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Debt (Details 2) (USD $) | 12 Months Ended | 0 Months Ended | 7 Months Ended | 0 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 03, 2015 | Dec. 28, 2013 | Dec. 29, 2012 | May 17, 2013 | Jan. 03, 2015 item | Sep. 30, 2013 | May 23, 2014 | May 11, 2012
Maturity of long term debt excluding capital lease obligations |  |  |  |  |  |  |  |
Less than 1 Year | $ 15,700,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths |  |  |  | $ 15,700,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths |  |  |
Year 2 | 22,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo |  |  |  | 22,000,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo |  |  |
Year 3 | 18,900,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree |  |  |  | 18,900,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree |  |  |
Year 4 | 564,100,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour |  |  |  | 564,100,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour |  |  |
Year 5 | 100,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive |  |  |  | 100,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive |  |  |
Thereafter | 2,800,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive |  |  |  | 2,800,000 us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive |  |  |
Total debt | 623,600,000 us-gaap_LongTermDebt | 500,700,000 us-gaap_LongTermDebt |  |  | 623,600,000 us-gaap_LongTermDebt |  |  |
Interest paid | 15,924,000 us-gaap_InterestPaid | 9,450,000 us-gaap_InterestPaid | 5,155,000 us-gaap_InterestPaid |  |  |  |  |
Credit Agreement |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Debt term |  |  |  | 5 years |  |  |  |
Upfront fees |  |  |  | 4,800,000 us-gaap_DebtIssuanceCosts / us-gaap_DebtInstrumentAxis = fosl_CreditAgreementMember |  |  |  |
Maximum capital expenditures after 2015, debt covenant | 250,000,000 fosl_DebtInstrumentCovenantMaximumAcquisitionsThereafter / us-gaap_DebtInstrumentAxis = fosl_CreditAgreementMember |  |  |  |  |  |  |
Credit Agreement | Maximum |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Consolidated leverage ratio required |  |  |  |  | 2.50 fosl_DebtInstrumentCovenantConsolidatedLeverageRatio / us-gaap_DebtInstrumentAxis = fosl_CreditAgreementMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |
Consolidated interest coverage ratio required |  |  |  |  | 3.50 fosl_DebtInstrumentCovenantConsolidatedInterestCoverageRatio / us-gaap_DebtInstrumentAxis = fosl_CreditAgreementMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |
Maximum capital expenditures during 2014, debt covenant |  |  |  |  | 200,000,000 fosl_DebtInstrumentCovenantMaximumAcquisitionsYearTwo / us-gaap_DebtInstrumentAxis = fosl_CreditAgreementMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |
Maximum capital expenditures during 2015, debt covenant |  |  |  |  | 200,000,000 fosl_DebtInstrumentCovenantMaximumAcquisitionsYearThree / us-gaap_DebtInstrumentAxis = fosl_CreditAgreementMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |
Credit Agreement | Fossil Europe B.V., Swiss Technology Holding GmbH and Fossil (East) Limited |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Percentage of total outstanding non-voting capital stock |  |  |  | 100.00%fosl_LineOfCreditFacilityAgreementPercentageOfTotalOutstandingNonVotingCapitalStock / us-gaap_DebtInstrumentAxis = fosl_CreditAgreementMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = fosl_ForeignSubsidiariesGroupOneMember |  |  |  |
Swingline loan |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | 20,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = fosl_SwingLineMember |  |  |  |
U.S. revolving line of credit |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Interest expense incurred | 6,100,000 us-gaap_InterestExpenseLongTermDebt / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember |  |  |  |  |  |  |
Maximum borrowing capacity | 1,050,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember |  |  | 750,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember | 1,050,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember |  |  |
Increased credit limit |  |  |  |  |  |  | 300,000,000 fosl_LineOfCreditFacilityIncreaseBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember |
Remaining borrowing capacity | 660,100,000 us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember |  |  |  | 660,100,000 us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember |  |  |
Percentage of total outstanding voting capital stock |  |  |  | 65.00%fosl_LineOfCreditFacilityAgreementPercentageOfTotalOutstandingVotingCapitalStock / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember |  |  |  |
Maturity of long term debt excluding capital lease obligations |  |  |  |  |  |  |  |
Total debt | 389,000,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember | 250,000,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember |  |  | 389,000,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember |  |  |
U.S. revolving line of credit | Minimum |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Commitment fee (as a percent) |  |  |  |  | 0.20%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_RangeAxis = us-gaap_MinimumMember |  |  |
U.S. revolving line of credit | Maximum |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Commitment fee (as a percent) |  |  |  |  | 0.35%us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |
U.S. revolving line of credit | Consolidated leverage ratio (the Ratio) less than 1.00 to 1.00 | Base rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Applicable margin based on the Company's consolidated leverage ratio (as a percent) |  |  |  |  | 0.25%fosl_DebtInstrumentApplicableMarginBasedOnLeverageRatio / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioLessThan1.0to1.0Member |  |  |
Consolidated leverage ratio used to calculate variable rate of debt (as a percent) | 100.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioLessThan1.0to1.0Member |  |  |  | 100.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioLessThan1.0to1.0Member |  |  |
U.S. revolving line of credit | Consolidated leverage ratio (the Ratio) greater than 2.00 to 1.00 | Base rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Applicable margin based on the Company's consolidated leverage ratio (as a percent) |  |  |  |  | 1.00%fosl_DebtInstrumentApplicableMarginBasedOnLeverageRatio / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioGreaterThanOrEqualTo2.0to1.0Member |  |  |
Consolidated leverage ratio used to calculate variable rate of debt (as a percent) | 200.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioGreaterThanOrEqualTo2.0to1.0Member |  |  |  | 200.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioGreaterThanOrEqualTo2.0to1.0Member |  |  |
U.S. revolving line of credit | Prime rate | Base rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Base rate at end of period (as a percent) | 3.25%fosl_DebtInstrumentVariableRateBaseInterestRateAtEndOfPeriod / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_PrimeRateMember |  |  |  | 3.25%fosl_DebtInstrumentVariableRateBaseInterestRateAtEndOfPeriod / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_PrimeRateMember |  |  |
Description of base rate |  |  |  |  | prime rate |  |  |
U.S. revolving line of credit | Federal funds rate | Base rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Description of base rate |  |  |  |  | federal funds rate |  |  |
Basis spread on base rate (as a percent) |  |  |  |  | 0.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = fosl_FederalFundsRateMember |  |  |
U.S. revolving line of credit | LIBOR | Base rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Base rate at end of period (as a percent) | 0.16%fosl_DebtInstrumentVariableRateBaseInterestRateAtEndOfPeriod / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |  | 0.16%fosl_DebtInstrumentVariableRateBaseInterestRateAtEndOfPeriod / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
Description of base rate |  |  |  |  | LIBOR |  |  |
Basis spread on base rate (as a percent) |  |  |  |  | 1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
U.S. revolving line of credit | LIBOR | LIBOR rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
LIBOR Rate, amount used to calculate quotient (as a percent) | 100.00%fosl_DebtInstrumentLIBORRateAmountUsedToCalculateQuotient / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |  | 100.00%fosl_DebtInstrumentLIBORRateAmountUsedToCalculateQuotient / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
U.S. revolving line of credit | LIBOR | Consolidated leverage ratio (the Ratio) less than 1.00 to 1.00 | LIBOR rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Applicable margin based on the Company's consolidated leverage ratio (as a percent) |  |  |  |  | 1.00%fosl_DebtInstrumentApplicableMarginBasedOnLeverageRatio / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioLessThan1.0to1.0Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
Consolidated leverage ratio used to calculate variable rate of debt (as a percent) | 100.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioLessThan1.0to1.0Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |  | 100.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioLessThan1.0to1.0Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
U.S. revolving line of credit | LIBOR | Consolidated leverage ratio (the Ratio) greater than 2.00 to 1.00 | LIBOR rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Applicable margin based on the Company's consolidated leverage ratio (as a percent) |  |  |  |  | 2.00%fosl_DebtInstrumentApplicableMarginBasedOnLeverageRatio / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioGreaterThanOrEqualTo2.0to1.0Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
