XML 101 R84.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Income Taxes, Deferred Tax Asset Valuation Adjustments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Valuation Allowance [Roll Forward] |  |  |  |  |  |  |
Recognition of valuation allowance on foreign tax credit carryforwards |  | $ 11,900 |  |  |  | $ 9,800 |
Deferred Tax Asset Valuation Allowance [Member] |  |  |  |  |  |  |
Valuation Allowance [Roll Forward] |  |  |  |  |  |  |
Beginning balance |  | 67,340 |  | $ 77,042 |  | 68,697 |
Additions charged to cost and expenses |  | 12,674 | [1] | 2,154 | [2] | 10,913 | [3]
Decreases |  | 0 | [4] | (12,100) | [5] | (3,343) | [6]
Adjustments | [7] | 172 |  | 244 |  | 775 |
Ending balance |  | $ 80,186 |  | $ 67,340 |  | $ 77,042 |
[1] | Increase in valuation is due primarily to $11.9 million that was recorded on the foreign tax credit carryforward due to the disposal of the Companies Grow Tech segment. The additional amount is due to net operating losses in foreign markets.
[2] | Increase in valuation is due primarily to net operating losses in foreign markets.
[3] | Increase in valuation is due primarily to $9.8 million that was recorded on the foreign tax credit carryforward. The additional amount is due to net operating losses in foreign markets.
[4] | No decreases in 2021.
[5] | The decrease was due to the utilization of prior year foreign tax credits that had previously had a valuation allowance recorded against the asset.
[6] | The decrease was due primarily to the utilization of foreign tax credits, and expiration of foreign net operating losses.
[7] | Represents the net currency effects of translating valuation allowances at current rates of exchange.

X
- Definition Amount charged to expense to increase valuation allowance for foreign tax credit carryforwards pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. + References No definition available. + Details
Name: | nus_TaxCutsAndJobsActOf2017IncompleteAccountingValuationAllowanceOnForeignTaxCreditCarryforwards
Namespace Prefix: | nus_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_MovementInValuationAllowancesAndReservesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column C)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column D)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesDeductions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |