Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES United Kingdom UNITED KINGDOM All Other All Other Locations [Member] All Other Locations [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Long lived assets Long-Lived Assets Equity Method Investments and Joint Ventures [Abstract] Percentage of ownership (less than) Cost-Method Investment, Percentage Of Ownership Cost-method investment, percentage of ownership Sale of available for sale security (in shares) Available For Sale Shares Sold in Period Available For Sale Shares Sold in Period Again on sale of available for sale security Available-for-sale Securities, Gross Realized Gain (Loss) Shares held (in shares) Available For Sale Shares Held Available For Sale Shares Held Available for sale securities Available-for-sale Securities Amortized cost basis, available for sale securities Available-for-sale Securities, Amortized Cost Basis Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Cash received from stock option exercises Proceeds from Stock Options Exercised Tax benefit recognized from stock option exercises Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options Accounting Changes and Error Corrections [Abstract] Correction of Immaterial Errors To Prior Period Financial Statements Accounting Changes and Error Corrections [Text Block] Stock Based Compensation And Incentive Performance Plans Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Income Tax Disclosure [Abstract] Effective Income Tax Rate Reconciliation, Amount Effective Income Tax Rate Reconciliation, Amount [Abstract] Expected United States federal income tax at statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount State income taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Domestic manufacturing deduction Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount Foreign income at different rates Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Goodwill impairment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount Change in Valuation Allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Corporate tax reorganization Effective Income Tax Rate Reconciliation, Deduction, Amount Unrealized foreign exchange losses Income Tax Rate Reconciliation, Unrealized Foreign Exchange Losses Effective Income Tax Rate Reconciliation, Unrealized Foreign Exchange Losses, Amount Non-taxable gains on acquisition of pre-existing ownership interests in HPPC and Empire Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount Reduction of deferred tax liabilities resulting from change in United Kingdom tax rate Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Total Income Tax Expense (Benefit) Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] Federal statutory income tax rate, percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent State income taxes, net of federal benefit, percent Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Domestic manufacturing deduction, percent Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Percent Foreign income at different rates, percent Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Goodwill Impairment, percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent Change in Valuation Allowance, percent Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Corporate tax reorganization, percent Effective Income Tax Rate Reconciliation, Deduction, Percent Unrealized foreign exchange losses, percent Effective Income Tax Rate Reconciliation, Unrealized Foreign Exchange Losses Effective Income Tax Rate Reconciliation, Unrealized Foreign Exchange Losses, Percent Non-taxable gains on acquisition of pre-existing ownership interests in HPPC and Empire, percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent Reduction of deferred tax liabilities resulting from change in United Kingdom tax rate, percent Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Other, percent Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Provision for income taxes, percent Effective Income Tax Rate Reconciliation, Percent Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] Retained Earnings Retained Earnings [Member] Treasury Stock Treasury Stock [Member] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] As Reported Scenario, Previously Reported [Member] Adjustment Restatement Adjustment [Member] Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Common stock, shares issued Common Stock, Shares, Issued Beginning balance Stockholders' Equity Attributable to Parent Stock split ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Stock dividend, percent Common Stock, Dividend Rate, Percentage Common Stock, Dividend Rate, Percentage Common stock, par value (USD per share) Common Stock, Par or Stated Value Per Share Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] FY'16 Acquisitions FY'16 Acquisitions [Member] FY'16 Acquisitions [Member] Mona Mona [Member] Mona [Member] Orchard House Orchard House [Member] Orchard House [Member] FY'15 Acquisitions FY'15 Acquisitions [Member] FY'15 Acquisitions [Member] HPPC Hain Pure Protein [Member] Hain Pure Protein [Member] Belvedere Belvedere [Member] Belvedere [Member] Empire Empire Kosher [Member] Empire Kosher [Member] FY'14 Acquisitions FY'14 Acquisitions [Member] FY'14 Acquisitions [Member] Tilda Tilda [Member] Tilda [Member] Rudi’s Rudis [Member] Rudis [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Carrying value of pre-existing interest, after fair value adjustments: Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value