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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
CONSOLIDATED STATEMENTS OF OPERATIONS |  |
Net sales revenue | $ 83,878 us-gaap_SalesRevenueNet | $ 93,467 us-gaap_SalesRevenueNet
Cost of sales | (21,881)us-gaap_CostOfGoodsAndServicesSold | (22,581)us-gaap_CostOfGoodsAndServicesSold
Gross profit | 61,997 us-gaap_GrossProfit | 70,886 us-gaap_GrossProfit
Operating expenses: |  |
Volume incentives | 30,337 natr_VolumeIncentives | 34,893 natr_VolumeIncentives
Selling, general and administrative | 26,330 us-gaap_SellingGeneralAndAdministrativeExpense | 29,152 us-gaap_SellingGeneralAndAdministrativeExpense
Operating income | 5,330 us-gaap_OperatingIncomeLoss | 6,841 us-gaap_OperatingIncomeLoss
Other income (loss), net | (318)us-gaap_OtherNonoperatingIncomeExpense | (262)us-gaap_OtherNonoperatingIncomeExpense
Income before provision (benefit) for income taxes | 5,012 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 6,579 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Provision (benefit) for income taxes | 809 us-gaap_IncomeTaxExpenseBenefit | (3,657)us-gaap_IncomeTaxExpenseBenefit
Net income from continuing operations | 4,203 us-gaap_IncomeLossFromContinuingOperations | 10,236 us-gaap_IncomeLossFromContinuingOperations
Income (loss) from discontinued operations | 1,312 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | (571)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Net income | 5,515 us-gaap_ProfitLoss | 9,665 us-gaap_ProfitLoss
Net loss attributable to noncontrolling interests | (152)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
Net income attributable to common shareholders | $ 5,667 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 9,665 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Basic: |  |
Net income from continuing operations (in dollars per share) | $ 0.23 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ 0.63 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Income (loss) from discontinued operations (in dollars per share) | $ 0.07 us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare | $ (0.03)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare
Net income attributable to common shareholders (in dollars per share) | $ 0.30 us-gaap_EarningsPerShareBasic | $ 0.60 us-gaap_EarningsPerShareBasic
Diluted: |  |
Net income from continuing operations (in dollars per share) | $ 0.22 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ 0.61 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Income (loss) from discontinued operations (in dollars per share) | $ 0.07 us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare | $ (0.03)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare
Net income attributable to common shareholders (in dollars per share) | $ 0.30 us-gaap_EarningsPerShareDiluted | $ 0.58 us-gaap_EarningsPerShareDiluted
Weighted average basic common shares outstanding (in shares) | 18,621 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 16,179 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Weighted average diluted common shares outstanding (in shares) | 19,192 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 16,618 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Dividends declared per common share (in dollars per share) | $ 0.10 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.10 us-gaap_CommonStockDividendsPerShareDeclared

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 + Details
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1,2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 + Details
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