Consolidated leverage ratio used to calculate variable rate of debt (as a percent) | 200.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioGreaterThanOrEqualTo2.0to1.0Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |  | 200.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_RevolvingCreditFacilityMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioGreaterThanOrEqualTo2.0to1.0Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
U.S. term loan |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Interest expense incurred | 6,300,000 us-gaap_InterestExpenseLongTermDebt / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember |  |  |  |  |  |  |
Total borrowings |  |  |  |  | 15,600,000 us-gaap_ProceedsFromLinesOfCredit / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember |  |  |
Repayment of borrowings |  |  |  |  |  | 139,000,000 us-gaap_RepaymentsOfLinesOfCredit / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember |  |
Maximum borrowing capacity | 250,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember |  |  |  | 250,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember |  |  |
Maturity of long term debt excluding capital lease obligations |  |  |  |  |  |  |  |
Total debt | 231,300,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember | 246,900,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember |  |  | 231,300,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember |  |  |
U.S. term loan | Consolidated leverage ratio (the Ratio) less than 1.00 to 1.00 | Base rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Applicable margin based on the Company's consolidated leverage ratio (as a percent) |  |  |  |  | 0.25%fosl_DebtInstrumentApplicableMarginBasedOnLeverageRatio / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioLessThan1.0to1.0Member |  |  |
Consolidated leverage ratio used to calculate variable rate of debt (as a percent) | 100.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioLessThan1.0to1.0Member |  |  |  | 100.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioLessThan1.0to1.0Member |  |  |
U.S. term loan | Consolidated leverage ratio (the Ratio) greater than 2.00 to 1.00 | Base rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Applicable margin based on the Company's consolidated leverage ratio (as a percent) |  |  |  |  | 1.00%fosl_DebtInstrumentApplicableMarginBasedOnLeverageRatio / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioGreaterThanOrEqualTo2.0to1.0Member |  |  |
Consolidated leverage ratio used to calculate variable rate of debt (as a percent) | 200.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioGreaterThanOrEqualTo2.0to1.0Member |  |  |  | 200.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioGreaterThanOrEqualTo2.0to1.0Member |  |  |
U.S. term loan | Prime rate | Base rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Base rate at end of period (as a percent) | 3.25%fosl_DebtInstrumentVariableRateBaseInterestRateAtEndOfPeriod / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / us-gaap_VariableRateAxis = us-gaap_PrimeRateMember |  |  |  | 3.25%fosl_DebtInstrumentVariableRateBaseInterestRateAtEndOfPeriod / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / us-gaap_VariableRateAxis = us-gaap_PrimeRateMember |  |  |
Description of base rate |  |  |  |  | Prime rate |  |  |
U.S. term loan | Federal funds rate | Base rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Description of base rate |  |  |  |  | Federal funds rate |  |  |
Basis spread on base rate (as a percent) |  |  |  |  | 0.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / us-gaap_VariableRateAxis = fosl_FederalFundsRateMember |  |  |
U.S. term loan | LIBOR | Base rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Base rate at end of period (as a percent) | 0.16%fosl_DebtInstrumentVariableRateBaseInterestRateAtEndOfPeriod / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |  | 0.16%fosl_DebtInstrumentVariableRateBaseInterestRateAtEndOfPeriod / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
Description of base rate |  |  |  |  | LIBOR |  |  |
Basis spread on base rate (as a percent) |  |  |  |  | 1.25%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_CreditFacilityAxis = fosl_BaseRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
U.S. term loan | LIBOR | LIBOR rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
LIBOR Rate, amount used to calculate quotient (as a percent) | 100.00%fosl_DebtInstrumentLIBORRateAmountUsedToCalculateQuotient / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |  | 100.00%fosl_DebtInstrumentLIBORRateAmountUsedToCalculateQuotient / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
