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SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Jan. 03, 2026
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS | USANA HEALTH SCIENCES, INC. AND SUBSIDIARIES SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS (in thousands)
Description |  | Balance at beginning of period |  | Charged to costs and expenses |  | Deductions |  | Balance at end of period |
January 3, 2026 |  |  |  |  |  |  |  |  |
Allowance for sales returns |  | $ | 298 |  |  | $ | 7,490 |  |  | $ | 7,467 |  |  | $ | 321 |  |
Allowance for credit losses |  | 221 |  |  | 3 |  |  | 87 |  |  | 137 |  |
Valuation allowance - deferred tax assets |  | 156,105 |  |  | 22,565 |  |  | — |  |  | 178,670 |  |
December 28, 2024 |  |  |  |  |  |  |  |  |
Allowance for sales returns |  | $ | 420 |  |  | $ | 5,185 |  |  | $ | 5,307 |  |  | $ | 298 |  |
Allowance for credit losses |  | 421 |  |  | — |  |  | 200 |  |  | 221 |  |
Valuation allowance - deferred tax assets |  | 137,252 |  |  | 18,853 |  |  | — |  |  | 156,105 |  |
December 30, 2023 |  |  |  |  |  |  |  |  |
Allowance for sales returns |  | $ | 572 |  |  | $ | 5,552 |  |  | $ | 5,704 |  |  | $ | 420 |  |
Allowance for credit losses |  | 363 |  |  | 112 |  |  | 54 |  |  | 421 |  |
Valuation allowance - deferred tax assets |  | 118,136 |  |  | 19,116 |  |  | — |  |  | 137,252 |  |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
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- References No definition available. + Details
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