Purchase Price: Business Combination, Consideration Transferred [Abstract] Cash paid, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Equity interest issued in business combination, value Business Acquisition, Equity Interest Issued or Issuable, Value Assigned Business combination, contingent consideration Business Combination, Contingent Consideration, Liability Total consideration transferred Business Combination, Consideration Transferred Allocation: Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract] Current assets, excluding cash acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets Excluding Cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets Excluding Cash Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Other long term assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Identifiable intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Deferred taxes Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Assumed liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Goodwill Goodwill Total assets acquired and liabilities assumed Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Valuation Allowance [Table] Valuation Allowance [Table] Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Deferred Tax Asset [Domain] Deferred Tax Asset [Domain] Additions charged to income tax expense Additions To Valuation Allowance [Member] Additions To Valuation Allowance [Member] Reductions credited to income tax expense Reductions to Valuation Allowance [Member] Reductions to Valuation Allowance [Member] Currency translation adjustments Translation Adjustments to Valuation Allowance [Member] Translation Adjustments to Valuation Allowance [Member] Valuation Allowance [Line Items] Valuation Allowance [Line Items] Valuation Allowance [Roll Forward] Valuation Allowance [Roll Forward] Valuation Allowance [Roll Forward] Balance at beginning of year Deferred Tax Assets, Valuation Allowance Change in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Balance at end of year Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Equity Method Investee, Name [Axis] Investment, Name [Axis] Equity Method Investee, Name [Domain] Investment, Name [Domain] Hutchison Hain Organic Holdings Limited Hutchison Hain Organic Holdings Limited [Member] Hutchison Hain Organic Holdings Limited [Member] Chop't Chop't [Member] Chop't [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Advances to affiliate Advances to Affiliate Carrying value of investment Equity Method Investments Percentage of diluted basis Equity Method Investment, Ownership Percentage Diluted Basis Equity Method Investment, Ownership Percentage Diluted Basis Net income Net Income (Loss) Attributable to Parent Foreign currency translation adjustments, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Change in deferred gains (losses) on cash flow hedging instruments Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Change in unrealized loss on available for sale investment Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Total other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Total comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Fair Value Disclosures [Abstract] Assets And Liabilities Measured At Fair Value On A Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Summary of Level 3 Activity Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Quarterly Financial Information Disclosure [Abstract] Quarterly Financial Data (Unaudited) Quarterly Financial Information [Text Block] Number of operating segments Number of Operating Segments Number of reportable segments Number of Reportable Segments Income Statement [Abstract] Net sales Revenue, Net Cost of sales Cost of Goods and Services Sold Gross profit Gross Profit Selling, general and administrative expenses Selling, General and Administrative Expense Amortization of acquired intangibles Amortization of Intangible Assets Acquisition related expenses, restructuring and integration charges Business Combination Acquisition Related Costs And Restructuring Charges This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. This element also includes charges incurred due to restructuring initiatives implemented during the period. Goodwill impairment Goodwill, Impairment Loss Intangibles impairment Impairment of Intangible Assets (Excluding Goodwill) Operating income Operating Income (Loss) Interest and other financing expense, net Interest and Other Expenses, Net Interest and Other Expenses, Net Other (income)/expense, net Other Nonoperating Income (Expense) Gain on sale of business Gain (Loss) on Disposition of Business Gain on fire insurance recovery Gain on Business Interruption Insurance Recovery Income before income taxes and equity in earnings of equity-method investees Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Provision for income taxes Equity in net loss (income) of equity-method investees Income (Loss) from Equity Method Investments Income from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Loss from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Net income Basic net income (loss) per common share: Earnings Per Share, Basic [Abstract] Basic net income (loss) per common share, from continuing operations (USD per share) Income (Loss) from Continuing Operations, Per Basic Share Basic net income (loss) per common share, from discontinued operations (USD per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Basic net income (loss) per common share (USD per