U.S. term loan | LIBOR | Consolidated leverage ratio (the Ratio) less than 1.00 to 1.00 | LIBOR rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Applicable margin based on the Company's consolidated leverage ratio (as a percent) |  |  |  |  | 1.25%fosl_DebtInstrumentApplicableMarginBasedOnLeverageRatio / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioLessThan1.0to1.0Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
Consolidated leverage ratio used to calculate variable rate of debt (as a percent) | 100.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioLessThan1.0to1.0Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |  | 100.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioLessThan1.0to1.0Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
U.S. term loan | LIBOR | Consolidated leverage ratio (the Ratio) greater than 2.00 to 1.00 | LIBOR rate loans |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Applicable margin based on the Company's consolidated leverage ratio (as a percent) |  |  |  |  | 2.00%fosl_DebtInstrumentApplicableMarginBasedOnLeverageRatio / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioGreaterThanOrEqualTo2.0to1.0Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
Consolidated leverage ratio used to calculate variable rate of debt (as a percent) | 200.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioGreaterThanOrEqualTo2.0to1.0Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |  | 200.00%fosl_DebtInstrumentConsolidatedLeverageRatioUsedToCalculateVariableRateOfDebt / us-gaap_CreditFacilityAxis = fosl_LIBORRateLoansMember / us-gaap_DebtInstrumentAxis = us-gaap_SecuredDebtMember / fosl_DebtInstrumentConsolidatedLeverageRatioAxis = fosl_DebtInstrumentConsolidatedLeverageRatioGreaterThanOrEqualTo2.0to1.0Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |
Other international |  |  |  |  |  |  |  |
Maturity of long term debt excluding capital lease obligations |  |  |  |  |  |  |  |
Total debt | 3,300,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = fosl_OtherInternationalDebtMember | 3,800,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = fosl_OtherInternationalDebtMember |  |  | 3,300,000 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = fosl_OtherInternationalDebtMember |  |  |
LC Facility |  |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | 10,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = fosl_LetterOfCreditFacilityMember |  |  |  | 80,000,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = fosl_LetterOfCreditFacilityMember
Maturity of long term debt excluding capital lease obligations |  |  |  |  |  |  |  |
Letters of credit outstanding | 50,300,000 us-gaap_LettersOfCreditOutstandingAmount / us-gaap_DebtInstrumentAxis = fosl_LetterOfCreditFacilityMember | 49,700,000 us-gaap_LettersOfCreditOutstandingAmount / us-gaap_DebtInstrumentAxis = fosl_LetterOfCreditFacilityMember |  |  | 50,300,000 us-gaap_LettersOfCreditOutstandingAmount / us-gaap_DebtInstrumentAxis = fosl_LetterOfCreditFacilityMember |  |  |
Capital Lease Obligations |  |  |  |  |  |  |  |
Maturity of long term debt excluding capital lease obligations |  |  |  |  |  |  |  |
Current capital lease obligations | 900,000 us-gaap_CapitalLeaseObligationsCurrent / us-gaap_DebtInstrumentAxis = us-gaap_CapitalLeaseObligationsMember | 800,000 us-gaap_CapitalLeaseObligationsCurrent / us-gaap_DebtInstrumentAxis = us-gaap_CapitalLeaseObligationsMember |  |  | 900,000 us-gaap_CapitalLeaseObligationsCurrent / us-gaap_DebtInstrumentAxis = us-gaap_CapitalLeaseObligationsMember |  |  |
Long-term capital lease obligations | $ 5,800,000 us-gaap_CapitalLeaseObligationsNoncurrent / us-gaap_DebtInstrumentAxis = us-gaap_CapitalLeaseObligationsMember | $ 6,600,000 us-gaap_CapitalLeaseObligationsNoncurrent / us-gaap_DebtInstrumentAxis = us-gaap_CapitalLeaseObligationsMember |  |  | $ 5,800,000 us-gaap_CapitalLeaseObligationsNoncurrent / us-gaap_DebtInstrumentAxis = us-gaap_CapitalLeaseObligationsMember |  |  |

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- Definition Represents the applicable margin added to the variable rate of the debt instrument which varies based upon the Company's consolidated leverage ratio (the "Ratio"). + References No definition available. + Details
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- Definition Percentage of subsidiary non-voting capital stock used to secure line of credit facility. + References No definition available. + Details
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- Definition Amount of capital lease obligation due within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45023-112735 + Details
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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45023-112735 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Aggregate amount of interest paid or due on all long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 8 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.8) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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