Equity Method Investments and Joint Ventures [Abstract] INVESTMENT IN UNCONSOLIDATED AFFILIATES Investments in and Advances to Affiliates, Schedule of Investments [Text Block] Quarterly Financial Information Disclosure [Abstract] Net sales Revenue from Contract with Customer, Excluding Assessed Tax Gross profit Gross Profit Income (loss) from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Income (loss) from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income (loss) attributable to controlling interest Net Income (Loss) Attributable to Parent Basic earnings (loss) per common share: Earnings Per Share, Basic [Abstract] Income (loss) from continuing operations (USD per share) Income (Loss) from Continuing Operations, Per Basic Share Income (loss) 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 Common shares used in basic EPS calculation (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted earnings (loss) per common share: Earnings Per Share, Diluted [Abstract] Income (loss) from continuing operations (USD per share) Income (Loss) from Continuing Operations, Per Diluted Share Income (loss) 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 Weighted-average number of Common Shares outstanding and dilutive potential Common Shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Derivative Instruments and Hedging Activities Disclosure [Abstract] Schedule of Outstanding Commodity Contracts that Hedge Forecasted Purchases Derivative Volume [Table Text Block] Tabular disclosure of the volume of the entity's derivatives. Summary of Fair Values of the Company's Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of the Effect of Derivative Instruments on AOCI and Operations Derivative Instruments, Gain (Loss) [Table Text Block] Marketing Agreement [Abstract] Marketing Agreement [Abstract] Schedule of Costs Related to Purchase Obligations [Table] Schedule of Costs Related to Purchase Obligations [Table] Schedule of Costs Related to Purchase Obligations [Table] Marketing Agreement [Axis] Marketing Agreement [Axis] Marketing Agreement [Axis] Marketing Agreement [Domain] Marketing Agreement [Domain] Marketing Agreement [Domain] Monsanto Marketing Agreement Monsanto Marketing Agreement [Member] Monsanto Marketing Agreement Amended Original Marketing Agreement Amended Original Marketing Agreement [Member] Amended Original Marketing Agreement [Member] Restated Marketing Agreement Restated Marketing Agreement [Member] Restated Marketing Agreement [Member] Third Restated Agreement Third Restated Agreement [Member] Third Restated Agreement [Member] Brand Extension Asset Purchase Agreement Brand Extension Asset Purchase Agreement [Member] Brand Extension Asset Purchase Agreement [Member] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] International Business International Business [Member] International Business [Member] Schedule of Costs Related to Purchase Obligations [Line Items] Schedule of Costs Related to Purchase Obligations [Line Items] Schedule of Costs Related to Purchase Obligations [Line Items] Total consideration transferred Business Combination, Consideration Transferred Commission threshold, percentage of program earnings Commission Payable, Percentage of Program Earnings Commission Payable, Percentage of Program Earnings Minimum EBIT to avoid reduction of contribution payment Program Agreement, Terms, Minimum Annual EBIT Required To Avoid Reduction Of Contribution Payment Program Agreement, Terms, Minimum Annual EBIT Required To Avoid Reduction Of Contribution Payment Reduction of contribution payment as a percentage of difference between the EBIT threshold and EBIT (percentage) Program Agreement, Terms, Reduction Of Contribution Payment, Percentage Of Difference Between Threshold And Program EBIT Program Agreement, Terms, Reduction Of Contribution Payment, Percentage Of Difference Between Threshold And Program EBIT Contribution payment if difference between EBIT threshold and EBIT is negative Program Agreement, Terms, Reduction Of Contribution Payment, Contribution Payment If Difference Between EBIT Threshold And EBIT Is Negative Program Agreement, Terms, Reduction Of Contribution Payment, Contribution Payment If Difference Between EBIT Threshold And EBIT Is Negative Commission threshold Commission Threshold Commission Threshold Annual contribution payment Contractual Commitments Future Minimum Payments Due Minimum contractual payments as defined in agreement. Minimum termination fee payable Minimum Termination Fee Payable Minimum Termination Fee Payable Brand decommissioning event payable Brand Decommisioning Event Payable Brand Decommissioning Event Payable Minimum termination fee payable, multiple of average program earnings, prior 3 years Minimum Termination Fee Payable, Multiple of Average Program Earnings, Prior 3 Years Minimum Termination Fee Payable, Multiple of Average Program Earnings, Prior 3 Years Minimum termination fee payable, threshold Minimum Termination Fee Payable, Threshold Minimum Termination Fee Payable, Threshold Minimum EBIT Marketing Agreement, Terms, Minimum Earnings Before Income Taxes Marketing Agreement, Terms, Minimum Earnings Before Income Taxes Proceeds from sale of productive assets Purchase Agreement, Terms, Consideration To Be Paid Purchase Agreement, Terms, Consideration To Be Paid Disposal group, inventory Purchase Agreement, Terms, Value Of Finished Goods Inventory Purchase Agreement, Terms, Value Of Finished Goods Inventory Disposal group, assets Purchase Agreement, Terms, Value Of Brand Extension Agreement Intangible Asset Purchase Agreement, Terms, Value Of Brand Extension Agreement Intangible Asset MARKETING AGREEMENT Marketing Agreement [Text Block] Additional information and disclosure related to the exclusive agency agreement of the entity for certain products. Commitments and Contingencies Disclosure [Abstract] Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] Unrecorded Unconditional Purchase Obligation, Fiscal Year Maturity [Abstract] 2020 Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months 2021 Unrecorded Unconditional Purchase Obligation, Due within Two Years 2022 Unrecorded Unconditional Purchase Obligation, Due within Three Years 2023 Unrecorded Unconditional Purchase Obligation, Due within Four Years 2024 Unrecorded Unconditional Purchase Obligation, Due within Five Years Thereafter Unrecorded Unconditional Purchase Obligation, Due after Five Years Unrecognized Unconditional Purchase Obligations Unrecorded Unconditional Purchase Obligation Income Tax Disclosure [Abstract] Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Income from continuing operations before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 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 for tax positions of the current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Additions for tax positions of prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Reductions for tax positions of prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Settlements with tax authorities Unrecognized Tax Benefits, Increase (Decrease) Resulting From Settlements With Taxing Authorities Unrecognized Tax Benefits, Increase (Decrease) Resulting From Settlements With Taxing Authorities Expiration of statutes of limitation Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Balance at end of year Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Revolving loans Revolving Credit Facility [Member] Secured Term Loan Secured Term Loan [Member] Secured Term Loan [Member] Scenario [Axis] Scenario [Axis] Scenario [Domain] Scenario [Domain] Scenario, Forecast Forecast [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Letter