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INCOME TAXES (Details 4) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014
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Commissions and transfer pricing |
Anticipated change in unrecognized tax benefits |
Change in unrecognized tax benefits within the next twelve months, minimum | $ 800us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeLowerBound / us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis = natr_CommissionsAndTransferPricingMember
Change in unrecognized tax benefits within the next twelve months, maximum | 1,200us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound / us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis = natr_CommissionsAndTransferPricingMember
Audits or the expiration of statutes of limitations in various foreign jurisdictions |
Anticipated change in unrecognized tax benefits |
Change in unrecognized tax benefits within the next twelve months, minimum | 100us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeLowerBound / us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis = natr_CloseOfAuditsOrExpirationOfStatutesOfLimitationsInForeignJurisdictionsMember
Change in unrecognized tax benefits within the next twelve months, maximum | $ 300us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound / us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis = natr_CloseOfAuditsOrExpirationOfStatutesOfLimitationsInForeignJurisdictionsMember

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- Definition The estimated lower bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken. + 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 (d) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition The estimated upper bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken. + 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 (d) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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