Jobs Act Of 2017, existing undistributed accumulated earnings of foreign subsidiary Tax Cuts and Jobs Act, Incomplete Accounting, Existing Undistributed Accumulated Earnings of Foreign Subsidiary Unrecognized tax benefits that would favorably impact the effective tax rate in future periods if recognized Unrecognized Tax Benefits that Would Impact Effective Tax Rate Unrecognized tax benefits excluding interest and penalties Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Accrued income tax-related interest Unrecognized Tax Benefits, Interest on Income Taxes Accrued Penalties accrued Unrecognized Tax Benefits, Income Tax Penalties Accrued Accrued interest (benefit) expense Unrecognized Tax Benefits, Interest on Income Taxes Expense New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Amount reclassified from AOCI Reclassification out of Accumulated Other Comprehensive Income [Member] Forward contracts Forward Contracts [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Retained Earnings Retained Earnings [Member] Cash flow hedges Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-02 Accounting Standards Update 2016-02 [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Lease impairment loss Operating Lease, Impairment Loss Operating lease liability Operating Lease, Liability Purchase of noncontrolling interest shares Cumulative Effect of New Accounting Principle in Period of Adoption Cost of sales Assets [Abstract] Operating lease right-of-use assets Property, plant and equipment - net of accumulated depreciation of $4,015 Finance Lease, Right-of-Use Asset Accumulated depreciation Finance Lease, Right-Of-Use Asset, Accumulated Amortization Finance Lease, Right-Of-Use Asset, Accumulated Amortization Current: Current operating lease liabilities Short-term and current portion of long-term debt Finance Lease, Liability, Current Noncurrent: Liabilities, Noncurrent [Abstract] Long-term operating lease liabilities Long-term debt Finance Lease, Liability, Noncurrent Fair Value Disclosures [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Level 3 Fair Value, Inputs, Level 3 [Member] Measurement Input Type [Axis] Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input Type [Domain] Measurement Input, Discount Rate Measurement Input, Discount Rate [Member] Specific company-owned stores Specific Company Owned Stores Net [Member] The specific company-owned stores-net class of assets measured and disclosed at fair value. Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Trade Names, SKAGEN Trade Names SKAGEN [Member] Trade Names SKAGEN [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] Operating lease right-of-use asset Operating Lease, Right-Of-Use Asset, Fair Value Disclosure Operating Lease, Right-Of-Use Asset, Fair Value Disclosure Property plant and equipment, fair value Property, Plant, and Equipment, Fair Value Disclosure Impairment charge Asset Impairment Charges Key money amount not recoverable Key Money Amount Deemed Not Recoverable Key money amount deemed not recoverable and included in impairment charge. Indefinite-lived intangible assets (excluding goodwill) Indefinite-lived Intangible Assets (Excluding Goodwill) Indefinite-lived intangible assets (excluding goodwill), fair value disclosure Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure Impairment charges Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Contingent consideration liability measurement input Business Combination, Contingent Consideration, Liability, Measurement Input Contingent consideration Business Combination, Contingent Consideration, Liability Present Value of Remaining Purchase Price Present Value of Remaining Purchase Price Present Value of Remaining Purchase Price Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Schedule of changes in components of accumulated other comprehensive income (loss), net of taxes Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of the fair value hierarchy of assets and liabilities measured at fair value on a recurring basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Unrecognized compensation cost related to nonvested share-based compensation arrangements Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Weighted-average period over which unrecognized compensation cost is expected to be recognized Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Consigned inventory Inventory Materials Supplies and Merchandise under Consignment Net of Reserves Represents the carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of inventory owned by the entity but in the hands of a customer, typically a reseller. Goodwill and Intangible Assets Disclosure [Abstract] 2020 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2024 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Operating Leases Lessee, Operating Lease, Liability, Payment, Due [Abstract] 2020 Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months 2021 Lessee, Operating Lease, Liability, Payments, Due Year Two 2022 Lessee, Operating Lease, Liability, Payments, Due Year Three 2023 Lessee, Operating Lease, Liability, Payments, Due Year Four 2024 Lessee, Operating Lease, Liability, Payments, Due Year Five Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total lease payments Lessee, Operating Lease, Liability, Payments, Due Less: Interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Total lease obligations Finance Leases Finance Lease, Liability, Payment, Due [Abstract] 2020 Finance Lease, Liability, Payments, Due Next Twelve Months 2021 Finance Lease, Liability, Payments, Due Year Two 2022 Finance Lease, Liability, Payments, Due Year Three 2023 Finance Lease, Liability, Payments, Due Year Four 2024 Finance Lease, Liability, Payments, Due Year Five Thereafter Finance Lease, Liability, Payments, Due after Year Five Total lease payments Finance Lease, Liability, Payment, Due Less: Interest Finance Lease, Liability, Undiscounted Excess Amount Total lease obligations Finance Lease, Liability Fair Value Measurements Fair Value Disclosures [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] Performance Shares Performance Shares [Member] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock Compensation Plan Share-based Payment Arrangement [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Numerator: Net Income (Loss) Attributable to Parent [Abstract] Net income (loss) attributable to Fossil Group, Inc. Net Income (Loss) Available to Common Stockholders, Basic Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Basic weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Basic EPS (in dollars per share) Earnings Per Share, Basic Diluted EPS computation: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Diluted weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted EPS (in dollars per share) Earnings Per Share, Diluted Shares issuable under stock-based awards not included in the diluted EPS calculation (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of outstanding forward contracts Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Schedule of effective portion of gains and losses on derivative instruments recognized in other comprehensive income (loss), net of taxes Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] Schedule of effective portion of gains and losses on derivative instruments designated and qualifying as cash flow hedges recorded in other comprehensive income (loss), net of taxes during the term of the hedging relationship and reclassified into earnings and gains and losses on derivatives not designated as hedging instruments recorded Derivative Instruments, Gain (Loss) [Table Text Block] Schedule of fair value amounts for derivative instruments as separate asset and liability values on a gross basis and their location on condensed consolidated balance sheets Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Present value of remaining purchase price Payment for noncontrolling interest Payments to Acquire Additional Interest in Subsidiaries Variable consideration in accrued expense-other Noncontrolling Interest, Purchase of Interests, Current Amount Noncontrolling Interest, Purchase of Interests, Current Amount Variable consideration in other long-term liabilities Noncontrolling Interest, Purchase of Interests, Non-Current Amount Noncontrolling Interest, Purchase of Interests, Non-Current Amount SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] SCHEDULE II VALUATIONS AND QUALIFYING ACCOUNTS SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Derivatives and Risk Management Derivative Instruments and Hedging Activities Disclosure [Text Block] Cash paid during the year for: Cash Paid During the Year [Abstract] Interest Interest Paid, Excluding Capitalized Interest, Operating Activities Income taxes, net of refunds Income Taxes Paid, Net Supplemental disclosures of non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Additions to property, plant and equipment included in accounts payable Capital Expenditures Incurred but Not yet Paid Additions to property, plant and equipment acquired under finance leases Noncash or Part Noncash Acquisition, Fixed Assets Acquired U.S Income (Loss) from Continuing Operations before Income Taxes, Domestic Non-U.S Income (Loss) from Continuing Operations before Income Taxes, Foreign Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Charges Schedule of prepaid expenses and other current assets Schedule of Prepaid Expenses and Other Current Assets [Table Text Block] Represent the Schedule Of Prepaid Expenses And Other Current Assets. Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Other international U.S. revolving line of credit Debt Instrument [Line Items] US term loan Debt, Long-term and Short-term, Combined Amount Other international Total debt Less current portion Long-term Debt, Current Maturities Long-term debt Long-term Debt, Excluding Current Maturities Summary of stock options and stock appreciation rights activity Share-based Payment Arrangement, Option and Stock Appreciation Rights, Activity [Table Text Block] Summary of stock options and stock appreciation rights outstanding and exercisable Share-based Payment Arrangement, Activity [Table Text Block] Summary of restricted stock and restricted stock unit activity Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedges Cash Flow Hedging [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as cash flow hedges Designated as Hedging Instrument [Member] Forward contracts Currency [Axis] Currency [Axis] All Currencies [Domain] All Currencies [Domain] Euro Euro Member Countries, Euro Canadian dollar Canada, Dollars British pound United Kingdom, Pounds Japanese yen Japan, Yen Mexican peso Mexico, Pesos Australian dollar Australia, Dollars U.S. dollar United States of America, Dollars Maximum period of future intercompany purchases Maximum Length of Time, Foreign Currency Cash Flow Hedge Percentage of forecasted purchases to manage fluctuations in global currencies (up to) Cash Flow Hedge Coverage Percentage Maximum percentage of cash flow hedge coverage as defined by policy. Cash flow hedge gain (loss) reclassified into earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Derivative instrument, gain (loss) reclassified from accumulated other comprehensive income (loss) Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Notional amount Derivative, Notional Amount Cash paid for amounts included in the measurement of lease liabilities: Cash Flow, Operating Activities, Lessee [Abstract] Operating cash flows from operating leases Operating Lease, Payments Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Financing cash flows from finance leases Finance Lease, Principal Payments Leased assets obtained in exchange for new finance lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Leased assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Tax Period [Axis] Tax Period [Axis] Tax Period [Domain] Tax Period [Domain] Expires 2020 through 2024 Expiration Period One [Member] Expiration Period One [Member] Expires 2025 through 2029 Expiration Period Two [Member] Expiration Period Two [Member] Expires 2030 through 2034 Expiration Period Three [Member] Expiration Period Three [Member] Expires 2035 through 2039 Expiration Period Four [Member] Expiration Period Four [Member] Indefinite Indefinite Tax Year [Member] Indefinite Tax Year Operating loss carryforwards Operating Loss Carryforwards [Line Items] Total loss carryforwards Operating Loss Carryforwards Current provision: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] U.S. federal Current Federal Tax Expense (Benefit) Non-U.S Current Foreign Tax Expense (Benefit) State and local Current State and Local Tax Expense (Benefit) Total current Current Income Tax Expense (Benefit) Deferred provision (benefit): Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] U.S. federal Deferred Federal Income Tax Expense (Benefit) Non-U.S Deferred Foreign Income Tax Expense (Benefit) State and local Deferred State and Local Income Tax Expense (Benefit) Total deferred Provision for income taxes Income Tax Expense (Benefit) Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Minimum Royalty Commitments Other Commitment, Fiscal Year Maturity [Abstract] 2020 Other Commitment, Due in Next Twelve Months 2021 Other Commitment, Due in Second Year 2022 Other Commitment, Due in Third Year 2023 Other Commitment, Due in Fourth Year 2024 Other Commitment, Due in Fifth Year Thereafter Other Commitment, Due after Fifth Year Total Other Commitment Schedule of rollforward of the liability incurred for restructuring plan Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Schedule of restructuring charges by operating segment Restructuring and Related Costs [Table Text Block] Less than 1 Year Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months Year 2 Long-term Debt, Maturities, Repayments of Principal in Year Two Year 3 Long-term Debt, Maturities, Repayments of Principal in Year Three Year 4 Long-term Debt, Maturities, Repayments of Principal in Year Four Year 5 Long-term Debt, Maturities, Repayments of Principal in Year Five Principal amounts repayable Long-term Debt, Gross Debt issuance costs Original issue discount Significant components of the consolidated deferred tax assets and liabilities Components of Deferred Tax Assets and Liabilities [Abstract] Deferred income tax assets: Deferred Tax Assets, Net of Valuation Allowance, Classification [Abstract] Bad debt allowance Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts Returns allowance Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Returns and Allowances Inventory