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Warranty Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 30, 2017 | Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015
Warranty liability activity |  |  |  |
Beginning balance | $ 15,421 | $ 13,669 | $ 13,500 | $ 15,658
Settlements in cash or kind |  | (9,616) | (9,310) | (12,313)
Warranties issued and adjustments to preexisting warranties |  | 11,368 | 9,435 | 10,155
Liabilities assumed in acquisition |  | 0 | 44 | 0
Ending balance |  | $ 15,421 | $ 13,669 | $ 13,500
FOSSIL watch products |  |  |  |
Product Information [Line Items] |  |  |  |
Warranty period |  | 11 years |  |
RELIC watch products |  |  |  |
Product Information [Line Items] |  |  |  |
Warranty period |  | 12 years |  |
Other non-watch products | Minimum |  |  |  |
Product Information [Line Items] |  |  |  |
Warranty period |  | 1 year |  |
Other non-watch products | Maximum |  |  |  |
Product Information [Line Items] |  |  |  |
Warranty period |  | 2 years |  |
Scenario, Forecast [Member] |  |  |  |
Product Information [Line Items] |  |  |  |
Warranty period | 2 years |  |  |

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- Definition Represents the period of the standard product warranty. + References No definition available. + Details
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- Definition Warranties Issued And Adjustments To Preexisting Warranties. + References No definition available. + Details
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- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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- Definition Amount of increase in the standard product warranty accrual from a business acquisition. Excludes extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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- Definition Amount of decrease in the standard product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard product warranty. Excludes extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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- Details
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