XML 79 R60.htm IDEA: XBRL DOCUMENT
v2.4.1.9

INCOME TAXES (Details 3) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Income Taxes |  |  |
Unused operating loss carryovers of foreign subsidiaries for tax purposes | $ 5,824us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign | $ 5,593us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign |
Foreign tax and withholding credits | 12,591us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign | 4,066us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign |
Unrecognized tax benefits |  |  |
Outstanding balance for liabilities related to unrecognized tax benefits, which if recognized, would affect the effective tax rate | 6,598us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate | 12,402us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate |
Interest and penalties included in the outstanding balance for liabilities related to unrecognized tax benefits | 1,648us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | 1,352us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |
Increase (decrease) in interest and penalties | 297natr_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpensePeriodIncreaseDecrease | 300natr_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpensePeriodIncreaseDecrease |
Increase in liability for unrecognized tax benefits | 2,261natr_UnrecognizedTaxBenefitsIncreaseInPeriod | 2,656natr_UnrecognizedTaxBenefitsIncreaseInPeriod | 3,471natr_UnrecognizedTaxBenefitsIncreaseInPeriod
Interest expense and penalties included in increase in liability for unrecognized tax benefits | 326us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | 300us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | 339us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Benefit related to the lapse of applicable statute of limitations | 273natr_IncomeTaxBenefitResultingFromLapseOfApplicableStatuteOfLimitations | 323natr_IncomeTaxBenefitResultingFromLapseOfApplicableStatuteOfLimitations | 2,815natr_IncomeTaxBenefitResultingFromLapseOfApplicableStatuteOfLimitations
Reconciliation of the beginning and ending amount of liabilities associated with uncertain tax benefits, excluding interest and penalties |  |  |
Unrecognized tax benefits, opening balance | 11,050natr_UnrecognizedTaxBenefitsExcludingInterestAndPenalties | 9,519natr_UnrecognizedTaxBenefitsExcludingInterestAndPenalties | 8,966natr_UnrecognizedTaxBenefitsExcludingInterestAndPenalties
Settlement of liability reclassified as income tax payable | (591)natr_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementOfLiabilityReclassifiedAsIncomeTaxPayable | (10)natr_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementOfLiabilityReclassifiedAsIncomeTaxPayable |
Payments on liability |  |  | (15)natr_UnrecognizedTaxBenefitsDecreasesResultingFromPaymentsOnLiability
Tax positions taken in a prior period |  |  |
Gross increases |  |  | 1,120us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
Gross decreases | (6,614)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions | (184)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions | (504)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
Tax positions taken in the current period |  |  |
Gross increases | 1,934us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions | 2,356us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions | 2,011us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
Lapse of applicable statute of limitations | (244)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations | (323)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations | (2,068)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
Currency translation adjustments | (585)natr_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromForeignCurrencyTranslation | (308)natr_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromForeignCurrencyTranslation | 9natr_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromForeignCurrencyTranslation
Unrecognized tax benefits, ending balance | $ 4,950natr_UnrecognizedTaxBenefitsExcludingInterestAndPenalties | $ 11,050natr_UnrecognizedTaxBenefitsExcludingInterestAndPenalties | $ 9,519natr_UnrecognizedTaxBenefitsExcludingInterestAndPenalties

X
- Definition Represents the income tax benefit resulting from lapse of applicable statute of limitations. + References No definition available. + Details
Name: | natr_IncomeTaxBenefitResultingFromLapseOfApplicableStatuteOfLimitations
Namespace Prefix: | natr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | natr_UnrecognizedTaxBenefitsCurrentPeriodTaxPositionsAbstract
Namespace Prefix: | natr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The gross amount of decreases in unrecognized tax benefits resulting from payments on liability. + References No definition available. + Details
Name: | natr_UnrecognizedTaxBenefitsDecreasesResultingFromPaymentsOnLiability
Namespace Prefix: | natr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The gross amount of decreases in unrecognized tax benefits resulting from settlement of liability reclassified as income tax payable. + References No definition available. + Details
Name: | natr_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementOfLiabilityReclassifiedAsIncomeTaxPayable
Namespace Prefix: | natr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date, excluding interest and penalties. + References No definition available. + Details
Name: | natr_UnrecognizedTaxBenefitsExcludingInterestAndPenalties
Namespace Prefix: | natr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the amount of increase (decrease) in interest expense and penalties related to unrecognized tax benefits during the period. + References No definition available. + Details
Name: | natr_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpensePeriodIncreaseDecrease
Namespace Prefix: | natr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the gross amount of increase in liability for unrecognized tax benefits during the period. + References No definition available. + Details
Name: | natr_UnrecognizedTaxBenefitsIncreaseInPeriod
Namespace Prefix: | natr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Gross amount of increases (decreases) in unrecognized tax benefits resulting from foreign currency translation. + References No definition available. + Details
Name: | natr_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromForeignCurrencyTranslation
Namespace Prefix: | natr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | natr_UnrecognizedTaxBenefitsPriorPeriodTaxPositionsAbstract
Namespace Prefix: | natr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
Name: | us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
Name: | us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeTaxUncertaintiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant