Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Diluted shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Share-based awards (in shares) Dilutive Securities Excluded from Computation of Earnings Represents potentially dilutive securities excluded from diluted per share amounts. It includes performance-based options to purchase shares of common stock which will not vest until certain earnings metrics have been achieved. Statistical Measurement [Domain] Statistical Measurement [Domain] Value-added tax assessments and other civil litigation Value Added Tax Assessments And Other Civil Litigation [Member] Represents information pertaining to value added tax assessments and other civil litigation in which the entity is involved. Asia Asia Segment [Member] Asia Segment [Member] Title of 12(b) Security Title of 12(b) Security Net income attributable to common shareholders Net Income (Loss) Available to Common Stockholders, Diluted Document Fiscal Year Focus Document Fiscal Year Focus Latin America and Other Latin America And Other Segment [Member] Latin America And Other Segment [Member] Adjustment to Compensation, Amount Adjustment to Compensation Amount Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Segment Reporting [Abstract] Segment Reporting [Abstract] Personal care Personal Care Products [Member] Represents the information pertaining to personal care products of the entity. Schedule of Fair Value Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Common stock, no par value, 50,000 shares authorized, 17,614 and 17,508 shares issued and outstanding, respectively Common Stock, Value, Issued Payments related to tax withholding for net-share settled equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Non-Income Tax Contingencies Non Income Tax [Member] Represents information pertaining to non-income tax matters, including value-added taxes. Accrued liabilities Loss Contingency Accrual Restatement Determination Date Restatement Determination Date Amendment Flag Amendment Flag Current liabilities: Liabilities, Current [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding General health General Health Products [Member] Represents information pertaining to general health products of the entity. Loss Contingencies [Table] Loss Contingencies [Table] Number of joint ventures Number Of Joint Ventures Number Of Joint Ventures Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Property, plant and equipment Property, Plant, and Equipment [Abstract] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Restricted stock units outstanding, beginning balance (in shares) Restricted stock units outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Weighted average basic common shares outstanding (in shares) Basic weighted average shares outstanding (in shares) Basic weighted-average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Commitments and contingencies Loss Contingencies [Line Items] Number of reportable business segments Number of Reportable Segments Total current liabilities Liabilities, Current Work in process Inventory, Work in Process, Net of Reserves Entity Address, City or Town Entity Address, City or Town Pending Litigation Pending Litigation [Member] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Title of Individual [Domain] Title and Position [Domain] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Issued (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net income attributable to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Level 2 - Significant Other Observable Inputs Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] United States UNITED STATES Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Depreciation and amortization: Depreciation, Depletion and Amortization [Abstract] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Schedule of Reportable Business Segment Information Segment Reporting [Table Text Block] Noncontrolling Interest Noncontrolling Interest [Member] Use of Estimates Use of Estimates, Policy [Policy Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Principal payments of revolving credit facility Repayments of Lines of Credit Income taxes payable Increase (Decrease) in Income Taxes Payable Document Period End Date Document Period End Date Changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Forfeited or canceled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Time-Based Restricted Stock Units (RSUs), 1-year Vesting Time-Based Restricted Stock Units (RSUs), 1-year Vesting [Member] Time-Based Restricted Stock Units (RSUs) [Member] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Liability related to unrecognized tax benefits Unrecognized Tax Benefits Security Exchange Name Security Exchange Name Increase in noncontrolling interest Noncontrolling Interest, Period Increase (Decrease) Taiwan TAIWAN Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Share-based compensation expense Shares Issued, Value, Share-Based Payment Arrangement, before Forfeiture Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Current portion of operating lease liabilities Operating Lease, Liability, Current Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Net Income Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Basic and diluted net income per common share: Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Table Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Unrecognized share-based compensation expense Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Income taxes payable Accrued Income Taxes, Current Company Selected Measure Name Company Selected Measure Name Operating income margin, three (percentage) Share Based Compensation Arrangement by Share Based Payment Award, Operating Margins, Three Represents the three operating margin percentage to be achieved for the vesting of stock options. Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Operating income margin, one (percentage) Share Based Compensation Arrangement by Share Based Payment Award, Operating Margins, One Represents the first operating margin percentage to be achieved for the vesting of stock options. Joint venture ownership Subsidiary, Ownership Percentage, Parent Operating income margin, two (percentage) Share Based Compensation Arrangement by Share Based Payment Award, Operating Margins, Two Represents the second operating margin percentage to be achieved for the vesting of stock options. Credit Facility [Domain] Credit Facility [Domain] CASH FLOWS FROM OPERATING ACTIVITIES: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Weighted average diluted common shares outstanding (in shares) Diluted weighted-average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Proceeds from revolving credit facility Proceeds from Lines of Credit Europe Europe Segment [Member] Europe Segment [Member] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Gross profit Gross Profit Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Award Timing Predetermined Award Timing Predetermined [Flag] Intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Level 1 - Quoted Prices in Active Markets for Identical Assets Fair Value, Inputs, Level 1 [Member] Total Shareholder Return, Performance Based Restricted Stock Units Total Shareholder Return, Performance Based Restricted Stock Units [Member] Total Shareholder Return, Performance Based Restricted Stock Units Provision for income taxes, as a percentage of income before income taxes Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Litigation Status [Domain] Litigation Status [Domain] Stock-based awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Restricted stock units outstanding, beginning balance (in dollars per share) Restricted stock units outstanding, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] Lease liabilities Increase (Decrease) in Operating Lease Liability Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Plan Name [Domain] Plan Name [Domain] Options outstanding at the beginning of the period (in dollars per share) Options outstanding at the end of the period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Other All Other [Member] All Other Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Capital Transactions Shareholders' Equity and Share-Based Payments [Text Block] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Segment Information Segment Reporting [Text Block] Restricted Investment Securities - Trading Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Minimum Minimum [Member] Long-term line of credit Long-Term Line of Credit Expiration Date Trading Arrangement Expiration Date Effect of exchange rates on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Total shareholders’ equity Beginning balance Ending balance Noncontrolling interest outstanding Equity, Including Portion Attributable to Noncontrolling Interest Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Estimate of possible loss Loss Contingency, Estimate of Possible Loss Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Performance-Based Restricted Stock Units (RSUs) Performance-Based Restricted Stock Units (RSUs) [Member] Performance-Based Restricted Stock Units (RSUs) [Member] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, no par value (in dollars per share) Common Stock, No Par Value Scheduled of Restricted Stock Unit Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Exercise Price Award Exercise Price CASH FLOWS FROM INVESTING ACTIVITIES: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Litigation Status [Axis] Litigation Status [Axis] Segment information Segment Reporting [Line Items] Stock repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Long-Lived Asset Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Long-Lived Asset [Table Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Adoption Date Trading Arrangement Adoption Date Share repurchase program, additional amount authorized Share Repurchase Program, Additional Shares Authorized, Amount Share Repurchase Program, Additional Shares Authorized, Amount Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Options outstanding (in shares) Options outstanding at the beginning of the period (in shares) Options outstanding at the end of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Accounts receivable, allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Prepaid expenses and other Prepaid Expense and Other Assets, Current Deferred income taxes Deferred Income Tax Expense (Benefit) Selling, general and administrative Selling, General and Administrative Expense Forfeited or canceled (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Number of operating segments Number of Operating Segments Share-based awards (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount RSUs Restricted Stock Units (RSUs) [Member] Entity Central Index Key Entity Central Index Key All Adjustments to Compensation All Adjustments to Compensation [Member] Unallocated corporate selling, general and administrative expense Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Adjusted EBITDA Performance-Based Restricted Stock Units Adjusted EBITDA Performance Based Restricted Stock Units [Member] Adjusted EBITDA Performance Based Restricted Stock Units Income Statement [Abstract] Income Statement [Abstract] Shareholders’ equity: Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Ownership [Axis] Ownership [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Realized and unrealized gains on investments Gain (Loss) on Investments Operating expenses: Operating Expenses [Abstract] Deferred income tax assets Deferred Income Tax Assets, Net Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Margin on variable rate Debt Instrument, Basis Spread on Variable Rate City Area Code City Area Code Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Weight management Weight Management Products [Member] Represents information pertaining to weight management products of the entity. Non-cash lease expense Operating Lease, Right-of-Use Asset, Periodic Reduction Schedule of Consolidated Net Sales Revenue by Geographical Locations Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue [Table Text Block] Name Forgone Recovery, Individual Name Finished goods Inventory, Finished Goods, Net of Reserves Weighted-average period over which the remaining compensation cost is expected to be recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Statement [Line Items] Statement [Line Items] Total assets Assets Shares of common stock reserved for issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Operating Segments Operating Segments [Member] Weighted-average grant date fair value (in dollars per share) Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Interest expense Interest Expense, Nonoperating Other assets Increase (Decrease) in Other Operating Assets PEO PEO [Member] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Refund period Revenue From Contract With Customer, Refund Period Revenue From Contract With Customer, Refund Period Share-based compensation expense Share-Based Payment Arrangement, Expense Other liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Exercised (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Interest and other income, net Interest and Other Income (Expense), Net Interest and Other Income (Expense), Net Number of principal categories of products Number of Principal Categories of Products Number of Principal Categories of Products Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Retained Earnings Retained Earnings [Member] Long-term portion of operating lease liabilities Operating Lease, Liability, Noncurrent Revolving credit facility Revolving Credit Facility [Member] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Shareholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Diluted earnings per share attributable to common shareholders (in dollars per share) Diluted earnings (loss) per share attributable to common shareholders (in dollars per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Exercised (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Options Exercised Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Options Exercised Weighted Average Grant Date Fair Value Ownership [Domain] Ownership [Domain] Deferred compensation payable Deferred Compensation Liability, Classified, Noncurrent Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] CASH FLOWS FROM FINANCING ACTIVITIES: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Net sales Revenue from Contract with Customer, Excluding Assessed Tax Property, plant and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Restriction period for issuance of shares Restriction Period for Issuance of Shares Represents the restriction period before shares will be issued related to a share-based compensation plan. Annual commitment fee Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Accrued volume incentives and service fees Increase (Decrease) in Accrued Volume Incentives and Service Fees This element represents the net increase or decrease in payables that are related to accrued volume incentives, during the reporting period. Inventories Inventory Disclosure [Text Block] Minimum withholding requirements (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Minimum Withholding Requirements Represents the minimum number of shares paid on behalf of the entity's employees per statutory withholding requirements. Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Revenue Recognition Revenue from Contract with Customer [Text Block] Shares issued from the exercise of stock options and vesting of restricted stock units, net of shares exchanged for withholding tax Stock Issued During Period, Value, Stock Options and Restricted Stock Exercised Value of stock issued as a result of the exercise of stock options and issuance of restricted stock units. Nonvested subject to restriction period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested Subject to Restriction Period, Number The number of non-vested equity-based payment instruments subject to restriction period, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Inventories Increase (Decrease) in Inventories Segment Reporting [Table] Segment Reporting [Table] Title of Individual [Axis] Title and Position [Axis] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Other income (expense): Other Nonoperating Income (Expense) [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating income Operating Income (Loss) Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Dilutive shares excluded from diluted-per-share amounts: Dilutive Securities Excluded from Computation of Earnings Per Share [Abstract] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Anti-dilutive shares excluded from diluted-per-share amounts: Antidilutive Securities Excluded from Computation of Dilutive Earnings Per Share [Abstract] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Shares issued from the exercise of stock options and vesting of restricted stock units, net of shares exchanged for withholding tax (in shares) Stock Issued During Period, Shares, Stock Options and Restricted Stock Exercised Number of share options (or share units) exercised, and issuance of restricted stock units during the current period. Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted Average Exercise Price Per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Volume incentives Volume Incentives This element represents the expenses that are related to incentives on volume sales, during the reporting period by the entity. Equity Components [Axis] Equity Components [Axis] Accounts receivable Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Cash paid for income taxes, net of refunds Income Tax Paid, after Refund Received Entity Interactive Data Current Entity Interactive Data Current Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Digestive Digestive Products [Member] Represents information pertaining to digestive products of the entity. Deferred income tax liabilities Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Termination Date Trading Arrangement Termination Date Noncontrolling Interest [Table] Noncontrolling Interest [Table] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Liability related to unrecognized tax benefits Liability for Uncertainty in Income Taxes, Noncurrent Other assets Other Assets, Noncurrent Document Type Document Type Fair value Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Liability related to unrecognized tax benefits Increase (Decrease) in Liability Related to Unrecognized Tax Positions This element represents the net changes in liability that are related to gross amount of unrecognized tax benefits (tax reductions recognized in financial reports but excluded from tax returns), which pertain to uncertain tax positions taken in tax returns, as of the ending balance sheet date, which excludes amounts that pertain to examined tax returns. Accrued liabilities Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Forfeited or canceled (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Options Forfeited Or Canceled Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Options Forfeited Or Canceled Weighted Average Grant Date Fair Value Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Stock repurchase program, remaining authorized repurchase amount Share Repurchase Program, Remaining Authorized, Amount Foreign currency translation gain (net of tax) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Immunity Immunity Products [Member] Represents information pertaining to immunity products of the entity. Local Phone Number Local Phone Number Stock Incentive Plan 2026 Stock Incentive Plan 2026 [Member] Stock Incentive Plan 2026 Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Basis of Presentation Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Income before provision for