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Major Customer, Segment and Geographic Information (Revenue for Each Class of Similar Products) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017
Net sales for each class of similar products |  |  |
Percentage of Total | 100.00% | 100.00% | 100.00%
Net sales | $ 2,217,712 | $ 2,541,488 | $ 2,788,163
Watches |  |  |
Net sales for each class of similar products |  |  |
Percentage of Total | 81.30% | 80.00% | 78.90%
Net sales | $ 1,802,481 | $ 2,033,021 | $ 2,199,031
Leathers |  |  |
Net sales for each class of similar products |  |  |
Percentage of Total | 10.80% | 11.40% | 11.70%
Net sales | $ 238,619 | $ 289,385 | $ 325,502
Jewelry |  |  |
Net sales for each class of similar products |  |  |
Percentage of Total | 5.60% | 6.60% | 7.60%
Net sales | $ 123,177 | $ 167,775 | $ 211,694
Other |  |  |
Net sales for each class of similar products |  |  |
Percentage of Total | 2.30% | 2.00% | 1.80%
Net sales | $ 53,435 | $ 51,307 | $ 51,936

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + 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 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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