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SEGMENT INFORMATION (Schedule of Net Sales for Each Class of Similar Products) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Net sales for each class of similar products
Net sales	$ 576,583	$ 596,846	$ 1,145,739	$ 1,178,636
Percentage of Total	100.00%	100.00%	100.00%	100.00%
Watches
Net sales for each class of similar products
Net sales	$ 462,990	$ 469,461	$ 910,605	$ 919,231
Percentage of Total	80.30%	78.60%	79.50%	78.00%
Leathers
Net sales for each class of similar products
Net sales	$ 67,920	$ 69,597	$ 137,179	$ 142,286
Percentage of Total	11.80%	11.70%	12.00%	12.10%
Jewelry
Net sales for each class of similar products
Net sales	$ 33,104	$ 44,285	$ 74,909	$ 92,171
Percentage of Total	5.70%	7.40%	6.50%	7.80%
Other
Net sales for each class of similar products
Net sales	$ 12,569	$ 13,503	$ 23,046	$ 24,948
Percentage of Total	2.20%	2.30%	2.00%	2.10%

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-Name Accounting Standards Codification
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