of Credit Letter of Credit [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Credit Facilities Line of Credit [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Fifth Amended And Restated Senior Secured Credit Agreement Fifth Amended And Restated Senior Secured Credit Agreement [Member] Fifth Amended And Restated Senior Secured Credit Agreement [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Maximum Maximum [Member] Minimum Minimum [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt, maturity period Debt, Maturity Period Debt Instrument Maturity Period Senior secured credit facilities, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Aggregate face amount of letters of credit outstanding Long-term Line of Credit Senior secured credit facilities, available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Debt, weighted average interest rate (percentage) Debt, Weighted Average Interest Rate Leverage ratio Leverage Ratio Leverage Ratio Interest coverage ratio Interest Coverage Ratio Interest Coverage Ratio Restricted payment threshold Leverage Ratio, Restricted Payment Threshold Leverage Ratio, Restricted Payment Threshold Restricted payment limitation, year one Debt Instrument, Restricted Payment Limitation, Year One Debt Instrument, Restricted Payment Limitation, Year One Restricted payment limitation, years two and thereafter Debt Instrument, Restricted Payment Limitation, Years Two And Thereafter Debt Instrument, Restricted Payment Limitation, Years Two And Thereafter Earnings Per Share [Abstract] Income from continuing operations Net (income) loss attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Income attributable to controlling interest from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Income (loss) from discontinued operations, net of tax Net income Net income (loss) attributable to controlling interest BASIC INCOME PER COMMON SHARE: Weighted-average Common Shares outstanding during the period (in shares) Income from continuing operations (USD per share) DILUTED INCOME PER COMMON SHARE: Dilutive potential Common Shares (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Income from continuing operations (USD per share) Equity [Abstract] Preferred shares, no par value: Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Authorized (in shares) Preferred Stock, Shares Authorized Issued (in shares) Preferred Stock, Shares Issued Common shares, no par value, $.01 stated value per share: Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Common shares, stated value per share (USD per share) Common Stock, Par or Stated Value Per Share Authorized (in shares) Common Stock, Shares Authorized Issued (in shares) Common Stock, Shares, Issued Discontinued Operations and Disposal Groups [Abstract] Net sales Disposal Group, Including Discontinued Operation, Revenue Operating and exit costs Disposal Group, Including Discontinued Operation, Operating Income (Loss) Impairment, restructuring and other Restructuring And Other Related Charges, Discontinued Operations Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructuring pursuant to an authorized plan, excluding asset retirement obligations along with other related charges. These charges are recorded within the results from discontinued operations. Other (income) expense, net Disposal Group, Including Discontinued Operation, Other Income (Expense), Net Disposal Group, Including Discontinued Operation, Other Income (Expense), Net (Gain) loss on sale / contribution of business Gain (Loss) on Disposition of Business Interest expense Disposal Group, Including Discontinued Operation, Interest Expense Income (loss) from discontinued operations before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Income tax expense (benefit) from discontinued operations Discontinued Operation, Tax Effect of Discontinued Operation Income (loss) from discontinued operations, net of tax Finance Lease, Liability, Payment, Due [Abstract] Finance Lease, Liability, Payment, Due [Abstract] 2020 Capital Leases, Future Minimum Payments Due, Next Twelve Months 2021 Capital Leases, Future Minimum Payments Due in Two Years 2022 Capital Leases, Future Minimum Payments Due in Three Years 2023 Capital Leases, Future Minimum Payments Due in Four Years 2024 Capital Leases, Future Minimum Payments Due in Five Years Thereafter Capital Leases, Future Minimum Payments Due Thereafter Total capital obligations Capital Leases, Future Minimum Payments Due Debt Instrument, Periodic Payment [Abstract] Debt Instrument, Periodic Payment [Abstract] 2020 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2021 Long-term Debt, Maturities, Repayments of Principal in Year Two 2022 Long-term Debt, Maturities, Repayments of Principal in Year Three 2023 Long-term Debt, Maturities, Repayments of Principal in Year Four 2024 Long-term Debt, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Total debt Long-term Debt 2020 Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months 2021 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two 2022 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three 2023 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four 2024 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five Total capital lease obligations and debt Long-term Debt and Lease Obligation, Including Current Maturities Interest Capital Leases, Future Minimum Payments, Interest Included in Payments Total debt - Capital Lease Obligations Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Total debt - Capital Lease Obligations and Debt Debt and Lease Obligation Condensed Financial Information Disclosure [Abstract] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Senior Notes – 5.250% Senior Notes, Five and A Quarter Percent [Member] Senior Notes, Five and A Quarter Percent [Member] Senior Notes Senior Notes [Member] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Reportable Legal Entities Reportable Legal Entities [Member] Eliminations/ Consolidations Consolidation, Eliminations [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Parent Parent Company [Member] Subsidiary Guarantors Guarantor Subsidiaries [Member] Non- Guarantors Non-Guarantor Subsidiaries [Member] Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Interest rate (percent) Debt Instrument, Interest Rate, Stated Percentage NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities [Abstract] Proceeds from sale of long-lived assets Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of business, net of cash disposed of Proceeds from Divestiture of Businesses Post-closing working capital payment related to sale of International Business Post Closing Working Capital Payment Related To Divestiture Post Closing Working Capital Payment Related To Divestiture Investments in property, plant and equipment Payments to Acquire Property, Plant, and Equipment Investments in loans receivable Payments to Acquire Loans Receivable Proceeds from loans receivable Proceeds from Collection of Loans Receivable Net distributions from unconsolidated affiliates Payments Of (Proceeds From) Distributions To (From) affiliates Payments Of (Proceeds From) Distributions To (From) affiliates Proceeds from sale of investment in unconsolidated affiliates Proceeds from Divestiture of Businesses and Interests in Affiliates Investments in acquired businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Return of investments from affiliates Proceeds from Equity Method Investment, Distribution, Return of Capital Investing cash flows from (to) affiliates Payments for (Proceeds from) Businesses and Interest in Affiliates Other investing, net Payments for (Proceeds