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Acquisitions and Goodwill (Details 4) (Fossil Spain, General De Relojeria, S.A) In Millions, unless otherwise specified | 0 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Aug. 10, 2012 | Dec. 29, 2012 USD ($) | Dec. 29, 2012 Minimum USD ($) | Dec. 29, 2012 Minimum EUR (€) | Dec. 29, 2012 Maximum USD ($) | Dec. 29, 2012 Maximum EUR (€)
Business Acquisition |  |  |  |  |  |
Voting interest that may be acquired upon expiration of joint venture agreement (as a percent) | 50.00% |  |  |  |  |
Percentage or net book value used in the calculation of the fixed purchase price component |  | 50.00% |  |  |  |
Net book value of acquirer |  | $ 15.9 |  |  |  |
Variable price |  |  | $ 2.6 | € 2.0 | $ 4.6 | € 3.5

X
- Definition Represents the net book value of the acquirer. + References No definition available. + Details
Name: | fosl_BusinessAcquisitionNetBookValueOfAcquirer
Namespace Prefix: | fosl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the variable component of the purchase price per year. + References No definition available. + Details
Name: | fosl_BusinessAcquisitionVariablePurchasePrice
Namespace Prefix: | fosl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the percentage of net book value used in the calculation of the fixed purchase price component. + References No definition available. + Details
Name: | fosl_PercentageOfNetBookValueOfFixedPurchasePrice
Namespace Prefix: | fosl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the voting interest that may be acquired upon expiration of the joint venture agreement. + References No definition available. + Details
Name: | fosl_VotingInterestThatMayBeAcquiredUponExpirationOfJointVentureAgreement
Namespace Prefix: | fosl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration