XML 48 R34.htm IDEA: XBRL DOCUMENT
v3.20.4

Schedule II - Valuation and Qualifying Accounts (Tables) | 12 Months Ended
--- | ---
Jan. 02, 2021
Notes Tables |
Valuation Allowances and Reserves [Table Text Block] |
Description |  | Balance at beginning of period |  |  | Charged to costs and expenses |  |  | Deductions |  |  | Balance at end of period |
January 2, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for sales returns |  | $ | 772 |  |  | $ | 115 |  |  | $ | 68 |  |  | $ | 819 |
Allowance for doubtful accounts |  | $ | 261 |  |  | $ | 131 |  |  | $ | 20 |  |  | $ | 372 |
Valuation allowance - deferred tax assets |  | $ | 64,285 |  |  | $ | 17,116 |  |  | $ | - |  |  | $ | 81,401 |
December 28, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for sales returns |  | $ | 839 |  |  | $ | 168 |  |  | $ | 235 |  |  | $ | 772 |
Allowance for doubtful accounts |  | $ | 139 |  |  | $ | 146 |  |  | $ | 24 |  |  | $ | 261 |
Valuation allowance - deferred tax assets |  | $ | 44,199 |  |  | $ | 20,086 |  |  | $ | - |  |  | $ | 64,285 |
December 29, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for sales returns |  | $ | 632 |  |  | $ | 307 |  |  | $ | 100 |  |  | $ | 839 |
Allowance for doubtful accounts |  | $ | 325 |  |  | $ | 8 |  |  | $ | 194 |  |  | $ | 139 |
Valuation allowance - deferred tax assets |  | $ | 13,980 |  |  | $ | 30,219 |  |  | $ | - |  |  | $ | 44,199 |

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of a schedule of allowance and reserve accounts where the valuation and qualifying accounts are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References No definition available. + Details
Name: | usna_ValuationAllowancesAndReservesTableTextBlock
Namespace Prefix: | usna_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration