XML 39 R25.htm IDEA: XBRL DOCUMENT
v3.26.1

Summary of Significant Accounting Policies (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2026
Summary of Significant Accounting Policies [Abstract] |
Inventories, net | Inventories, net consist of the following (U.S. dollars in thousands):
|  | March 31, |  |  | December 31, |
|  | 2026 |  |  | 2025 |
Raw materials |  | $ | 93,511 |  |  | $ | 94,944 |
Finished goods |  |  | 85,089 |  |  |  | 83,699 |
Total inventory, net |  | $ | 178,600 |  |  | $ | 178,643 |
Inventory Reserves | Reserves of inventories consist of the following (U.S. dollars in thousands):
|  | Three Months Ended |
|  | March 31, |
|  | 2026 |  |  | 2025 |
Beginning balance |  | $ | 57,958 |  |  | $ | 84,006 |
Additions |  |  | 4,750 |  |  |  | 3,085 |
Write-offs |  |  | (12,533 | ) |  |  | (7,682 | )
Ending balance |  | $ | 50,175 |  |  | $ | 79,409 |

X
- Definition Tabular disclosure of valuation allowance to reduce inventory to net realizable value, including the beginning and ending balances, as well as a reconciliation by type of activity during the period. + References No definition available. + Details
Name: | nus_InventoryValuationAllowanceTableTextBlock
Namespace Prefix: | nus_
Data Type: | dtr:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483489/210-10-50-1 + Details
Name: | us-gaap_ScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration