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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
	Jul. 04, 2020	Jun. 29, 2019	Jul. 04, 2020	Jun. 29, 2019
Net sales for each class of similar products
Net sales	$ 259,009	$ 501,393	$ 649,727	$ 966,661
Percentage of Total	100.00%	100.00%	100.00%	100.00%
Watches
Net sales for each class of similar products
Net sales	$ 209,499	$ 413,285	$ 519,425	$ 779,463
Percentage of Total	80.90%	82.40%	79.90%	80.60%
Leathers
Net sales for each class of similar products
Net sales	$ 26,554	$ 52,630	$ 73,861	$ 106,534
Percentage of Total	10.30%	10.50%	11.40%	11.00%
Jewelry
Net sales for each class of similar products
Net sales	$ 15,206	$ 20,786	$ 38,422	$ 51,946
Percentage of Total	5.90%	4.20%	5.90%	5.40%
Other
Net sales for each class of similar products
Net sales	$ 7,750	$ 14,692	$ 18,019	$ 28,718
Percentage of Total	2.90%	2.90%	2.80%	3.00%

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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