Deferred Tax Assets, Inventory Warranty liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Warranty Reserves Markdown allowance Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Markdown Allowance Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Markdown Allowance Compensation Deferred Tax Assets, Compensation Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation expected Accrued liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Deferred rent Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent Deferred income Deferred Tax Assets, Deferred Income Unrealized exchange gains (losses) Deferred Tax Assets, Unrealized Currency Losses State income tax and interest on tax contingencies Deferred Tax Assets, State Income Tax and Interest on Tax Contingencies Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from state taxes and interest on tax contingencies expected to be realized or consumed after one year (or the normal operating cycle, if longer). Fixed assets Deferred Tax Assets, Property, Plant and Equipment Fixed assets Deferred Tax Liabilities, Property, Plant and Equipment Trade names and customer lists Deferred Tax Asset, Intangible Assets Deferred Tax Asset, Intangible Assets Goodwill Deferred Tax Asset, Goodwill Deferred Tax Asset, Goodwill Foreign accruals Deferred Tax Assets, Tax Credit Carryforwards, Foreign Loss carryforwards Tax credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards Capitalized R&D Deferred Tax Assets, in Process Research and Development Interest disallowance Deferred Tax Assets, Tax Deferred Expense, Interest Disallowed Deferred Tax Assets, Tax Deferred Expense, Interest Disallowed Lease liabilities Deferred Tax Assets, Lease Liabilities Deferred Tax Assets, Lease Liabilities Deferred income tax assets total Deferred Tax Assets, Gross Deferred income tax liabilities: Deferred Tax Liabilities, Net, Classification [Abstract] Tenant allowance Deferred Tax Liabilities, Tenant Allowance Deferred Tax Liabilities, Tenant Allowance Other intangibles Deferred Tax Liabilities, Intangible Assets Undistributed earnings of certain foreign subsidiaries Deferred Tax Liabilities, Undistributed Foreign Earnings Right-of-use assets Deferred Tax Liabilities, Leasing Arrangements Deferred Tax Liabilities, Other Deferred Tax Liabilities, Other Deferred income tax liabilities total Deferred Tax Liabilities, Gross Valuation allowance Net deferred income tax assets Deferred Tax Assets, Net Net deferred income tax assets Deferred Income Tax Assets, Net Net deferred income tax liabilities Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Statement of Cash Flows [Abstract] Operating Activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation, amortization and accretion Depreciation, Amortization and Accretion, Net Non-cash lease expense Non-Cash Lease Expense Non-Cash Lease Expense Stock-based compensation Share-based Payment Arrangement, Noncash Expense Decrease (increase) in allowance for returns and markdowns Allowance For Returns And Markdowns Income (Expense) Allowance For Returns And Markdowns Income (Expense) (Gain) loss on disposal of assets Gain (Loss) on Disposition of Property Plant Equipment Property, plant and equipment and other long-lived asset impairment losses Impairment of Long-Lived Assets Held-for-use Goodwill and trade name impairment losses Goodwill and Intangible Asset Impairment Non-cash restructuring charges Restructuring Charges, Noncash Restructuring Charges, Noncash Equity method investment losses Income (Loss) from Equity Method Investments Bad debt expense Accounts Receivable, Credit Loss Expense (Reversal) Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Deferred income taxes and other Increase (Decrease) in Deferred Income Taxes Gain on asset divestitures Gain (Loss) on Disposition of Assets Contingent consideration remeasurement Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued expenses Increase (Decrease) in Accrued Liabilities Income taxes Increase (Decrease) in Income Taxes Payable Net cash (used in) provided by operating activities Net Cash Provided by (Used in) Operating Activities Investing Activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Additions to property, plant and equipment Payments to Acquire Property, Plant, and Equipment (Increase) decrease in intangible and other assets Payments To (Proceeds From) Acquire Intangible And Other Assets Payments To (Proceeds From) Acquire Intangible And Other Assets Proceeds from the sale of property, plant, equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from asset divestitures Proceeds from Divestiture of Businesses Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Financing Activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Acquisition of common stock Payments for Repurchase of Common Stock Distribution of noncontrolling interest earnings and other Payments of Ordinary Dividends, Noncontrolling Interest Payment for shares Payments to Noncontrolling Interests Debt borrowings Proceeds from Notes Payable Debt payments Repayments of Notes Payable Payment for shares of Fossil Accessories South Africa Pty. Ltd. Debt issuance costs and other Proceeds from (Payments for) Other Financing Activities Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents, and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Net (decrease) increase in cash and cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash and cash equivalents, and restricted cash: Cash and Cash Equivalents, at Carrying Value [Abstract] Beginning of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents End of year Income Statement [Abstract] Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Selling, general and administrative expenses Selling, General and Administrative Expense Goodwill and trade name impairments Restructuring charges Total operating expenses Operating Expenses Operating income (loss) Operating Income (Loss) Interest expense Interest Expense Other income (expense) - net Provision for income taxes Net income (loss) Less: Net income attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Net income (loss) attributable to Fossil Group, Inc. Other comprehensive income (loss), net of taxes: Other Comprehensive Income (Loss), Net of Tax [Abstract] Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Cash flow hedges - net change Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Pension plan activity Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Less: Comprehensive income attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income (loss) attributable to Fossil Group, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Earnings (loss) per share: Earnings Per Share [Abstract] Basic (in dollars per share) Diluted (in dollars per share) Weighted average common shares outstanding: Basic (in shares) Diluted (in shares) Interest rate swaps Interest Rate Swap [Member] Total gain (loss) recognized in other comprehensive income (loss), net of taxes Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Schedule of intangible and other assets-net Schedule of Intangible and Other Assets [Table Text Block] Schedule of Intangible and Other Assets. Schedule of estimated aggregate future amortization expense by fiscal year for intangible assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Components