share) Earnings Per Share, Basic Diluted net income (loss) per common share: Earnings Per Share, Diluted [Abstract] Diluted net income (loss) per common share, from continuing operations (USD per share) Income (Loss) from Continuing Operations, Per Diluted Share Diluted net income (loss) per common share, from discontinued operations (USD per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Diluted net income (loss) per common share (USD per share) Earnings Per Share, Diluted Shares used in the calculation of net income per common share: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (shares) Weighted Average Number of Shares Outstanding, Basic Diluted (shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Commitments and Contingencies Disclosure [Text Block] Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State and local Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Current income tax expense Current Income Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State and local Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Deferred income tax expense Deferred Income Tax Expense (Benefit) Current deferred tax assets: Components of Deferred Tax Assets [Abstract] Basis difference on inventory Deferred Tax Assets, Inventory Reserves not currently deductible Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Loss Reserves Other Deferred Tax Assets, Tax Deferred Expense, Other Current deferred tax assets Deferred Tax Assets, Net of Valuation Allowance, Current Noncurrent deferred tax assets/(liabilities): Deferred Tax Liabilities, Net [Abstract] Basis difference on inventory Deferred Tax Assets, Inventory, Noncurrent Deferred Tax Assets, Inventory, Noncurrent Reserves not currently deductible Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Loss Reserves, Noncurrent Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Loss Reserves, Noncurrent Basis difference on intangible assets Deferred Tax Liabilities, Goodwill and Intangible Assets Basis difference on property and equipment Deferred Tax Liabilities, Property, Plant and Equipment Other comprehensive income Deferred Tax Liabilities, Other Comprehensive Income Net operating loss and tax credit carryforwards Deferred Tax Assets Net Operating Loss And Tax Credit Carryforwards Deferred Tax Assets Net Operating Loss And Tax Credit Carryforwards Stock based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Other Deferred Tax Assets, Other Valuation allowances Noncurrent deferred tax liabilities, net Deferred Tax Liabilities, Net, Noncurrent Total net deferred tax liabilities Deferred Tax Liabilities, Net Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Balance at beginning of year Unrecognized Tax Benefits Additions based on tax positions related to the current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Additions based on tax positions related to prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Reductions due to lapse in statute of limitations and settlements Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Balance at end of year Property, Plant and Equipment [Abstract] Property, Plant And Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Compensation Cost And Related Income Tax Benefits Recognized Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Summary Of Stock Option Activity Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule Of Cash Proceeds Received From Share-Based Payment Awards Schedule of Cash Proceeds Received from Share-based Payment Awards [Table Text Block] Non-Vested Restricted Stock And Restricted Share Unit Awards Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Restricted Stock Grant Information Restricted stock grant information [Table Text Block] Restricted stock grant information [Table Text Block]. Goodwill and Intangible Assets Disclosure [Abstract] Changes In Carrying Amount Of Goodwill Schedule of Goodwill [Table Text Block] Components Of Other Intangible Assets Intangible Assets Disclosure [Text Block] Summary of Amortization Expense Finite-lived Intangible Assets Amortization Expense [Table Text Block] Summary of Expected Amortization Expense Over the Next Five Years Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Summary of Components of Income Before Taxes and Equity in Earnings of Equity-Method Investments Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Summary of the Provision for Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Reconciliation of Expected Income Taxes to Actual Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Summary of Changes in Valuation Allowances Summary of Valuation Allowance [Table Text Block] Schedule of Unrecognized Tax Benefits, Including Interest and Penalties Activity Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Financial Instruments Measured At Fair Value Fair Value Disclosures [Text Block] Stockholders' Equity Note [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Foreign currency translation adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Deferred gains/(losses) on cash flow hedging instruments Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Unrealized gain on available for sale investment Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Intra-entity foreign currency transactions Intra-entity foreign currency transactions [Member] Intra-entity foreign currency transactions [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified into income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Reclassified into income, before