Annual report [Section 13 and 15(d), not S-K Item 405]

SEGMENT INFORMATION - Schedule of Revenue Percentage By Product (Details)

v3.26.1
SEGMENT INFORMATION - Schedule of Revenue Percentage By Product (Details) - Product Concentration Risk - Revenue Benchmark
12 Months Ended
Jan. 03, 2026
Dec. 28, 2024
Dec. 30, 2023
USANA Nutritionals      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 74.00% 87.00% 87.00%
USANA Foods      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 5.00% 6.00% 7.00%
Personal care and skincare      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 5.00% 6.00% 5.00%
Hiya Nutritional Supplements      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 13.00% 0.00% 0.00%
Other      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 3.00% 1.00% 1.00%