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SEGMENT INFORMATION (Schedule of Net Sales for Each Class of Similar Products) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Net sales for each class of similar products
Net sales	$ 608,827	$ 688,722	$ 1,754,566	$ 1,867,358
Percentage of Total	100.00%	100.00%	100.00%	100.00%
Watches
Net sales for each class of similar products
Net sales	$ 486,538	$ 551,913	$ 1,397,143	$ 1,471,144
Percentage of Total	79.90%	80.10%	79.60%	78.80%
Leathers
Net sales for each class of similar products
Net sales	$ 66,036	$ 75,660	$ 203,215	$ 217,946
Percentage of Total	10.80%	11.00%	11.60%	11.70%
Jewelry
Net sales for each class of similar products
Net sales	$ 41,800	$ 47,729	$ 116,709	$ 139,900
Percentage of Total	6.90%	6.90%	6.70%	7.50%
Other
Net sales for each class of similar products
Net sales	$ 14,453	$ 13,420	$ 37,499	$ 38,368
Percentage of Total	2.40%	2.00%	2.10%	2.00%

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