taxes Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Effect of Fourth Quarter Events [Table] Effect of Fourth Quarter Events [Table] Business Interruption Loss [Axis] Business Interruption Loss [Axis] Business Interruption Loss [Domain] Business Interruption Loss [Domain] Tilda Milling Facility Fire Tilda Milling Facility Fire [Member] Tilda Milling Facility Fire [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] United Kingdom United Kingdom Segment [Member] United Kingdom Segment [Member] Effect of Fourth Quarter Events [Line Items] Effect of Fourth Quarter Events [Line Items] Intangibles impairment, net Impairment of Intangible Assets (Excluding Goodwill), Net Impairment of Intangible Assets (Excluding Goodwill), Net Impairment charge related to long-lived assets Impairment of Long-Lived Assets to be Disposed of Impairment charge related to long-lived assets, net Impairment of Long-Lived Assets to be Disposed of, Net Impairment of Long-Lived Assets to be Disposed of, Net Gain on fire insurance recovery Gain on fire insurance recovery, net Gain on Business Interruption Insurance Recovery, Net Gain on Business Interruption Insurance Recovery, Net Gain related to a tax restructuring Tax Adjustments, Settlements, and Unusual Provisions Charges from legal settlement Loss Contingency, Loss in Period Charges from legal settlement, net Loss Contingency, Loss in Period, Net Loss Contingency, Loss in Period, Net Inventory recall charge Inventory Recall Expense Inventory recall charge, net Inventory Recall Expense, Net Inventory Recall Expense, Net Gains on pre-existing ownership interests in HPPC and Empire, before tax Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee, Before Tax Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee, Before Tax Gains on pre-existing ownership interests in HPPC and Empire Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Balance at beginning of year Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Fair value of initial contingent consideration Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Contingent consideration adjustments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Contingent consideration paid Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Translation adjustment Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Balance at end of year Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Trade Names Trade Names [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer Relationships Customer Relationships [Member] Number of products Number of Products Number of Products Equity interest issued in business combination (shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Number of countries in which company operates Number of Countries in which Entity Operates Deferred consideration payments Other Payments to Acquire Businesses Contingent consideration arrangements, period for achievement operating results Business Combination, Contingent Consideration Arrangements, Period for Achievement Operating Results Business Combination, Contingent Consideration Arrangements, Period for Achievement Operating Results Foreign currency transaction gain Foreign Currency Transaction Gain (Loss), before Tax Acquired finite-lived intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Acquired finite-lived intangible assets, weighted average useful life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Indefinite-lived intangible assets acquired Indefinite-lived Intangible Assets Acquired Net sales Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual Income before income taxes Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual Debt Disclosure [Abstract] Summary of Debt and Borrowings Schedule of Long-term Debt Instruments [Table Text Block] Summary of Maturities of Debt Instruments Schedule of Maturities of Long-term Debt [Table Text Block] Debt and Borrowings Debt Disclosure [Text Block] Segment Information Segment Reporting Disclosure [Text Block] Schedule of Segment Reporting Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Summary of Revenue by Product Category Revenue from External Customers by Products and Services [Table Text Block] Summary of Net Sales by Geographic Areas Revenue from External Customers by Geographic Areas [Table Text Block] Schedule of Long Lived Assets, by Geographic Region Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block] 2017 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2018 Operating Leases, Future Minimum Payments, Due in Two Years 2019 Operating Leases, Future Minimum Payments, Due in Three Years 2020 Operating Leases, Future Minimum Payments, Due in Four Years 2021 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Rent expense Operating Leases, Rent Expense, Net Adjustments for Error Corrections [Axis] Adjustments for Error Corrections [Axis] Adjustments for Error Correction [Domain] Adjustments for Error Correction [Domain] Revenue recognition Revenue Recognition [Member] Revenue Recognition [Member] Trade promotion and sales incentives Trade and Promotion Charges [Member] Trade and Promotion Charges [Member] Equity in net income of equity-method investees Equity in Net Income of Equity-Method Investees [Member] Equity in Net Income of Equity-Method Investees [Member] Selling, general and administrative expense Selling, General and Administrative Expenses [Member] Effect of Revenue Corrections Impact of Revenue Adjustments [Member] Impact of Revenue Adjustments [Member] Timing of Tradename Impairment Timing