from) Other Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] Borrowings under revolving and bank lines of credit and term loans Proceeds from Long-term Lines of Credit Repayments under revolving and bank lines of credit and term loans Repayments of Long-term Lines of Credit Proceeds from issuance of 5.250% Senior Notes Proceeds from Issuance of Senior Long-term Debt Financing and issuance fees Payments of Financing Costs Dividends paid Payments of Ordinary Dividends, Common Stock Distribution paid by AeroGrow to noncontrolling interest Payments of Capital Distribution Purchase of Common Shares Payments for Repurchase of Common Stock Payments on seller notes Repayments of Notes Payable Excess tax benefits from share-based payment arrangements Excess Tax Benefit from Share-based Compensation, Financing Activities Cash received from exercise of stock options Proceeds from Stock Options Exercised Acquisition of noncontrolling interests Payments for Repurchase of Redeemable Noncontrolling Interest Financing cash flows from (to) affiliates Payments For Proceeds From Intercompany Advances From Financing Activities The net cash outflow (inflow) from intercompany advances from financing activities. Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash and cash equivalents at beginning of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at end of year Cash and cash equivalents at beginning of year classified within assets held for sale Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Disposal Group, Including Discontinued Operations Cash and cash equivalents at beginning of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Cash and cash equivalents at end of year Return on investment Proceeds From Investment, Distribution, Return On Investment Proceeds from Investment, Distribution, Return on Investment, classified in operating activities in the statement of cash flows QUARTERLY CONSOLIDATED FINANCIAL INFORMATION (UNAUDITED) Quarterly Financial Information [Text Block] Retirement Benefits [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] 401(K) Other Postretirement Benefits Plan [Member] Defined Benefit Pension Plan Pension Plan [Member] Defined Contribution Plan Tranches [Axis] Defined Contribution Plan Tranches [Axis] Defined Contribution Plan Tranches [Axis] Defined Contribution Plan Tranches [Domain] Defined Contribution Plan Tranches [Domain] [Domain] for Defined Contribution Plan Tranches [Axis] Company matches 150% of associates’ initial 4% contribution Defined Contribution Plan, Tranche 1 [Member] Defined Contribution Plan, Tranche 1 [Member] Company matches 50% of associates' contribution up to 6% Defined Contribution Plan, Tranche 2 [Member] Defined Contribution Plan, Tranche 2 [Member] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] U.S. Plan UNITED STATES International Plan Foreign Plan [Member] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Employer match of employee contribution Defined Contribution Plan, Employer Matching Contribution, Percent of Match Employee contribution of gross pay Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Compensation charges Defined Contribution Plan, Cost Number of defined benefit plans for certain U.S. associates Number Of Defined Benefit Plans For Certain U.S. Associates Number of Defined Benefit Pension Plans Number of frozen defined benefit pension plans associated with former international businesses Number of Defined Frozen Benefit Pension Plans Associated With Former International Businesses Number Of Frozen Defined Benefit Pension Plans Associated With Former International Businesses Number of common shares covered by out-of-the-money stock options (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount RETIREMENT PLANS Pension and Other Postretirement Benefits Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Net foreign currency translation adjustment reclassifications to net income (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax Net unrealized losses on derivative instruments, tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Reclassification of net unrealized losses on derivatives, tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Net unrealized gains (losses) in pension and other post retirment benefits, tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Reclassification net pension and postretirement benefit income (loss), tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Senior Notes - 4.500% Senior Notes, 4.500% Due 2029 [Member] Senior Notes, 4.500% Due 2029 [Member] Proceed from issuance of unsecured debt Proceeds from Issuance of Unsecured Debt Marketing Agreement Table Marketing Agreement [Table Text Block] Tabular disclosure related to the exclusive agency agreement of the entity for certain products. Derivative Instruments and Hedging Activities Disclosure [Table] Derivative Instruments And Hedging Activities Disclosure [Table] Derivative Instruments and Hedging Activities Disclosure [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Derivatives not designated as Hedging Instruments Not Designated as Hedging Instrument [Member] Designated as Hedging Instruments Designated as Hedging Instrument [Member] Derivative Instrument Risk Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Currency forward contracts Foreign Exchange Forward [Member] Interest rate swap agreements Interest Rate Swap [Member] Commodity hedging instruments Commodity Contract [Member] Derivative Instruments and Hedging Activities Disclosure [Line Items] Derivative Instruments And Hedging Activities Disclosure [Line Items] Derivative Instruments and Hedging Activities Disclosure [Line Items] Notional amount Derivative, Notional Amount Interest rate gain amount expected to be reclassified to earnings during the next 12 months Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Commodity gain amount expected to be reclassified to earnings during the next 12 months Price Risk Cash Flow Hedge Unrealized Gain (Loss) to be Reclassified During Next 12 Months Percentage of annual net sales from combined second and third quarter sales Percentage Of Annual Net Sales Net Sales for the second and third fiscal quarters percentage of annual net sales. Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Treasury Shares Treasury Stock [Member] Capital in Excess of Stated Value Additional Paid-in Capital [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] Tradenames Trade Names [Member] Customer accounts Customer Relationships [Member] Noncompete Agreements Noncompete Agreements [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Hawthorne Hawthorne [Member] Hawthorne [Member] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Project Catalyst [Member] Project Catalyst [Member] Project Catalyst [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Sunlight Supply Sunlight Supply [Member] Sunlight Supply [Member] Gavita Holdings B.V. Gavita Holdings B.V. [Member] Gavita Holdings B.V. Can-Filters Group Inc. Can-Filters Group Inc. [Member] Can-Filters Group Inc. [Member] Agrolux Holding B.V. Agrolux Holding B.V. [Member] Agrolux Holding B.V. [Member] Botanicare Botanicare [Member] Botanicare [Member] Botanicare Manufacturer And Formulator Botanicare Manufacturer And Formulator [Member] Botanicare Manufacturer And Formulator [Member] Emerging Area Support Companies Emerging Area Support Companies [Member] Emerging Area Support Companies [Member] Hydroponic Growth System Technology Company Hydroponic Growth System Technology Company [Member] Hydroponic Growth System Technology Company [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Treasury share issuances (in