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SEGMENT INFORMATION - Schedule of Revenue Percentage By Product (Details) - Product Concentration Risk - Revenue Benchmark | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 27, 2025 | Sep. 28, 2024 | Sep. 27, 2025 | Sep. 28, 2024
USANA® Nutritionals |  |  |  |
Segment Information [Line Items] |  |  |  |
Concentration risk, percentage | 74.00% | 86.00% | 74.00% | 87.00%
USANA Foods |  |  |  |
Segment Information [Line Items] |  |  |  |
Concentration risk, percentage | 6.00% | 7.00% | 6.00% | 6.00%
Personal care and skincare |  |  |  |
Segment Information [Line Items] |  |  |  |
Concentration risk, percentage | 5.00% | 6.00% | 5.00% | 6.00%
Hiya nutritional supplements |  |  |  |
Segment Information [Line Items] |  |  |  |
Concentration risk, percentage | 14.00% | 0.00% | 14.00% | 0.00%
Other |  |  |  |
Segment Information [Line Items] |  |  |  |
Concentration risk, percentage | 1.00% | 1.00% | 1.00% | 1.00%

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