and parts Inventory, Raw Materials and Purchased Parts, Net of Reserves Work-in-process Inventory, Work in Process, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Inventories Interest income Interest Income, Operating Contingent consideration remeasurement Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain (Loss), Net Gain on interest rate swap Gain (Loss) on Sale of Derivatives Equity in losses of unconsolidated investment Extinguishment of debt Extinguishment of Debt, Amount Gain on asset divestitures Net currency (losses) gains Foreign Currency Transaction Gain (Loss), before Tax Other net gains Other Nonoperating Gains (Losses) Other income (expense) - net Employee Benefit Plans Defined Contribution Plans and Share-based Payments Disclosure [Text Block] The entire disclosure for defined contribution plans and compensation-related costs for equity-based compensation. Product Warranties Disclosures [Abstract] Schedule of warranty liability activity Schedule of Product Warranty Liability [Table Text Block] Concentration Risk [Table] Concentration Risk [Table] Licensed products Licensed Products [Member] Licensed Products [Member] MICHAEL KORS Michael Kors Licensed Product [Member] Represents information pertaining to the MICHAEL KORS product. ARMANI ARMANI [Member] ARMANI [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Production Production [Member] Aggregate production during the period from the specified number of factories in the normal course of business. Sales of licensed products Revenue, Product and Service Benchmark [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Production concentration Production Concentration Risk [Member] Reflects the percentage of assembly and production from specified products are to a specified benchmark. Licensed products Product Concentration Risk [Member] Concentration of Risk Concentration Risk [Line Items] Concentration risk percentage Concentration Risk, Percentage Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Measurement Input, Royalty Rate Measurement Input, Royalty Rate [Member] Measurement Input, Royalty Rate [Member] Trade Names, MISFIT Trade Names MISFIT [Member] Trade Names MISFIT [Member] Trade Name, MICHELE Trade Name MICHELE [Member] Trade Name MICHELE [Member] Finite lived intangible assets Acquired Finite-Lived Intangible Assets [Line Items] Useful Lives Finite-Lived Intangible Asset, Useful Life Indefinite lived intangible assets (excluding goodwill), measurement input Indefinite-Lived Intangible Asset (Excluding Goodwill), Measurement Input Indefinite-Lived Intangible Asset (Excluding Goodwill), Measurement Input Goodwill, impairment loss Goodwill, Impairment Loss Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Business Combination, Separately Recognized Transactions [Axis] Business Combination, Separately Recognized Transactions [Axis] Business Combination, Separately Recognized Transactions [Domain] Business Combination, Separately Recognized Transactions [Domain] Google, Inc. Google Inc [Member] Google Inc [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Trade name Trade Names [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Finite intangible assets Finite-Lived Intangible Assets, Gross Useful lives Amortization expense for intangible assets Amortization of Intangible Assets Proceeds from sale of intangible asset Proceeds from Sale of Intangible Assets Reduction in intangible asset Reductions in Other Assets, Amount Gain on sale of intangible asset Gain (Loss) on Disposition of Intangible Assets Supplemental Disclosure for Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Not designated as hedging instruments Not Designated as Hedging Instrument [Member] Fair value of designated forward contracts Derivative, Fair Value, Net Hedged amount Derivative, Amount of Hedged Item Operating Leases Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2019 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2020 Operating Leases, Future Minimum Payments, Due in Two Years 2021 Operating Leases, Future Minimum Payments, Due in Three Years 2022 Operating Leases, Future Minimum Payments, Due in Four Years 2023 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total lease payments Operating Leases, Future Minimum Payments Due Finance Leases Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2019 Capital Leases, Future Minimum Payments Due, Next Twelve Months 2020 Capital Leases, Future Minimum Payments Due in Two Years 2021 Capital Leases, Future Minimum Payments Due in Three Years 2022 Capital Leases, Future Minimum Payments Due in Four Years 2023 Capital Leases, Future Minimum Payments Due in Five Years Thereafter Capital Leases, Future Minimum Payments Due Thereafter Total lease payments Capital Leases, Future Minimum Payments Due Less: Interest Capital Leases, Future Minimum Payments, Interest Included in Payments Finance lease obligations Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Schedule of other income (expense)—net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Reconciliation of numerators and denominators used in the computations of both basic and diluted EPS Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of cash, cash equivalents, and restricted cash balances Schedule of Cash and Cash Equivalents [Table Text Block] Schedule of cash, cash equivalents, and restricted cash balances Restrictions on Cash and Cash Equivalents [Table Text Block] Foreign currency transaction gains (losses) Advertising costs Advertising Expense Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Accounting Standards Update 2014-09 Accounting Standards Update 2014-09 [Member] Accounting Standards Update 2018-02 Accounting Standards Update 2018-02 [Member] Stockholders' Equity Attributable to Fossil Group, Inc. Parent [Member] Common Stock Common Stock [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Treasury Stock Treasury Stock [Member] Retained Earnings Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Noncontrolling Interest Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Shareholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance at beginning of period (in shares) Balance at beginning of period Common stock issued upon exercise of stock options, stock appreciation rights and restricted stock units (in shares) Shares Issued, Shares, Share-based Payment Arrangement, before Forfeiture Common stock issued upon exercise of stock options and stock appreciation rights Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture Acquisition of common stock Stock Repurchased During Period, Value Retirement of common stock (in shares) Treasury Stock, Shares, Retired Retirement of common stock Treasury Stock, Retired, Cost Method, Amount Stock-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Other comprehensive income (loss) Purchase of noncontrolling interest shares Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Distribution of noncontrolling interest earnings and other Adoption of Accounting Standards Update (ASU) Balance at end of period (in shares) Balance at end of period Other Commitments [Table] Other Commitments [Table] Other Commitments [Line Items] Other Commitments [Line Items] Royalty expense Royalty Expense Percentage of royalties Percentage of Royalty Expense