INTANGIBLE AND OTHER ASSETS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Apr. 04, 2015	Jan. 03, 2015
Intangible and other assets
Total intangibles - subject to amortization	$ 52,226	$ 50,358
Total intangibles-not subject to amortization, Carrying Amount	83,627us-gaap_IndefiniteLivedTradeNames	83,610us-gaap_IndefiniteLivedTradeNames
Total other assets, Gross Amount	87,296us-gaap_OtherAssets	92,218us-gaap_OtherAssets
Total intangible and other assets, Carrying Amount	223,149fosl_TotalIntangiblesAndOtherAssets	226,186fosl_TotalIntangiblesAndOtherAssets
Total intangibles-subject to amortization, Accumulated Amortization	24,339	23,501
Total other assets, Accumulated Amortization	28,374	28,321
Total intangible and other assets, Accumulated Amortization	52,713	51,822
Total intangible and other assets-net	170,436	174,364
Key money deposits
Intangible and other assets
Total other assets, Gross Amount	29,438	31,892
Total other assets, Accumulated Amortization	18,107	18,661
Key money deposits \| Minimum
Intangible and other assets
Amortization period based on initial lease term	4 years
Key money deposits \| Maximum
Intangible and other assets
Amortization period based on initial lease term	18 years
Other deposits
Intangible and other assets
Total other assets, Gross Amount	22,182	21,854
Deferred compensation plan assets
Intangible and other assets
Total other assets, Gross Amount	2,510	2,477
Deferred tax asset-net
Intangible and other assets
Total other assets, Gross Amount	7,581	8,583
Restricted cash
Intangible and other assets
Total other assets, Gross Amount	522	575
Shop-in-shop
Intangible and other assets
Total other assets, Gross Amount	14,807	16,333
Total other assets, Accumulated Amortization	10,267	9,660
Interest rate swaps
Intangible and other assets
Total other assets, Gross Amount	343	1,724
Forward contracts
Intangible and other assets
Total other assets, Gross Amount	1,155	1,802
Other assets
Intangible and other assets
Total other assets, Gross Amount	8,758	6,978
Trademarks
Intangible and other assets
Total intangibles - subject to amortization	4,175	4,174
Total intangibles-subject to amortization, Accumulated Amortization	3,013	2,950
Useful Lives	10 years
Customer lists
Intangible and other assets
Total intangibles - subject to amortization	43,461	41,703
Total intangibles-subject to amortization, Accumulated Amortization	17,987	17,457
Customer lists \| Minimum
Intangible and other assets
Useful Lives	5 years
Customer lists \| Maximum
Intangible and other assets
Useful Lives	10 years
Patents
Intangible and other assets
Total intangibles - subject to amortization	2,273	2,273
Total intangibles-subject to amortization, Accumulated Amortization	2,037	1,902
Patents \| Minimum
Intangible and other assets
Useful Lives	3 years
Patents \| Maximum
Intangible and other assets
Useful Lives	20 years
Noncompete agreement
Intangible and other assets
Total intangibles - subject to amortization	1,816	1,855
Total intangibles-subject to amortization, Accumulated Amortization	908	851
Useful Lives	6 years
Other
Intangible and other assets
Total intangibles - subject to amortization	501	353
Total intangibles-subject to amortization, Accumulated Amortization	$ 394	$ 341
Other \| Minimum
Intangible and other assets
Useful Lives	7 years
Other \| Maximum
Intangible and other assets
Useful Lives	20 years

Accumulated Amortization Related To Other Assets.

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- Definition

Represents the initial term of the commercial property lease.

+ References

No definition available.

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- Definition

The cumulative amount of amortization (related to Intangible And Other Assets) that has been recognized in the income statement.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

Total Intangibles And Other Assets.

+ References

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.17)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 17

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Article 7

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