income taxes Income from operations before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] China CHINA Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Liabilities and Shareholders’ Equity Liabilities and Equity [Abstract] Inventories Total inventories Inventory, Net Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 - Significant Unobservable Inputs Fair Value, Inputs, Level 3 [Member] SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION: Supplemental Cash Flow Information [Abstract] Options outstanding at the beginning of the period (in dollars per share) Options outstanding at the end of the period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price Repurchase of common stock (in shares) Repurchase of common stock (in shares) Treasury Stock, Shares, Acquired PEO Name PEO Name Geographical [Axis] Geographical [Axis] Accrued liabilities Increase (Decrease) in Accrued Liabilities Accrued volume incentives and service fees Accrued Volume Incentive and Service Fees This element represents the liability that is related to incentives that are payable, due to volume sales. North America North America Segment [Member] North America Segment [Member] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Tax benefit Share-Based Payment Arrangement, Expense, Tax Benefit Repurchase of common stock Repurchase of common stock Treasury Stock, Value, Acquired, Cost Method Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cash and cash equivalents at the beginning of the period Cash and cash equivalents at the end of the period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Performance based stock options operating income margins Performance Based Stock Options Vesting Upon Achieving Operating Income Margins [Member] Represents the performance based stock options, which vest upon achieving operating income margins. Accounts payable Increase (Decrease) in Accounts Payable Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Bank of America Credit Agreement Bank of America Credit Agreement [Member] Bank of America Credit Agreement [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Total comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Schedule of Composition of Inventories Schedule of Inventory, Current [Table Text Block] Basic earnings per share attributable to common shareholders (in dollars per share) Basic earnings per share attributable to common shareholders (in dollars per share) Earnings Per Share, Basic Repurchase of common stock Payments for Repurchase of Common Stock Deferred revenue Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net of allowance for doubtful accounts of $61 and $69, respectively Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Unvested stock options outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Proceeds from sale of trading investment securities Proceeds from Sale of Securities, Operating Activities Cover [Abstract] Other Non-US [Member] Time-based stock options Time Based Stock Options [Member] Represents the time-based stock options, which vest over differing periods. Equity Awards Adjustments Equity Awards Adjustments [Member] Shanghai Nature’s Sunshine Health Products Co., Ltd Shanghai Nature’s Sunshine Health Products Co., Ltd [Member] Shanghai Nature’s Sunshine Health Products Co., Ltd Total liabilities and shareholders’ equity Liabilities and Equity Stock options Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Plan Name [Axis] Plan Name [Axis] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Tabular List, Table Tabular List [Table Text Block] Provision for losses Loss Contingency Accrual, Loss (Reversal of Loss) Other income Other Nonoperating Income (Expense) Revolving Credit Facility and Other Obligations Long-Term Debt [Text Block] Name Awards Close in Time to MNPI Disclosures, Individual Name Deferred compensation payable Increase (Decrease) in Deferred Compensation Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Aggregate intrinsic value, outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Adjustment to Compensation: Adjustment to Compensation [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total assets measured at fair value on a recurring basis Assets, Fair Value Disclosure Restricted investment securities - trading Trading securities portfolio Debt Securities, Trading, Restricted Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Long-term debt Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Purchase of trading investment securities Payments for Purchase of Securities, Operating Activities Entity Filer Category Entity Filer Category Director Director [Member] Name Trading Arrangement, Individual Name Share based compensation potential compensation expense to be recognized Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Cash and cash equivalents Cash and Cash Equivalent Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures Raw materials Inventory, Raw Materials, Net of Reserves Company Selected Measure Amount Company Selected Measure Amount Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Depreciation and amortization Total depreciation and amortization Depreciation, Depletion and Amortization Entity Address, Address Line Two Entity Address, Address Line Two Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Current assets: Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Issued (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Provision for income taxes Income Tax Expense (Benefit) Foreign exchange gains (losses), net Gain (Loss), Foreign Currency Transaction, before Tax Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Cost of sales Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Principles of Consolidation Consolidation, Policy [Policy Text Block] Net decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] South Korea KOREA, REPUBLIC OF Net income attributable to common shareholders Net Income (Loss) Attributable to Parent Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Time-Based Restricted Stock Units (RSUs), 3-year Vesting Time-Based Restricted Stock Units (RSUs), 3-year Vesting [Member] Time-Based Restricted Stock Units (RSUs), 3-year Vesting Debt securities, trading, realized gains Debt Securities, Trading, Realized Gain (Loss) Japan JAPAN Cardiovascular Cardiovascular Products [Member] Represents information pertaining to cardiovascular products of the entity. Foreign exchange (gains) losses Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Nature’s Sunshine Hong Kong Limited Nature’s Sunshine Hong Kong Limited [Member] Nature’s Sunshine Hong Kong Limited Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]