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Note L - Segment Information (Tables) | 12 Months Ended
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Jan. 01, 2022
Notes Tables |
Revenue from External Customers by Products and Services [Table Text Block] |
|  | Year Ended |
|  | 2021 |  |  | 2020 |  |  | 2019 |
USANA Nutritionals |  | 86% |  |  | 85% |  |  | 83% |
USANA Foods |  | 7% |  |  | 7% |  |  | 8% |
Personal care and Skincare (1) |  | 6% |  |  | 7% |  |  | 8% |
All Other |  | 1% |  |  | 1% |  |  | 1% |
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] |
|  | Year Ended |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Net Sales to External Customers |  |  |  |  |  |  |  |  |  |  |  |
Asia Pacific |  |  |  |  |  |  |  |  |  |  |  |
Greater China |  | $ | 563,469 |  |  | $ | 530,505 |  |  | $ | 535,995 |
Southeast Asia Pacific |  |  | 269,803 |  |  |  | 269,555 |  |  |  | 220,085 |
North Asia |  |  | 129,920 |  |  |  | 114,964 |  |  |  | 96,187 |
Asia Pacific Total |  |  | 963,192 |  |  |  | 915,024 |  |  |  | 852,267 |
Americas and Europe |  |  | 223,272 |  |  |  | 219,620 |  |  |  | 208,635 |
Consolidated Total |  | $ | 1,186,464 |  |  | $ | 1,134,644 |  |  | $ | 1,060,902 |
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] |
|  | January 1, |  |  | January 2, |
|  | 2022 |  |  | 2021 |
Long-lived Assets |  |  |  |  |  |  |  |
Asia Pacific |  |  |  |  |  |  |  |
Greater China |  | $ | 95,965 |  |  | $ | 96,570 |
Southeast Asia Pacific |  |  | 15,394 |  |  |  | 18,662 |
North Asia |  |  | 7,395 |  |  |  | 9,813 |
Asia Pacific Total |  |  | 118,754 |  |  |  | 125,045 |
Americas and Europe |  |  | 89,030 |  |  |  | 85,916 |
Consolidated Total |  | $ | 207,784 |  |  | $ | 210,961 |
Total Assets |  |  |  |  |  |  |  |
Asia Pacific |  |  |  |  |  |  |  |
Greater China |  | $ | 274,002 |  |  | $ | 272,607 |
Southeast Asia Pacific |  |  | 62,332 |  |  |  | 72,167 |
North Asia |  |  | 25,592 |  |  |  | 24,535 |
Asia Pacific Total |  |  | 361,926 |  |  |  | 369,309 |
Americas and Europe |  |  | 215,814 |  |  |  | 271,578 |
Consolidated Total |  | $ | 577,740 |  |  | $ | 640,887 |
|  | Year Ended |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Net sales: |  |  |  |  |  |  |  |  |  |  |  |
China |  | $ | 506,103 |  |  | $ | 470,177 |  |  | $ | 471,165 |
South Korea |  | $ | 125,835 |  |  | $ | 110,807 |  |  | $ | 92,919 |
Long-lived Assets: |  |  |  |  |  |  |  |  |  |  |  |
China |  | $ | 91,530 |  |  | $ | 92,692 |  |  |  |  |
United States |  | $ | 85,350 |  |  | $ | 82,167 |  |  |  |  |

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- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 + Details
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