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SEGMENT INFORMATION - Reconciliation of Earnings From Operations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 03, 2026 | Dec. 28, 2024 | Dec. 30, 2023
Segment Reporting Information [Line Items] |  |  |
Net Sales | $ 925,257 | $ 854,503 | $ 921,010
Cost of sales | 200,852 | 161,212 | 176,693
Brand Partner incentives | 336,171 | 363,699 | 394,257
Selling, general and administrative | 337,372 | 263,268 | 256,989
Impairment | 6,967 | 0 | 0
Cost realignment | 6,463 | 0 | 0
Earnings from operations | 37,432 | 66,324 | 93,071
Interest income | 2,415 | 11,319 | 9,637
Interest expense | (842) | (281) | (262)
Other, net | 2,522 | (1,011) | 7
Earnings before income taxes | 41,527 | 76,351 | 102,453
Amortization of intangible assets, total | 19,318 | 1,516 | 1,835
Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Impairment | 577 |  |
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Net Sales | 925,257 | 854,503 | 921,010
Cost of sales | 200,852 | 161,212 | 176,693
Brand Partner incentives | 336,171 | 363,699 | 394,257
Selling, general and administrative | 337,372 | 263,268 | 256,989
Impairment | 6,967 |  |
Cost realignment | 6,463 |  |
Earnings from operations | 37,432 | 66,324 | 93,071
Operating Segments | Core nutritional |  |  |
Segment Reporting Information [Line Items] |  |  |
Net Sales | 775,452 | 845,789 | 915,212
Cost of sales | 141,847 | 157,094 | 173,432
Brand Partner incentives | 335,631 | 363,183 | 393,932
Selling, general and administrative | 244,614 | 254,733 | 251,495
Impairment | 6,390 |  |
Cost realignment | 6,463 |  |
Earnings from operations | 40,507 | 70,779 | 96,353
Operating Segments | Hiya direct-to-consumer |  |  |
Segment Reporting Information [Line Items] |  |  |
Net Sales | 131,971 | 1,970 |
Cost of sales | 46,384 | 598 |
Brand Partner incentives | 0 | 0 |
Selling, general and administrative | 82,181 | 1,226 |
Impairment | 0 |  |
Cost realignment | 0 |  |
Earnings from operations | 3,406 | 146 |
Amortization of intangible assets, total | 18,170 | 294 |
Operating Segments | Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Net Sales | 17,834 | 6,744 | 5,798
Cost of sales | 12,621 | 3,520 | 3,261
Brand Partner incentives | 540 | 516 | 325
Selling, general and administrative | 10,577 | 7,309 | 5,494
Impairment | 577 |  |
Cost realignment | 0 |  |
Earnings from operations | (6,481) | (4,601) | (3,282)
Amortization of intangible assets, total | 1,244 | 1,180 | 1,180
Intersegment Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Net Sales | $ 14,091 | $ 2,087 | $ 1,425

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