of Tradename Impairment [Member] Timing of Tradename Impairment [Member] Other Corrections Other [Member] Other [Member] Reduction in revenue Income before income taxes and equity in earnings of equity-method investees Net income Summary of Property, Plant, and Equipment, Net Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land [Member] Land [Member] Buildings and improvements Building and Building Improvements [Member] Machinery and equipment Machinery and Equipment [Member] Computer hardware and software Computer Equipment [Member] Furniture and fixtures Furniture and Fixtures [Member] Leasehold improvements Leasehold Improvements [Member] Construction in progress Construction in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, plant and equipment, gross Property, Plant and Equipment, Gross Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net Property, Plant and Equipment, Net Depreciation Depreciation Schedule of Goodwill [Table] Schedule of Goodwill [Table] United States United States Segment [Member] United States Segment [Member] Hain Pure Protein Rest of World Rest of World [Member] Rest of World [Member] Europe Europe Segment [Member] Europe Segment [Member] Goodwill [Line Items] Goodwill [Line Items] Goodwill Goodwill [Roll Forward] Goodwill Acquisitions Goodwill, Acquired During Period Impairment charge Translation and other adjustments, net Goodwill, Foreign Currency Translation Gain (Loss) Goodwill Accumulated impairment charge Goodwill, Impaired, Accumulated Impairment Loss Fair value of restricted stock and restricted share units granted Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Total Fair Value Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, total fair value Fair value of shares vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Tax benefit recognized from restricted shares vesting Employee Service Share-Based Compensation, Tax Benefit Realized From Restricted Shares Vesting Employee service share-based compensation, tax benefit realized from restricted shares vesting Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Federal Domestic Tax Authority [Member] Foreign Foreign Tax Authority [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Cash paid for income taxes, net of refunds Income Taxes Paid, Net Net operating loss carryforwards Operating Loss Carryforwards Tax credit carry forwards Deferred Tax Assets, Tax Credit Carryforwards, Foreign Undistributed earnings of foreign subsidiaries Undistributed Earnings of Foreign Subsidiaries Valuation allowances Unrecognized tax benefits Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Interest and penalties, accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Decrease in unrecognized tax benefits, reasonably possible Decrease in Unrecognized Tax Benefits is Reasonably Possible Accrued Liabilities, Current [Abstract] Accrued Expenses and Other Current Liabilities Accrued Liabilities Disclosure Current Text Block [Text Block] Accrued Liabilities Disclosure Current Text Block [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Long Term Incentive Plan Long Term Incentive Plan [Member] Long Term Incentive Plan [Member] Executive Incentive Plan Executive Incentive Plan [Member] Executive Incentive Plan [Member] Directors Stock Plan Directors Stock Plan [Member] Directors Stock Plan [Member] Prior Hain And Celestial Plans Prior Hain And Celestial Plans [Member] Prior Hain And Celestial Plans [Member] Achievement [Axis] Achievement [Axis] Achievement [Axis] Achievement [Domain] Achievement [Domain] Achievement [Domain] Subject To Achievement Subject To Achievement [Member] Subject To Achievement [Member] Amendment [Axis] Amendment [Axis] Amendment [Axis] Amendment [Domain] Amendment [Domain] Amendment [Domain] Before Amendments Before Amendments [Member] Before Amendments [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Number of shareholder-approved plans Share-based Compensation Arrangement by Share-based Payment Award, Number of Plans Share-based Compensation Arrangement by Share-based Payment Award, Number of Plans Common stock reserved for issuance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Awards denominated in shares of common stock other than options and stock appreciation rights, value again available share limit Awards Denominated In Common Stock Other Than Options And Stock Appreciation Rights Ratio Counted Against Share Limit Awards Denominated In Common Stock Other Than Options And Stock Appreciation Rights Ratio Counted Against Share Limit Expiration period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Options granted in the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Equity instruments other than options granted in the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Options outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Equity instruments other than options, nonvested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Number of shares available for grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Acquisition related costs Business Combination, Acquisition Related Costs Debt assumed in business combination Noncash or Part Noncash Acquisition, Debt Assumed Earnings Per Share [Abstract] Earnings Per Share Earnings Per Share [Text Block] Schedule of Correction of Immaterial Errors to Prior Period Financial Statements Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Quoted prices in active markets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant other observable inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Significant unobservable inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets: Assets, Fair Value Disclosure [Abstract] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Forward foreign currency contracts Derivative Instruments in Hedges, Assets, at Fair Value Assets total Assets, Fair Value Disclosure Liabilities: Liabilities, Fair Value Disclosure [Abstract] Forward foreign currency contracts Derivative Instruments in Hedges, Liabilities, at Fair Value Contingent consideration Total Financial and Nonfinancial Liabilities, Fair Value Disclosure Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items 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consideration Business Acquisition, Contingent Consideration, Cash Payment, Financing Business acquisition contingent consideration paid from financing activities. 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shares, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total stockholders' equity including treasury stock Total stockholders' equity including treasury stock Total stockholders' equity including treasury stock Less: Treasury stock, at cost, 4,018 and 3,229 shares, respectively Treasury Stock, Value Total stockholders’ equity Total liabilities and stockholders’ equity Liabilities and Equity Tradename impairment Finished goods Inventory, Finished Goods, Gross Raw materials, work-in-progress and packaging Inventory, Work in Process and Raw Materials Total inventories Accounts receivable, less allowance for doubtful accounts of $896 Common stock - $.01 par value, authorized 150,000 shares; issued: 105,841 shares; outstanding: 102,612 shares Additional paid-in-capital Less: Treasury stock, at 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after Year Five Contingent consideration, high range Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Contingent consideration arrangements, number of periods for achievement operating results Business Combination, Contingent Consideration Arrangements, Number of Periods for Achievement Operating Results Business Combination, Contingent Consideration Arrangements, Number of Periods for Achievement Operating Results Derivative, notional amount Derivative, Notional Amount Fair value amounts of foreign exchange derivative contracts, net assets (liabilities) Foreign Currency Cash Flow Hedge Derivative at Fair Value, Net Foreign exchange contracts, maturities Maximum Remaining Maturity of Foreign Currency Derivatives Discontinued foreign exchange hedges Number Of Foreign Exchange Hedges Discontinued Number of foreign exchange hedges discontinued Income from continuing operations Loss from discontinued operations, net of tax Basic weighted average 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stock pursuant to compensation plans, shares Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Issuance of common stock in connection with acquisitions Stock Issued During Period, Value, Acquisitions Issuance of common stock in connection with acquisitions, shares Stock Issued During Period, Shares, Acquisitions Stock based compensation income tax effects Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans, shares Shares Paid for Tax Withholding for Share Based Compensation Shares withheld for payment of employee payroll taxes due on shares issued under stock based compensation plans Adjustments Related to Tax Withholding for Share-based Compensation Stock based compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Ending balance 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Initial Equity Grants Shares issued in the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period Compensation expense, other than stock based equity or TSR grants Other Labor-related Expenses Organization, Consolidation and Presentation of Financial Statements [Abstract] Description of Business and Basis of Presentation Nature of Operations [Text Block] Patents Patents [Member] Business combination, voting interest acquired Business Acquisition, Percentage of Voting Interests Acquired Noncontrolling interest Noncontrolling Interest in Joint Ventures Net sales from continuing operations Business Acquisition, Pro Forma Revenue Net income from continuing operations Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax Net income per common share from continuing operations - diluted (USD per share) Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax, Per Share, Diluted Document And Entity Information [Abstract] Document and Entity Information[Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] 2017 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve 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[Text Block] Defined Contribution Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Property, plant, and equipment, useful life Property, Plant and Equipment, Useful Life Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Trademarks and Tradenames Trademarks and Trade Names [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Non-amortized intangible assets: Finite-Lived Intangible Assets, Net [Abstract] Trademarks and tradenames Indefinite-Lived Intangible Assets (Excluding Goodwill) Amortized intangible assets: Finite-Lived Intangible Assets, Gross [Abstract] Other intangibles Other Finite-Lived Intangible Assets, Gross Less: accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Net carrying amount Impairment charge Inventories Inventory Disclosure [Text Block]