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Common Stock and Earnings Per Share (Tables) | 3 Months Ended
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Mar. 29, 2025
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Earnings Per Share | The following is a reconciliation of the numerator and denominator used to calculate basic EPS and diluted EPS for the periods indicated:
| Three Months Ended |  |
| March 29, 2025 |  | March 30, 2024 |  |  |  |
Net earnings attributable to USANA | $ | 9,402 |  |  | $ | 16,537 |  |  |  |  |
Weighted average common shares outstanding - basic | 19,049 |  | 19,174 |  |  |  |
Dilutive effect of in-the-money equity awards | 36 |  | 128 |  |  |  |
Weighted average common shares outstanding - diluted | 19,085 |  | 19,302 |  |  |  |
Earnings per common share from net earnings attributable to USANA: |  |  |  |  |  |  |
Basic | $ | 0.49 |  |  | $ | 0.86 |  |  |  |  |
Diluted | $ | 0.49 |  |  | $ | 0.86 |  |  |  |  |
Equity awards excluded as the impact was anti-dilutive | 465 |  | 385 |  |  |  |

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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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