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Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2016
Segment Information [Abstract] |
Schedule Of Revenue Percentage By Product |
﻿ |  |  |  |  |  |
﻿ |  | Year Ended
﻿ |  |  |  |  |  |
﻿ |  | 2014 |  | 2015 |  | 2016
﻿ |  |  |  |  |  |
﻿USANA® Nutritionals |  | 79% |  | 81% |  | 83%
﻿USANA Foods |  | 13% |  | 11% |  | 10%
﻿Sensé – beautiful science® |  | 7% |  | 7% |  | 6%
﻿ |  |  |  |  |  |
﻿
Schedule Of Revenues From External Customers By Geographical Areas |
﻿ |  |  |  |  |  |
﻿ |  | Year Ended
﻿ |  |  |  |  |  |
﻿ |  | 2014 |  | 2015 |  | 2016
﻿Net Sales to External Customers |  |  |  |  |  |
﻿Asia Pacific |  |  |  |  |  |
﻿Greater China |  | $ 326,134 |  | $ 441,284 |  | $ 502,299
﻿Southeast Asia Pacific |  | 177,940 |  | 183,828 |  | 206,124
﻿North Asia |  | 32,667 |  | 39,751 |  | 46,023
﻿Asia Pacific Total |  | 536,741 |  | 664,863 |  | 754,446
﻿ |  |  |  |  |  |
﻿Americas and Europe |  | 253,730 |  | 253,636 |  | 251,637
﻿ |  |  |  |  |  |
﻿Consolidated Total |  | $ 790,471 |  | $ 918,499 |  | $ 1,006,083
﻿ |  |  |  |  |  |
﻿
Schedule Of Long-Lived Assets By Geographic Region |
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ |  | January 2, |  | December 31, |
﻿ |  | 2016 |  | 2016 |
﻿Long-lived Assets |  |  |  |  |
﻿Asia Pacific |  |  |  |  |
﻿Greater China |  | $ 94,792 |  | $ 94,537 |
﻿Southeast Asia Pacific |  | 13,463 |  | 13,204 |
﻿North Asia |  | 1,938 |  | 1,884 |
﻿Asia Pacific Total |  | 110,193 |  | 109,625 |
﻿ |  |  |  |  |
﻿Americas and Europe |  | 58,936 |  | 64,864 |
﻿ |  |  |  |  |
﻿Consolidated Total |  | $ 169,129 |  | $ 174,489 |
﻿ |  |  |  |  |
﻿Total Assets |  |  |  |  |
﻿Asia Pacific |  |  |  |  |
﻿Greater China |  | $ 231,018 |  | $ 255,214 |
﻿Southeast Asia Pacific |  | 40,038 |  | 45,896 |
﻿North Asia |  | 6,695 |  | 9,646 |
﻿Asia Pacific Total |  | 277,751 |  | 310,756 |
﻿ |  |  |  |  |
﻿Americas and Europe |  | 145,486 |  | 159,886 |
﻿ |  |  |  |  |
﻿Consolidated Total |  | $ 423,237 |  | $ 470,642 |
﻿ |  |  |  |  |
﻿
Consolidated Net Sales And Long Lived Assets |
﻿ |  |  |  |  |  |  |
﻿ |  | Year Ended |
﻿ |  |  |  |  |  |  |
﻿ |  | 2014 |  | 2015 |  | 2016 |
﻿ |  |  |  |  |  |  |
﻿Net sales: |  |  |  |  |  |  |
﻿China |  | $ 216,842 |  | $ 371,737 |  | $ 437,386 |
﻿United States |  | $ 140,457 |  | $ 140,057 |  | $ 130,427 |
﻿ |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |
﻿Long-lived Assets: |  |  |  |  |  |  |
﻿China |  |  |  | $ 92,835 |  | $ 91,909 |
﻿United States |  |  |  | $ 57,797 |  | $ 63,654 |
﻿ |  |  |  |  |  |  |
﻿

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