CONSOLIDATED STATEMENTS OF INCOME (LOSS) AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Income Statement [Abstract]
Net sales	$ 1,870,036	$ 1,613,343	$ 2,217,712
Cost of sales	903,662	842,987	1,118,274
Gross profit	966,374	770,356	1,099,438
Operating expenses:
Selling, general and administrative expenses	842,625	835,119	1,072,912
Trade name impairments	0	2,464	16,613
Other long-lived asset impairments	9,223	31,584	8,660
Restructuring charges	21,889	36,508	29,636
Total operating expenses	873,737	905,675	1,127,821
Operating income (loss)	92,637	(135,319)	(28,383)
Interest expense	25,086	31,836	29,932
Other income (expense) - net	(14,500)	(4,828)	26,984
Income (loss) before income taxes	53,051	(171,983)	(31,331)
Provision for income taxes	26,427	(76,043)	18,681
Net income (loss)	26,624	(95,940)	(50,012)
Less: Net income attributable to noncontrolling interest	1,190	155	2,353
Net income (loss) attributable to Fossil Group, Inc. , Basic	25,434	(96,095)	(52,365)
Net income (loss) attributable to Fossil Group, Inc., Diluted	25,434	(96,095)	(52,365)
Other comprehensive income (loss), net of taxes:
Currency translation adjustment	(14,423)	19,296	(5,606)
Cash flow hedges - net change	3,494	(2,133)	(5,599)
Pension plan activity	2,554	4,552	(4,719)
Total other comprehensive income (loss)	(8,375)	21,715	(15,924)
Total comprehensive income (loss)	18,249	(74,225)	(65,936)
Less: Comprehensive income attributable to noncontrolling interest	1,190	155	2,353
Comprehensive income (loss) attributable to Fossil Group, Inc.	$ 17,059	$ (74,380)	$ (68,289)
Earnings (loss) per share:
Basic (in dollars per share)	$ 0.49	$ (1.88)	$ (1.04)
Diluted (in dollars per share)	$ 0.48	$ (1.88)	$ (1.04)
Weighted average common shares outstanding:
Basic (in shares)	51,961	51,116	50,230
Diluted (in shares)	52,777	51,116	50,230