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FINANCIAL STATEMENT POLICIES - Narrative (Details) | 3 Months Ended
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Jul. 04, 2020
COVID-19 |
Unusual or Infrequent Item, or Both [Line Items] |
Percent reduction in cash fees | 20.00%

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- Definition Reduction in Cash Fees, Percent + References No definition available. + Details
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Namespace Prefix: | fosl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition 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. + References No definition available. + Details
Name: | us-gaap_UnusualOrInfrequentItemLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_UnusualOrInfrequentItemAxis=fosl_COVID19Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |