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Segment Information (Tables) | 12 Months Ended
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Dec. 30, 2017
Segment Information [Abstract] |
Schedule Of Revenue Percentage By Product |
﻿ |  |  |  |  |  |
﻿ |  | Year Ended
﻿ |  |  |  |  |  |
﻿ |  | 2015 |  | 2016 |  | 2017
﻿ |  |  |  |  |  |
﻿USANA® Nutritionals |  | 81% |  | 83% |  | 83%
﻿USANA Foods |  | 11% |  | 10% |  | 9%
﻿Sensé – beautiful science® |  | 7% |  | 6% |  | 6%
﻿ |  |  |  |  |  |
﻿
Schedule Of Revenues From External Customers By Geographical Areas |
﻿ |  |  |  |  |  |
﻿ |  | Year Ended
﻿ |  |  |  |  |  |
﻿ |  | 2015 |  | 2016 |  | 2017
﻿Net Sales to External Customers |  |  |  |  |  |
﻿Asia Pacific |  |  |  |  |  |
﻿Greater China |  | $ 441,284 |  | $ 502,299 |  | $ 546,777
﻿Southeast Asia Pacific |  | 183,828 |  | 206,124 |  | 205,289
﻿North Asia |  | 39,751 |  | 46,023 |  | 58,376
﻿Asia Pacific Total |  | 664,863 |  | 754,446 |  | 810,442
﻿ |  |  |  |  |  |
﻿Americas and Europe |  | 253,636 |  | 251,637 |  | 236,823
﻿ |  |  |  |  |  |
﻿Consolidated Total |  | $ 918,499 |  | $ 1,006,083 |  | $ 1,047,265
﻿ |  |  |  |  |  |
﻿
Schedule Of Long-Lived Assets By Geographic Region |
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ |  | December 31, |  | December 30, |
﻿ |  | 2016 |  | 2017 |
﻿Long-lived Assets |  |  |  |  |
﻿Asia Pacific |  |  |  |  |
﻿Greater China |  | $ 94,537 |  | $ 98,641 |
﻿Southeast Asia Pacific |  | 13,204 |  | 14,603 |
﻿North Asia |  | 1,884 |  | 1,908 |
﻿Asia Pacific Total |  | 109,625 |  | 115,152 |
﻿ |  |  |  |  |
﻿Americas and Europe |  | 64,864 |  | 61,099 |
﻿ |  |  |  |  |
﻿Consolidated Total |  | $ 174,489 |  | $ 176,251 |
﻿ |  |  |  |  |
﻿Total Assets |  |  |  |  |
﻿Asia Pacific |  |  |  |  |
﻿Greater China |  | $ 255,214 |  | $ 289,463 |
﻿Southeast Asia Pacific |  | 45,896 |  | 49,444 |
﻿North Asia |  | 9,646 |  | 13,234 |
﻿Asia Pacific Total |  | 310,756 |  | 352,141 |
﻿ |  |  |  |  |
﻿Americas and Europe |  | 159,886 |  | 167,128 |
﻿ |  |  |  |  |
﻿Consolidated Total |  | $ 470,642 |  | $ 519,269 |
﻿ |  |  |  |  |
﻿
Consolidated Net Sales And Long Lived Assets |
﻿ |  |  |  |  |  |  |
﻿ |  | Year Ended |
﻿ |  |  |  |  |  |  |
﻿ |  | 2015 |  | 2016 |  | 2017 |
﻿ |  |  |  |  |  |  |
﻿Net sales: |  |  |  |  |  |  |
﻿China |  | $ 371,737 |  | $ 437,386 |  | $ 482,965 |
﻿United States |  | $ 140,057 |  | $ 130,427 |  | $ 121,056 |
﻿ |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |
﻿Long-lived Assets: |  |  |  |  |  |  |
﻿China |  |  |  | $ 91,909 |  | $ 96,248 |
﻿United States |  |  |  | $ 63,654 |  | $ 59,589 |
﻿ |  |  |  |  |  |  |
﻿

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