Represents the minimum percentage of royalties based on defined net sales. Purchase obligations Unrecorded Unconditional Purchase Obligation Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Cost of sales Other income (expense)-net Other Nonoperating Income (Expense) [Member] Interest expense Interest Expense [Member] Effective portion of gains and losses on derivative instruments Derivative Instruments, Gain (Loss) [Line Items] Derivative instruments designated as cash flow hedging instruments, Total gain (loss) reclassified from accumulated other comprehensive income (loss) Derivative instruments not designated as hedging instruments, Total gain (loss) recognized in income Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Derivative instruments not designated as hedging instruments, Total gain (loss) reclassified from accumulated other comprehensive income (loss) Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Assets: Forward contracts Foreign Currency Contract, Asset, Fair Value Disclosure Investment in publicly traded mutual funds Defined Benefit Plan, Plan Assets, Amount Total Assets, Fair Value Disclosure Liabilities: Liabilities [Abstract] Forward contracts Foreign Currency Contracts, Liability, Fair Value Disclosure Total Financial and Nonfinancial Liabilities, Fair Value Disclosure Segment Reporting [Abstract] Summary information by operating segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of revenue for each class of similar products Revenue from External Customers by Products and Services [Table Text Block] Schedule of net sales and long-lived assets by geographic area Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Net sales for each class of similar products Segment Reporting Information [Line Items] Percentage of Total Percentage of Product Revenue to Total Sales Revenue Percentage Of Product Revenue To Total Sales Revenue. Intangible and Other Assets Intangible and Other Assets Disclosure [Text Block] The entire disclosure for intangibles and other assets. Major Customer, Segment and Geographic Information Segment Reporting Disclosure [Text Block] Summary information by operating segment Net Sales Operating Income (Loss) Depreciation and Amortization Depreciation, Depletion and Amortization, Nonproduction Long-term Assets Total Assets Inventories Inventory Disclosure [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Range of Exercise Prices Price [Axis] Information by range of exercise prices. Price [Domain] Price [Domain] Identification of range of exercise prices. $29.49 - $47.99 Range Two Of Exercise Prices [Member] Represents the exercise price range two of the outstanding stock options. $55.04 - $83.83 Range Three Of Exercise Prices [Member] Represents the exercise price range three of the outstanding stock options. $95.91 - $131.46 Range Four Of Exercise Prices [Member] Represents the exercise price range four of the outstanding stock options. Stock options Employee And Nonemployee Stock Option [Member] An arrangement whereby an employee or non-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. Stock appreciation rights Stock Appreciation Rights (SARs) [Member] Stock-based compensation plans disclosures Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Low range of exercise price range (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit High range of exercise price range (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Stock options outstanding, number of shares (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Stock options outstanding, weighted-average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Stock options outstanding, weighted-average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Stock options exercisable, number of shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Stock options exercisable, weighted-average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Share based compensation shares authorized under equity plans other than options exercise price range lower range limit (in dollars per share) Share Based Compensation Shares Authorized Under Equity Plans Other than Options Exercise Price Range Lower Range Limit The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock appreciation rights awards on all stock appreciation rights plans and other required information pertaining to awards in the customized range. Share based compensation shares authorized under equity plans other than options exercise price range upper range limit (in dollars per share) Share Based Compensation Shares Authorized Under Equity Plans Other than Options Exercise Price Range Upper Range Limit The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock appreciation rights awards on all stock appreciation rights plans and other required information pertaining to awards in the customized range. Stock appreciation rights outstanding, number of shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Stock appreciation rights outstanding, weighted- average exercise price (in dollars per share) Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options Outstanding Weighted Average Exercise Price Weighted average price at which grantees can acquire the shares reserved for issuance under the stock compensation plan, other than options. Stock appreciation rights outstanding, weighted- average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Stock appreciation rights exercisable, number of shares Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options Exercisable Number The number of shares into which equity instruments other than options outstanding as of the balance sheet date can be currently converted under the stock-based compensation plan. Stock appreciation rights exercisable, weighted- average exercise price (in dollars per share) Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options Exercisable Weighted Average Exercise Price The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on equity instruments, other than options, outstanding and currently exercisable under the stock-based compensation plan. Shares Share Based Compensation Arrangement by Share Based Payment Award Options and Stock Appreciation Rights Additional Disclosures [Abstract] Outstanding at beginning of period (in shares) Share Based Compensation Arrangement by Share Based Payment Award Options and Stock Appreciation Rights Outstanding Number The number of shares reserved for issuance under stock option and stock appreciation rights agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options. Granted (in shares) Share Based Compensation Arrangement by Share Based Payment Award Options and Stock Appreciation Rights Grants in Period Gross Gross number of share options and stock appreciation rights granted during the period. Exercised (in shares) Stock Issued During Period Shares Stock Options and Stock Appreciation Rights Exercised Number of share options and stock appreciation rights exercised during the current period. Forfeited or expired (in shares) Share Based Compensation Arrangement by Share Based Payment Award Options and Stock Appreciation Rights Forfeitures and Expirations in Period For presentations that combine terminations, the number of shares under options and stock appreciation rights that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option