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Major Customer, Segment and Geographic Information - Revenue for Each Class of Similar Products (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Net sales for each class of similar products
Percentage of total	100.00%	100.00%	100.00%
Net sales	$ 1,613,343	$ 2,217,712	$ 2,541,488
Watches
Net sales for each class of similar products
Percentage of total	80.60%	81.30%	80.00%
Net sales	$ 1,299,846	$ 1,802,481	$ 2,033,021
Leathers
Net sales for each class of similar products
Percentage of total	10.70%	10.80%	11.40%
Net sales	$ 173,621	$ 238,619	$ 289,385
Jewelry
Net sales for each class of similar products
Percentage of total	6.40%	5.60%	6.60%
Net sales	$ 102,917	$ 123,177	$ 167,775
Other
Net sales for each class of similar products
Percentage of total	2.30%	2.30%	2.00%
Net sales	$ 36,959	$ 53,435	$ 51,307

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