Stockholders' Equity Attributable to Controlling and Noncontrolling Interest [Roll Forward]

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Amount of increase (decrease) in additional paid in capital (APIC) resulting from a tax benefit (deficiency) associated with an share-based compensation plan other than an employee stock ownership plan (ESOP).

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Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation.

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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Amount of cumulative tax effect on beginning retained earnings from change in accounting principle.

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Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Value of stock issued as a result of the exercise of stock options.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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STOCKHOLDERS' EQUITY (Controlling and Noncontrolling Interests) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 01, 2018	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Stockholders' Equity Attributable to Controlling and Noncontrolling Interest [Roll Forward]
Beginning balance				$ 580,947	$ 1,015,438
Tax effects	$ 1,100
Net Income (loss)		$ 5,922	$ (5,479)	(48,820)	(395,367)
Cumulative effect on retained earnings, tax	(26,542)
Currency translation adjustment				(8,136)	32,078
Cash flow hedges - net change		2,704	(9,771)	15,897	(21,364)
Distribution of noncontrolling interest earnings and other				(4,156)	(428)
Stock options exercised				186
Net settlement of restricted grants, restricted stock units, and preferred stock units to satisfy employee tax withholding upon vesting				(2,493)	(947)
Stock-based compensation expense				22,698	23,588
Ending balance		529,581	652,998	529,581	652,998
Fossil Group, Inc. Stockholders’ Equity
Stockholders' Equity Attributable to Controlling and Noncontrolling Interest [Roll Forward]
Beginning balance				576,133	1,006,236
Net Income (loss)				(51,067)	(398,298)
Cumulative effect on retained earnings, tax	$ (26,542)
Currency translation adjustment				(8,136)	32,078
Cash flow hedges - net change				15,897	(21,364)
Distribution of noncontrolling interest earnings and other				109
Stock options exercised				186
Net settlement of restricted grants, restricted stock units, and preferred stock units to satisfy employee tax withholding upon vesting				(2,493)	(947)
Stock-based compensation expense				22,698	23,588
Ending balance		526,785	641,293	526,785	641,293
Noncontrolling Interests
Stockholders' Equity Attributable to Controlling and Noncontrolling Interest [Roll Forward]
Beginning balance				4,814	9,202
Net Income (loss)				2,247	2,931
Distribution of noncontrolling interest earnings and other				(4,265)	(428)
Ending balance		$ 2,796	$ 11,705	$ 2,796	$ 11,705