and stock appreciation right plan or that expired. Outstanding at end of period (in shares) Exercisable (in shares) Share Based Compensation Arrangement by Share Based Payment Award Options and Stock Appreciation Rights Exercisable Number The number of shares into which fully or partially vested stock options and stock appreciation rights outstanding as of the balance sheet date can be currently converted under the option and stock appreciation rights plans. Weighted-Average Exercise Price Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights Outstanding Weighted Average Exercise Price [Roll Forward] Outstanding at beginning of period (in dollars per share) Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights Outstanding Weighted Average Exercise Price Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option and stock appreciation rights plans. Granted (in dollars per share) Share Based Compensation Arrangements By Share Based Payment Award, Options And Stock Appreciation Rights, Grants In Period, Weighted Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award, Options And Stock Appreciation Rights, Grants In Period, Weighted Average Exercise Price Exercised (in dollars per share) Share Based Compensation Arrangements by Share Based Payment Award, Options and Stock Appreciation Rights Exercises in Period Weighted Average Exercise Price Weighted average price at which option holders acquired shares when converting their stock options and stock appreciation rights into shares. Forfeited or expired (in dollars per share) Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights Forfeitures and Expirations in Period Weighted Average Exercise Price Weighted average price of options and stock appreciation rights that were either forfeited or expired. Outstanding at end of period (in dollars per share) Exercisable (in dollars per share) Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights Exercisable Weighted Average Exercise Price The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options and stock appreciation rights outstanding and currently exercisable under the stock option and stock appreciation right plan. Weighted-Average Remaining Contractual Term (Years) Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights Additional General Disclosures [Abstract] Outstanding Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights Outstanding Weighted Average Remaining Contractual Term Weighted average remaining contractual term for option awards and stock appreciation rights outstanding. Exercisable Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights Exercisable Weighted Average Remaining Contractual Term Weighted average remaining contractual term for vested portions of options and stock appreciation rights outstanding and currently exercisable. Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Outstanding Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights Outstanding Intrinsic Value Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options and stock appreciation rights outstanding. Exercised Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights Exercises in Period Total Intrinsic Value The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options and stock appreciation rights which were exercised (or share units converted) into shares during the reporting period under the plan. Exercisable Share Based Compensation Arrangement by Share Based Payment Award, Options and Stock Appreciation Rights Exercisable Intrinsic Value Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options and stock appreciation rights outstanding and currently exercisable. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Restricted cash included in prepaid expenses and other current assets Restricted Cash, Current Restricted cash included in intangible and other assets-net Restricted Cash, Noncurrent Cash, cash equivalents and restricted cash Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Table] Online Dashboard, Mobile Applications, and Upgrade Rights Online Dashboard, Mobile Applications, And Upgrade Rights [Member] Online Dashboard, Mobile Applications, And Upgrade Rights [Member] Wearable Technology Wearable Technology [Member] Wearable Technology [Member] Gift Cards Gift Cards [Member] Gift Cards [Member] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Estimated usage period Contract With Customer, Liability, Amortization Period Contract With Customer, Liability, Amortization Period Revenue, performance obligation timing Revenue, Performance Obligation, Description of Timing Material contract assets Contract with Customer, Asset, after Allowance for Credit Loss Deferred contract costs Capitalized Contract Cost, Net Contract liabilities Contract with Customer, Liability Schedule of future minimum royalty commitments under license agreements Schedule of Future Minimum Royalty Commitments [Table Text Block] Tabular disclosure of future minimum royalty commitments under license agreements. Summary of changes in the Company's asset retirement obligations Schedule of Asset Retirement Obligations [Table Text Block] Schedule of significant components of the consolidated deferred tax assets and liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of the amounts and the fiscal year of expiration of loss carryforwards Summary of Operating Loss Carryforwards [Table Text Block] Schedule of income before income taxes for the Company's U.S. and non-U.S. based operations Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Components of provision for income taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Reconciliation of the U.S. federal statutory income tax rate to the effective tax rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Reconciliation of the total amounts of unrecognized tax benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Cover page. Document Type Document Type Document Annual Report Document Annual Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Entity File Number Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Public Float Entity Public Float Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Entity Central Index Key Entity Central Index Key Amendment Flag Amendment Flag 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 Prepaid royalties Prepaid Royalties Prepaid taxes and tax receivables Prepaid Taxes Other receivables Other Receivables, Net, Current Forward contracts Derivative Asset, Current Inventory returns Contract with Customer, Right to Recover Product, Current Prepaid rent Prepaid Rent Property held for sale Assets Held-for-sale, Not Part of Disposal Group, Current Short term deposits Deposit Assets Other Other Assets, Current Prepaid expenses and other current assets Common stock repurchased Treasury Stock, Value, Acquired, Cost Method Number of shares repurchased (in shares) Treasury Stock, Shares, Acquired Authorizations remaining Stock Repurchase Program, Remaining Authorized Repurchase Amount Estimated total restructuring charges Restructuring and Related Cost, Expected Cost Leases Lessee, Operating Leases [Text Block] Leases Lessee, Finance Leases [Text Block] Taxes Income Tax Disclosure [Text Block] Common stock, shares issued (in shares) Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Nonvested at beginning