shares) Stock Issued During Period, Shares, Treasury Stock Reissued Fair value of equity interest issued Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Contingent consideration Business Combination, Contingent Consideration, Liability Maximum payout Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Cash, prepaids, and other current assets acquired Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets, Cash, Prepaid Expense And Other Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Cash, Prepaid Expense and Other Assets Accounts receivables acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Inventory acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Fixed assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Accounts payable acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Finite-lived intangible assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Tax deductible goodwill from business combination Business Acquisition, Goodwill, Expected Tax Deductible Amount Useful lives Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Noncash impairment charge Impairment of Intangible Assets, Finite-lived Intangible asset estimated fair value Finite-lived Intangible Assets, Fair Value Disclosure Reduction of deferred tax liability associated with write-off Deferred Taxes, Business Combination, Valuation Allowance, Available to Reduce Income Tax Expense Proforma net sales Business Acquisition, Pro Forma Revenue Proforma net income attributable to controlling interest Business Acquisition, Pro Forma Net Income (Loss) Proforma diluted net income per common share (USD per share) Business Acquisition, Pro Forma Earnings Per Share, Diluted Economic interest acquired Economic Interest Acquired Represents the Company's economic interest of an acquired entity Equity ownership percentage by noncontrolling owners Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Other non-operating income (expense), net Other Nonoperating Income (Expense) Contingent consideration paid Payments for Previous Acquisition Long-term debt Long-term Debt, Fair Value Acquisition of remaining noncontrolling interest in Gavita Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Inventory and accounts receivable acquired Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Assets, Inventory And Accounts Receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Inventory and Accounts Receivable Long term debt acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-term Debt Goodwill Goodwill Deferred tax liabilities acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Acquired assets including finite-lived intangible assets and goodwill Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] International Consumer Business International Consumer Business [Member] International Consumer Business [Member] Wild Bird Food Wild Bird Food [Member] Wild Bird Food Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Sale price of operations Disposal Group, Including Discontinued Operation, Consideration Contingent consideration maximum payout Disposal Group, Including Discontinued Operation, Contingent Consideration Disposal Group, Including Discontinued Operation, Contingent Consideration Proceeds from sale of business, net of seller financing Proceeds From Divestiture Of Businesses Net Of Seller Financing Proceeds From Divestiture Of Businesses Net Of Seller Financing Vendor financing loan Loans and Leases Receivable, Gross Financing loan term Financing Receivable, Term Financing Receivable, Term Annual interest rate Financing Receivable, Annual Interest Rate Financing Receivable, Annual Interest Rate Annual interest rate increases Financing Receivable, Annual Interest Rate Increase Financing Receivable, Annual Interest Rate Increase Fair value of contingent consideration Disposal Group, Including Discontinued Operation, Contingent Consideration, Fair Value Disclosure Disposal Group, Including Discontinued Operation, Contingent Consideration, Fair Value Disclosure Pre-tax gain on disposal Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Provision for income taxes Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation Write-off of foreign currency translation adjustment Disposal Group, Including Discontinued Operation, Write-Off Of Foreign Currency Translation Adjustment, Before Tax Disposal Group, Including Discontinued Operation, Write-Off Of Foreign Currency Translation Adjustment, Before Tax Adjustment to gain on the contribution Discontinued Operation, Amount of Adjustment to Prior Period Gain (Loss) on Disposal, before Income Tax License agreements Disposal Group, Including Discontinued Operation, License Agreement, Fair Value Disclosure Disposal Group, Including Discontinued Operation, License Agreement, Fair Value Disclosure Deferred licensing revenues Deferred Credits and Other Liabilities Restructuring transaction related charges Restructuring and Related Cost, Incurred Cost Restructuring costs Restructuring Charges Favorable adjustment to previously disclosed legal matter Gain (Loss) Related to Litigation Settlement Insurance reimbursement recoveries Insurance Recoveries Pre-tax charge recognized Loss Contingency, Loss in Period Loss contingency accrual Loss Contingency Accrual Cash provided by (used in) operating activities from discontinued operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Cash provided by (used in) investing activities from discontinued operations Cash Provided by (Used in) Investing Activities, Discontinued Operations Organization, Consolidation and Presentation of Financial Statements [Abstract] DETAIL OF CERTAIN FINANCIAL STATEMENT ACCOUNTS Detail Of Financial Statements Disclosure [Text Block] The detailed breakdown of certain financial statement accounts at the consolidated level. Restructuring and Related Activities [Abstract] Schedule of Impairment, Restructuring, and Other Charges Restructuring and Related Costs [Table Text Block] Schedule of Reserve Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring Basis Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Summary of the Unaudited Quarterly Results of Operations Quarterly Financial Information [Table Text Block] Segment Reporting [Abstract] Number of reportable segments Number of Reportable Segments Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] U.S. Consumer U.S. Consumer [Member] U.S. Consumer Other Other Segments [Member] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Growing media Growing media [Member] Growing media [Member] Lawn care Lawn Care [Member] Lawn Care [Member] Controls Controls [Member] Controls [Member] Roundup marketing agreement Roundup Marketing Agreement [Member] Roundup Marketing Agreement [Member] Other, primarily gardening and landscape Other Products [Member] Other Products [Member] Indoor, urban and hydroponic gardening Indoor, Urban And Hydroponic Gardening [Member] Indoor, Urban And Hydroponic Gardening [Member] Other, primarily gardening and controls Other, primarily gardening and controls [Member] Other, primarily gardening and controls Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] DEBT Debt Disclosure [Text Block] Fair Value Assets And Liabilities Measured On Recurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring Basis [Table] Fair Value, Assets and Liabilities Measured on Recurring Basis [Table] Senior Notes – 6.000% Senior Notes 6.00 Percent Due 2023 [Member] Senior Notes 6.00 Percent Due 2023 [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] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee Severance [Member] Employee Severance [Member] Restructuring and other charges, net Restructuring And Other Charges [Member] Restructuring And Other Charges [Member] Property, plant and equipment impairments Property, Plant And Equipment Impairments [Member] Property, Plant And Equipment Impairments [Member] Goodwill and intangible asset impairments Goodwill And Intangible Asset Impairments [Member] Goodwill And Intangible Asset Impairments [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of sales Cost of Sales [Member] Operating expenses Operating Expense [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring and other charges (recoveries) Restructuring, Settlement and Impairment Provisions Impairment, restructuring and other charges from continuing operations Impairment, Restructuring, And Other (Recoveries) Charges, Continuing Operations Impairment, Restructuring, And Other (Recoveries) Charges, Continuing Operations Restructuring and other charges (recoveries) from discontinued operations Total impairment, restructuring and other charges (recoveries) Total Impairment, Restructuring and Other Charges The aggregate costs and expenses related to impairment restructuring and other charges. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items). Restructuring Reserve Restructuring Reserve [Roll Forward] Amounts accrued for restructuring and other at beginning of year Restructuring Reserve Restructuring and other charges from continuing operations Restructuring And Other Related Charges, Continuing Operations Restructuring And Other Related Charges, Continuing Operations Restructuring and other charges (recoveries) from discontinued operations Payments and other Payments For Restructuring And Other The amount of cash paid during the reporting period for charges associated with restructuring charges and other related expenses. Amounts accrued for restructuring and other at end of year Restructuring And Other Related Charges, excluding Recoveries, Discontinued Operations Restructuring And Other Related Charges, excluding Recoveries, Discontinued Operations Restructuring And Other Related Charges, excluding Recoveries, Discontinued Operations Share-based compensation Share-Based Compensation Expense, Including Certain Impairment, Restructuring, And Other Charges Share-Based Compensation Expense, Including Certain Impairment, Restructuring, And Other Charges Tax benefit recognized Share-based Payment Arrangement, Expense, Tax Benefit Investments in and Advances to Affiliates [Table] Investments in and Advances to Affiliates [Table] Ownership [Axis] Ownership [Axis] Ownership [Domain] Ownership [Domain] Outdoor Home Services Holdings LLC Outdoor Home Services Holdings LLC [Member] Outdoor Home Services Holdings LLC [Member] U.S. Consumer United States Consumer Segment [Member] United States Consumer Segment [Member] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] TruGreen Joint Venture TruGreen Joint Venture [Member] TruGreen Joint Venture [Member] Industrial Turf and Ornamental Market Investment Unconsolidated Subsidiary Whose Products Support The Professional U.S. Industrial, Turf And Ornamental Market [Member] Unconsolidated Subsidiary Whose Products Support The Professional U.S. Industrial, Turf And Ornamental Market [Member] Investments in and Advances to Affiliates [Line Items] Investments in and Advances to Affiliates [Line Items] Initial fair value of interest Equity Method Investment, Quoted Market Value Excess distribution recorded as return of investment Investment in second lien term loan financing EquityMethodInvestmentLoanReceivableFromPartner The amount of cash due from a joint venture partner Reimbursement of expenses due to transition service agreement Proceeds from Collection of Finance Receivables Proceeds from dividend payments received Proceeds from Equity Method Investment, Distribution Distributions in excess of investment in unconsolidated affiliate Due to Affiliate, Noncurrent Proceeds from sale of investment in unconsolidated affiliates Proceeds collection of second lien term loan financing Proceeds from Collection of Advance to Affiliate Distributions intended to cover required tax payments Gain on sale of investments Gain on Sale of Investments Tax payments due to sale of equity interest Payments Of Income Taxes Due To Sale Of Equity Interest Payments Of Income Taxes Due To Sale Of Equity Interest Deferred tax liabilities, reclassified due to joint venture Deferred Tax Liabilities, Reclassified To Accrued Taxes, Due To Joint Venture Deferred Tax Liabilities, Reclassified To Accrued Taxes, Due To Joint Venture Equity investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Distribution of earnings from unconsolidated affiliate Proceeds from Contributions from Affiliates Investments in loans receivable Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Common Shares Common Stock [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Parent Parent [Member] Non-controlling Interest Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Equity beginning balance (in shares) Shares, Issued Equity beginning balance Stockholders' Equity Attributable to Parent Treasury shares, beginning balance (in shares) Shares, Outstanding Noncontrolling interest, beginning balance Stockholders' Equity Attributable to Noncontrolling Interest Total equity, beginning balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Adoption of new accounting pronouncements (see Note 1) New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Share-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Dividends declared ($2.230 per share) during the period ended September 30, 2019, Dividends declared ($2.140 per share) during the period ended September 30, 2018, Dividends declared ($2.030 per share) during the period ended 2017 Dividends Treasury share purchases (in shares) Treasury Stock, Shares, Acquired Treasury share purchases Treasury Stock, Value, Acquired, Cost Method Treasury share issuances (in shares) Treasury share issuances Stock Issued During Period, Value, Treasury Stock Reissued Adjustment to noncontrolling interest due to ownership change Noncontrolling Interest, Increase from Business Combination Distribution declared by AeroGrow Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Acquisition of remaining noncontrolling interest in Gavita Noncontrolling Interest, Adjustment Due To Ownership Change Noncontrolling Interest, Adjustment Due To Ownership Change Equity ending balance (in shares) Equity ending balance Treasury shares, ending balance (in shares) Noncontrolling interest, ending balance Total equity, ending balance DISCONTINUED OPERATIONS Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Federal Income Tax Note [Table] Federal Income Tax Note [Table] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Domain] Income Tax Authority, Name [Domain] State Administration of Taxation, China State Administration of Taxation, China [Member] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Discontinued Operations [Member] Discontinued Operations [Member] Income Tax Authority Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Foreign Country Foreign Tax Authority [Member] U.S. state and local tax authorities State and Local Jurisdiction [Member] Tax Period [Axis] Tax Period [Axis] Tax Period [Domain] Tax Period [Domain] Utilized by September 2018 Earliest Tax Year [Member] AeroGrow International Inc. Subsidiaries [Member] Investments, Owned, Federal Income Tax Note [Line Items] Investments, Owned, Federal Income Tax Note [Line Items] Statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Provisional net benefit Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Deferred Tax Liability, Provisional Income Tax (Expense) Benefit Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Deferred Tax Liability, Provisional Income Tax (Expense) Benefit Transition tax as result of measurement period adjustments Tax Cuts And Jobs Act Of 2017, Measurement Period Adjustment, Transition Tax For Accumulated Foreign Earnings, Provisional Income Tax Expense (Benefit) Tax Cuts And Jobs Act Of 2017, Measurement Period Adjustment, Transition Tax For Accumulated Foreign Earnings, Provisional Income Tax Expense (Benefit) Undistributed earnings of foreign subsidiaries Undistributed Earnings of Foreign Subsidiaries Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount Valuation allowance of excess foreign tax credits SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Valuation allowance for net operating losses Deferred Tax Assets, Valuation Allowance Foreign net operating losses Deferred Tax Assets, Operating Loss Carryforwards, Foreign Foreign tax credit carryovers Deferred Tax Assets, Tax Credit Carryforwards, Foreign Statutory tax benefit of net operating loss carryovers and related valuation allowances Operating Loss Carryforwards, Valuation Allowance Federal net operating loss Operating Loss Carryforwards State net operating losses carryforward State Net Operating Losses Carryforward Operating Loss Carryforwards, State and Local State net operating losses carryforward period, minimum State Net Operating Losses Carryforward Period, Minimum Tax Loss Carryforwards, Minimum Period Carried Forward State net operating losses carryforward period, maximum State Net Operating Losses Carryforward Period, Maximum Tax Loss Carryforwards, Maximum Period Carried Forward Tax benefits associated with state tax credits Tax Credit Carryforward, Amount Valuation allowance for state credits Tax Credit Carryforward, Valuation Allowance Gross unrecognized tax benefits Unrecognized tax benefits that would have an impact on the effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Unrecognized tax benefits accrued payment of interest Unrecognized Tax Benefits, Interest on Income Taxes Accrued Unrecognized tax benefits accrued payment of penalties Unrecognized Tax Benefits, Income Tax Penalties Accrued Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Award Type [Domain] Performance Based Units Performance Shares [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] No. of Units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Beginning Balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Ending Balance (in shares) Wtd. Avg. Grant Date Fair Value per Unit Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Beginning Balance (USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (USD 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 Vested (USD 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 Forfeited (USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Ending Balance (USD per share) FINANCIAL INFORMATION FOR SUBSIDIARY GUARANTORS AND NON-GUARANTORS Condensed Financial Information of Parent Company Only Disclosure [Text Block] Dividends declared (USD per share) Common Stock, Dividends, Per Share, Declared Unconditional Purchase Obligations That Have Not Been Recognized Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] 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] Marketing Agreement Amendment Brand Extension Agreement Brand Extension Agreement [Member] Brand Extension Agreement [Member] Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Line Items] Total indefinite-lived intangible assets Indefinite-lived Intangible Assets (Excluding Goodwill) Total intangible assets, net Intangible Assets, Net (Excluding Goodwill) Schedule of Finite-Lived Intangible Assets by Major Class [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets [Axis] Finite-Lived Intangible Assets Technology Developed Technology Rights [Member] Other Other Intangible Assets [Member] Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Total finite-lived intangible assets, net Finite-Lived Intangible Assets, Net Marketing Agreement [Table] Marketing Agreement [Table] Marketing Agreement [Table] Marketing Agreement [Line Items] Marketing Agreement [Line Items] Marketing Agreement [Line Items] Gross commission Commission Income (Expense), Gross Commission Income (Expense), Gross Contribution expenses Cost of Goods and Services Sold Amortization of marketing fee Amortization of Other Deferred Charges Net commission Commission Income (Expense), Net Net commission revenue and expense during the period related to agency agreement. Reimbursements associated with Roundup® marketing agreement Revenues, Reimbursement, Marketing Agreement Revenues, Reimbursement, Marketing Agreement Total net sales associated with Roundup® marketing agreement Net Sales With Agency Agreement Net sales associated with Agency Agreement. COMMITMENTS Commitments Disclosure [Text Block] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Valuation Allowance [Table] Valuation Allowance [Table] Valuation Allowances and Reserves Type SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Allowance for doubtful accounts SEC Schedule, 12-09, Allowance, Credit Loss [Member] Income tax valuation allowance SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] Valuation Allowance [Line Items] Valuation Allowance [Line Items] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Balance at Beginning of Period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Reserves Acquired SEC Schedule, 12-09, Valuation Allowances and Reserves, Business Acquired Additions Charged to Expense Deductions Credited and Write-Offs SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Balance at End of Period Schedule II - Valuation and Qualifying Accounts SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Schedule of Defined Benefit Pension Plans Schedule of Defined Benefit Plans Disclosures [Table Text Block] Components of Net Periodic Benefit Cost Schedule of Net Benefit Costs [Table Text Block] Schedule of Other Information Schedule Of Allocation Of Plan Assets And Expected Future Benefit Payments [Table Text Block] Schedule Of Allocation Of Plan Assets And Expected Future Benefit Payments Fair Value of The Company's Pension Plan Asset Schedule of Changes in Fair Value of Plan Assets [Table Text Block] Leases [Abstract] Rent expense Operating Leases, Rent Expense, Net Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Change in projected benefit obligation: Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Benefit obligation at beginning of year Defined Benefit Plan, Benefit Obligation Interest cost Defined Benefit Plan, Interest Cost Impact On Benefit Obligation The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time included in the rollforward of benefit obligation. Actuarial (gain) loss Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Other Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change Foreign currency translation Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Projected benefit obligation at end of year Accumulated benefit obligation at end of year Defined Benefit Plan, Accumulated Benefit Obligation Change in plan assets: Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Fair value of plan assets at beginning of year Defined Benefit Plan, Plan Assets, Amount Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Employer contribution Defined Benefit Plan, Plan Assets, Contributions by Employer Benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Foreign currency translation Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Fair value of plan assets at end of year Unfunded status at end of year Defined Benefit Plan, Funded (Unfunded) Status