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COMMON STOCK AND EARNINGS PER SHARE (Tables) | 12 Months Ended
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Jan. 03, 2026
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following is a reconciliation of the numerator and denominator used to calculate basic EPS and diluted EPS for the periods indicated:
| Year Ended
| 2025 |  | 2024 |  | 2023
Net earnings attributable to USANA | $ | 10,760 |  |  | $ | 42,030 |  |  | $ | 63,788 |
Weighted average common shares outstanding - basic | 18,535 |  |  | 19,103 |  |  | 19,250 |
Dilutive effect of in-the-money equity awards | 39 |  |  | 59 |  |  | 95 |
Weighted average common shares outstanding - diluted | 18,574 |  |  | 19,162 |  |  | 19,345 |
Earnings per common share from net earnings attributable to USANA: |  |  |  |  |
Basic | $ | 0.58 |  |  | $ | 2.20 |  |  | $ | 3.31 |
Diluted | $ | 0.58 |  |  | $ | 2.19 |  |  | $ | 3.30 |
Anti-dilutive equity awards excluded from computation of diluted EPS attributable to USANA | 521 |  | 567 |  | 319

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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