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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. 03, 2021	Jul. 04, 2020	Jul. 03, 2021	Jul. 04, 2020
Net sales for each class of similar products
Net sales	$ 410,939	$ 259,009	$ 773,981	$ 649,727
Product Concentration | Revenue Benchmark
Net sales for each class of similar products
Percentage of Total	100.00%	100.00%	100.00%	100.00%
Watches
Net sales for each class of similar products
Net sales	$ 329,405	$ 209,499	$ 621,021	$ 519,425
Watches | Product Concentration | Revenue Benchmark
Net sales for each class of similar products
Percentage of Total	80.20%	80.90%	80.30%	79.90%
Leathers
Net sales for each class of similar products
Net sales	$ 33,347	$ 26,554	$ 67,451	$ 73,861
Leathers | Product Concentration | Revenue Benchmark
Net sales for each class of similar products
Percentage of Total	8.10%	10.30%	8.70%	11.40%
Jewelry
Net sales for each class of similar products
Net sales	$ 36,870	$ 15,206	$ 66,740	$ 38,422
Jewelry | Product Concentration | Revenue Benchmark
Net sales for each class of similar products
Percentage of Total	9.00%	5.90%	8.60%	5.90%
Other
Net sales for each class of similar products
Net sales	$ 11,317	$ 7,750	$ 18,769	$ 18,019
Other | Product Concentration | Revenue Benchmark
Net sales for each class of similar products
Percentage of Total	2.70%	2.90%	2.40%	2.80%

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