of period (in shares) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Nonvested at end of period (in shares) Weighted-Average Grant Date Fair Value Per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Nonvested at beginning of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Nonvested at end of period (in dollars per share) Minimum years of service to be eligible for employer 401(k) matching Defined Contribution Plan Requisite Service Period for Entity's Discretionary Contribution Minimum amount of service for employees to be eligible for employer 401(k) matching. Minimum hours worked to be eligible for employer 401(k) matching Defined Contribution Plan Requisite Working Hours for Entitys Discretionary Contribution Minimum hours worked for employees to be eligible for employer 401(k) matching. Percentage of employee contributions in which Company will provide a matching contribution Defined Contribution Plan Employer Matching Percent of Employee Contributions Percentage of employee contributions for which the Company will provide a matching contribution of up to 6 percent of employee compensation. Percentage of eligible compensation, first level, matched by employer after amendment (up to) Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Employer's matching contributions under the plan Defined Contribution Plan, Cost Maximum additional contribution by employer (as a percent) Defined Contribution Plan Maximum Additional Contribution Per Employee Percentage Represents the maximum percentage of employee gross pay, by the terms of the plan that the employer may additionally contribute to a defined contribution plan. Additional employer matching contributions Deferred Contribution Plan, Additional Employer Matching Contributions Deferred Contribution Plan, Additional Employer Matching Contributions Maximum percentage of salary that may be deferred by participating employees Deferred Compensation Arrangements Maximum Percentage of Salary that May be Deferred Represents the maximum percentage of salary that may be deferred by participating employees for the defined contribution plan. Maximum percentage of annual bonus that may be deferred by participating employees Deferred Compensation Arrangements Maximum Percentage of Annual Bonus that May be Deferred Represents the maximum percentage of annual bonus that may be deferred by the participating employees for the defined contribution plan. Deferred compensation plan, contributions by employer Deferred Compensation Plan, Contributions By Employer Deferred Compensation Plan, Contributions By Employer Asset related to invested balances recorded in intangibles and other assets-net Deferred Compensation Plan Assets Liability related to participants' invested balances recorded in accrued expenses other Deferred Compensation Arrangement with Individual, Recorded Liability Research and development costs Research and Development Expense Europe Europe [Member] Asia Asia Pacific [Member] All other international Countries Other Than United States Europe And Asia Pacific [Member] Represents information pertaining to all countries other than United States, Europe and Asia Pacific. Germany GERMANY Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2016 long term incentive plan Long Term Incentive Plan 2016 [Member] Long Term Incentive Plan 2016 [Member] 2008 long term incentive plan Two Thousand Eight Long Term Incentive Plan [Member] Represents information pertaining to the 2008 Long-Term Incentive Plan entered into by the entity. Title of Individual [Axis] Title of Individual [Axis] Title of Individual [Domain] Title of Individual [Domain] Nonemployee director Non Employee Director [Member] Represents information pertaining to the director who is not an officer or an employee of the entity. Restricted stock units Restricted Stock Units (RSUs) [Member] Long-Term Incentive Plans Number of common shares reserved for issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Number of additional shares of common stock (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Term of award under the plan Share Based Compensation Arrangement by Share Based Payment Award, Term The term of equity-based award agreement, which may be presented in a variety of ways (for example, year, month and year, day, month and year, quarter of a year). Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Value of awards granted Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options Grants Total Value Value of equity-based payment equity instruments, other than options, granted. Vesting percentage of awards granted Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Reduction of annual grant Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Reduction of Aggregate Intrinsic Value, Percent Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Reduction of Aggregate Intrinsic Value, Percent Restricted stock units fair market value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Number of outstanding awards (in shares) Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Pension Plan Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] AOCI Attributable to Parent Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Tax (expense) benefit Other Comprehensive Income (Loss) before Reclassifications, Tax Amounts reclassed from accumulated other comprehensive income (loss) Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Tax (expense) benefit Reclassification from AOCI, Current Period, Tax Reclassification of certain tax effects to retained earnings Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect Allowance for doubtful accounts receivable Allowance For Doubtful Accounts Receivable and Sales Returns Current Valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible and valuation allowance for the amount of products sold that the entity expects to be returned by the purchaser. Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Balance at beginning of year Unrecognized Tax Benefits Gross increases—tax positions in prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Gross decreases—tax positions in prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Gross increases—tax positions in current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Lapse in statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Change due to currency revaluation Unrecognized Tax Benefits Increase (decrease) Due To Currency Revaluation The net amount of increases and decreases in unrecognized tax benefits for the period due to currency revaluation. Balance at end of year Estimated sales return provision Contract with Customer, Asset, Credit Loss Expense (Reversal) Warranty Liabilities Product Warranty Disclosure [Text Block] Restructuring Restructuring and Related Activities Disclosure [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Prepaid expenses and other current assets Prepaid Expenses and Other Current Assets [Member] Intangible and other assets-net Intangible And Other Assets [Member] Line item in the statement of financial position Accrued expenses-other Accrued Expenses Other [Member] Line item in the statement of financial position in which the fair value amounts of the derivative instruments are included. Other long-term liabilities Other Liabilities [Member] Fair value of derivative instruments Derivatives, Fair Value [Line Items] Asset Derivatives Derivative Asset, Fair Value, Gross Asset Liability Derivatives Derivative Liability, Fair Value, Gross Liability Schedule of the components of property, plant and equipment-net Schedule of Property Plant and Equipment Components [Table Text Block] Tabular disclosure of the components of property, plant and equipment. Tax at statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Permanent differences Effective Income Tax Rate Reconciliation, Permanent Differences, Percent Effective Income Tax Rate Reconciliation, Permanent Differences, Percent State, net of federal tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Foreign rate differential Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Withholding taxes Effective Income Tax Rate Reconciliation, Withholding Tax Effective Income Tax Rate Reconciliation, Withholding Tax GILTI Tax-net of foreign tax credits Effective Income Tax Rate Reconciliation, GILTI Tax, Foreign Effective Income Tax Rate Reconciliation, GILTI Tax, Foreign U.S. tax on foreign income-net of foreign tax credits Effective Income Tax Rate Reconciliation, Tax Settlement, Foreign, Percent Income tax contingencies Effective Income Tax Rate Reconciliation, Tax Contingency, Percent Valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Repatriation tax - net impact Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Transition Tax on Accumulated Foreign Earnings, Percent Deficiencies on employee stock awards Effective Income Tax Rate Reconciliation, Non-Deductible, Employee Stock Awards, Percent Effective Income Tax Rate Reconciliation, Non-Deductible, Employee Stock Awards, Percent Non-deductible goodwill impairment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent Tax reform rate reduction impact on deferred tax assets Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Foreign deferred tax rate change Effective Income Tax Rate Reconciliation, Change in Foreign Deferred Tax Rate, Percent Effective income Tax Rate reconciliation Change in Foreign Deferred Tax rate Non deductible foreign equity awards Effective Income Tax Rate Reconciliation, Nondeductible Foreign Equity Awards, Percent Effective Income Tax Rate Reconciliation Nondeductible Foreign Equity Awards Percent Non deductible officer compensation Effective Income Tax Rate Reconciliation, Nondeductible Officer Compensation, Percent Effective Income Tax Rate Reconciliation Nondeductible Officer Compensation Percent Tax exempt foreign capital gain income Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent Deferred adjustment Effective Income Tax Rate Reconciliation, Deferred Adjustment, Percent Effective Income Tax Rate Reconciliation Deferred Adjustment Percent Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Provision for income taxes Debt Debt Disclosure [Text Block] Schedule of Product Information [Table] Schedule of Product Information [Table] FOSSIL watch products Fossil Watch Products [Member] Identifies name or type of a product or service, or a group of similar products or similar services, for which the entity reported revenue from external customers during the period. RELIC watch products Relic Watch Products [Member] RELIC watch products sold by the entity. FOSSIL, RELIC, and SKAGEN watch products Fossil, Relic And Skagen Watch Products [Member] Fossil, Relic And Skagen Watch Products [Member] Other non-watch products Other Non-Watch Products [Member] Other Non-Watch Products [Member] Product Information [Line Items] Product Information [Line Items] Warranty period Standard Product Warranty Period Represents the period of the standard product warranty. Warranty liability activity Movement in Standard Product Warranty Accrual [Roll Forward] Beginning balance Standard Product Warranty Accrual Settlements in cash or kind Standard Product Warranty Accrual, Decrease for Payments Warranties issued and adjustments to preexisting warranties Warranties Issued and Adjustments to Preexisting Warranties Warranties Issued And Adjustments To Preexisting Warranties. Ending balance Schedule of components of debt excluding finance lease obligations Schedule of Debt [Table Text Block] Schedule of maturity of debt excluding finance lease obligations Schedule of Maturities of Long-term Debt [Table Text Block] Operating lease cost Operating Lease, Cost Amortization of ROU assets Finance Lease, Right-of-Use Asset, Amortization Interest on lease liabilities Finance Lease, Interest Expense Short-term lease cost Short-term Lease, Cost Variable lease cost Variable Lease, Cost Intangible and Other Assets [Table] Intangible and Other Assets [Table] Schedule of intangibles and other assets. Trademarks Trademarks [Member] Customer lists Customer Lists [Member] Patents Patents [Member] Developed technology Developed Technology Rights [Member] Other Other Intangible Assets [Member] Other Assets [Axis] Other Assets [Axis] Information by type or class of other assets. Other Assets [Domain] Other Assets [Domain] The major type or class of other assets. Other deposits Other Deposits [Member] Represents other deposits. Deferred compensation plan assets Deferred Compensation Plan Assets [Member] Represents deferred compensation plan assets. Deferred tax asset-net Deferred Tax Asset [Member] Represents deferred tax assets. Restricted cash Restricted Cash [Member] Represents restricted cash. Tax receivable Long Term Tax Receivable [Member] Long Term Tax Receivable [Member] Investments Investments [Member] Other Assets Other [Member] Represents other assets that are not specifically identified. Intangible and other assets Intangible and Other Assets [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Intangibles-subject to amortization: Finite-Lived Intangible Assets, Net [Abstract] Gross Amount Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangibles-not subject to amortization: Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract] Gross Amount Indefinite-Lived Trade Names Other assets: Prepaid Expense and Other Assets [Abstract] Gross Amount Other Assets Gross Amount Total Intangibles and Other Assets Total Intangibles And Other Assets. Accumulated Amortization Intangible and Other, Assets Accumulated Amortization The cumulative amount of amortization (related to Intangible And Other Assets) that has been recognized in the income statement. Total intangible and other assets-net Cost method investments Cost Method Investments SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Account receivable allowances SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Sales returns Sales Returns and Allowances [Member] Bad debts SEC Schedule, 12-09, Allowance, Credit Loss [Member] Markdowns SEC Schedule, 12-09, Reserve, Inventory [Member] Deferred tax asset valuation allowance SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] Valuation and qualifying accounts SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Balance at Beginning of Period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Charged to Operations SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Charged to Other Accounts SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account Actual Returns or Writeoffs SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Balance at End of Period