of Plan Information for pension plans with an accumulated benefit obligation in excess of plan assets: Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract] Projected benefit obligation Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Accumulated benefit obligation Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Fair value of plan assets Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets Amounts recognized in the Consolidated Balance Sheets consist of: Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract] Noncurrent assets Assets for Plan Benefits, Defined Benefit Plan Current liabilities Liability, Defined Benefit Plan, Current Noncurrent liabilities Liability, Defined Benefit Plan, Noncurrent Total amount accrued Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Amounts recognized in accumulated other comprehensive loss consist of: Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract] Actuarial loss Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Prior service cost Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax Total amount recognized Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax Total change in other comprehensive loss attributable to: Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax [Abstract] Pension benefit gain (loss) during the period Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Reclassification of pension benefit losses to net income Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Prior service cost recognized during the period Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax Foreign currency translation Other Comprehensive Income Defined Benefit Plan Currency Translation Before Tax The net amount recognized in other comprehensive income attributed to foreign currency changes. Total change in other comprehensive loss Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax Amounts in accumulated other comprehensive loss expected to be recognized as components of net periodic benefit cost in fiscal 2020 are as follows: Defined Benefit Plan, Expected Amortization, Next Fiscal Year [Abstract] Actuarial loss Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year Prior service cost Defined Benefit Plan, Expected Amortization of Prior Service Cost (Credit), Next Fiscal Year Amount to be amortized into net periodic benefit cost Defined Benefit Plan, Expected Amortization, Next Fiscal Year Weighted average assumptions used in development of projected benefit obligation: Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Schedule of Authorized and Issued Shares Schedule of Stock by Class [Table Text Block] Schedule of Share-Based Awards Granted Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Schedule of Share-Based Compensation Share-based Payment Arrangement, Cost by Plan [Table Text Block] Schedule of Aggregate Stock Option Activity Share-based Payment Arrangement, Stock Appreciation Right, Activity [Table Text Block] Summary of Certain Information Pertaining to Stock Option Awards Outstanding and Exercisable Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block] Schedule of Intrinsic Value of Stock Option Awards Outstanding and Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block] Schedule of Restricted Share-Based Award Activity Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Schedule of Performance-Based Award Activity Schedule of Nonvested Performance-based Units Activity [Table Text Block] Statement of Cash Flows [Abstract] OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Impairment, restructuring and other Restructuring Costs and Asset Impairment Charges Share-based compensation expense Share-based Payment Arrangement, Noncash Expense Depreciation Depreciation Amortization Amortization Deferred taxes Deferred Income Tax Expense (Benefit) (Gain) loss on long-lived assets Gain (Loss) On Sale Of Long Lived Assets Gain (Loss) On Sale Of Long Lived Assets (Gain) loss on sale of business / unconsolidated affiliate Equity Method Investment, Realized Gain (Loss) on Disposal Equity in (income) loss and distributions from unconsolidated affiliates Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Recognition of accumulated foreign currency translation loss Translation Adjustment Functional To Reporting Currency, Write Off Translation Adjustment Functional To Reporting Currency, Write Off Changes in assets and liabilities, net of acquired businesses: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Prepaid and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable Increase (Decrease) in Accounts Payable Other current liabilities Increase (Decrease) in Other Current Liabilities Restructuring and other Increase (Decrease) in Restructuring Reserve Other non-current items Increase (Decrease) in Other Noncurrent Assets and Liabilities, Net Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities Proceeds from issuance of 5.250% Senior Notes Net increase (decrease) in cash and cash equivalents Cash and cash equivalents at beginning of year excluding cash classified within assets held for sale Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at beginning of year classified within assets held for sale Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Total Current Current Income Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Total Deferred Provision For Deferred Income tax Expense (Benefit) The component of total income tax expense representing the non-current liability for the estimated amount of income tax expected to be assessed in the future as a result of the reversal of timing differences. Provision (benefit) for income taxes Income Tax Expense (Benefit) Risks and Uncertainties [Abstract] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Net Sales Revenue from Contract with Customer Benchmark [Member] Net Accounts Receivable Accounts Receivable [Member] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Three Largest Customers Three Largest Customers [Member] Three Largest Customers [Member] Home Depot Home Depot [Member] Home Depot Lowe's Lowe's [Domain] Lowe's Walmart Walmart [Member] Walmart Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Concentration Risk, Percentage Concentration Risk, Percentage Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Property and equipment acquired under capital leases Fair Value of Assets Acquired Income taxes paid Income Taxes Paid, Net Condensed Statement of Comprehensive Income [Table] Condensed Statement of Comprehensive Income [Table] Condensed Statement of Income Captions [Line Items] Condensed Statement of Income Captions [Line Items] Net foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Net change in derivatives Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Net change in pension and other post-retirement benefits Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Total other comprehensive income (loss) Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive (income) loss attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent EQUITY Stockholders' Equity Note Disclosure [Text Block] Statement of Financial Position [Abstract] Accounts receivable, allowances Accounts Receivable, Allowance for Credit Loss, Current Common shares outstanding (in shares) Common Stock, Shares, Outstanding Treasury shares, at cost (in shares) Treasury Stock, Shares Property Subject to or Available for Operating Lease, by Major Property Class [Table] Property Subject to or Available for Operating Lease, by Major Property Class [Table] Property Subject to or Available for Operating Lease Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Domain] Property Subject to or Available for Operating Lease [Domain] Car and Light Truck Leases Property Lease Guarantee [Member] Property Subject to or Available for Operating Lease [Line Items] Property Subject to or Available for Operating Lease [Line Items] Residual value guarantee Residual Value of Leased Asset Derivative [Table] Derivative [Table] Interest Rate Swap, Instrument 1 Interest Rate Swap, Instrument 1 [Member] Interest Rate Swap, Instrument 1 [Member] Interest Rate Swap, Instrument 2 Interest Rate Swap, Instrument 2 [Member] Interest Rate Swap, Instrument 2 [Member] Interest Rate Swap, Instrument 3 Interest Rate Swap, Instrument 3 [Member] Interest Rate Swap, Instrument 3 [Member] Interest Rate Swap, Instrument 4 Interest Rate Swap, Instrument 4 [Member] Interest Rate Swap, Instrument 4 [Member] Interest Rate Swap, Instrument 5 Interest Rate Swap, Instrument 5 [Member] Interest Rate Swap, Instrument 5 [Member] Derivative [Line Items] Derivative [Line Items] Fixed rate (percentage) Derivative, Fixed Interest Rate Share-based Payment Arrangement, Option, Exercise Price Range [Table] Share-based Payment Arrangement, Option, Exercise Price Range [Table] Options Share-based Payment Arrangement, Option [Member] Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range Exercise Price Range [Axis] Exercise Price Range [Domain] Exercise Price Range [Domain] $38.81 - $49.19 Range 3 [Member] Range 3 $63.43 - $68.68 Range 4 [Member] Range 4 Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] Range of Exercise Price Share-based Payment Arrangement, Option, Exercise Price Range, End of Period [Abstract] Exercise Price, minimum (USD per share) Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit Exercise Price, maximum (USD per share) Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Awards Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract] No. of Options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Wtd. Avg. Remaining Life Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term WTD. Avg. Exercise Price (USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Awards Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] No. of Options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Wtd. Avg. Remaining Life Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term WTD. Avg. Exercise Price (USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Summary of Balance Sheet Accounts Disclosure Of Consolidating Balance Sheet [Table Text Block] Tabular disclosure of certain financial statement accounts in the consolidating balance sheet. Schedule of Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] EARNINGS PER COMMON SHARE Earnings Per Share [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 improvements Land Improvements [Member] Buildings Building [Member] Machinery and equipment Machinery and Equipment [Member] Furniture and fixtures Furniture and Fixtures [Member] Software Computer Software, Intangible Asset [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Estimated useful economic lives Property, Plant and Equipment, Useful Life Loss Contingencies [Table] Loss Contingencies [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] In re Scotts EZ Seed Litigation In Re Scotts EZ Seed Litigation [Member] In Re Scotts EZ Seed Litigation [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Accrued liabilities related to other regulatory matters which are accounted for in the Other liabilities Accrual for Environmental Loss Contingencies, Gross Litigation settlement, amount awarded to other party Litigation Settlement, Amount Awarded to Other Party Insurance recoveries Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Operating Activities [Axis] Operating Activities [Axis] Operating Activities [Domain] Operating Activities [Domain] Continuing Operations Continuing Operations [Member] Operating Segments Operating Segments [Member] Corporate Corporate, Non-Segment [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Income from continuing operations before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Intangible asset amortization Amortization of Intangible Assets Impairment, restructuring and other Equity in (income)/loss of unconsolidated affiliates Income (Loss) from Equity Method Investments Interest expense Interest Expense Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Capital expenditures Payments to Acquire Property, Plant, and Equipment, Excluding Discontinued Operations Payments to Acquire Property, Plant, and Equipment, Excluding Discontinued Operations Assets Assets Schedule of Share based Compensation Arrangements by Share based Payment Award, Performance Options [Table] Schedule of Share based Compensation Arrangements by Share based Payment Award, Performance Options [Table] Schedule of Share based Compensation Arrangements by Share based Payment Award, Performance Options [Table] Schedule of Share based Compensation Arrangements by Share based Payment Award, Performance Options [Line Items] Schedule of Share based Compensation Arrangements by Share based Payment Award, Performance Options [Line Items] Schedule of Share based Compensation Arrangements by Share based Payment Award, Performance Options [Line Items] No. of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Beginning balance (shares) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Exercised (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Forfeited (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Ending balance (shares) Exercisable (shares) Wtd. Avg. Exercise Price Beginning balance (USD per share) Granted (USD per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised (USD per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited (USD per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Ending balance (USD per share) Exercisable (USD per share) FAIR VALUE MEASUREMENTS Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Condensed Income Statement [Table] Condensed Income Statement [Table] Condensed Income Statements, Captions [Line Items] Condensed Income Statements, Captions [Line Items] Cost of sales Cost of sales—impairment, restructuring and other Cost Of Sales, Impairment, Restructuring And Other Charges The aggregate costs and expenses related to impairment restructuring and other charges related to cost of sales. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items). Gross profit Operating expenses: Operating Expenses [Abstract] Selling, general and administrative Selling, General and Administrative Expense Impairment, restructuring and other Other (income) expense, net Other Operating Income (Expense), Net Income (loss) from operations Operating Income (Loss) Equity (income) loss in subsidiaries Income (Loss) from Subsidiaries, before Tax Other non-operating (income) loss Other Nonoperating Income Equity in (income) loss of unconsolidated affiliates Interest expense Other non-operating (income) loss Income tax expense (benefit) from continuing operations Income (loss) from continuing operations Net income (loss) CONTINGENCIES Contingencies Disclosure [Text Block] IMPAIRMENT, RESTRUCTURING AND OTHER Restructuring, Impairment, and Other Activities Disclosure [Text Block] Effect of foreign operations Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent State taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Domestic Production Activities Deduction permanent difference Effective Income Tax Rate Reconciliation, Tax Contingency, State and Local, Percent Effect of other permanent differences Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Research and Experimentation and other federal tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Effect of tax contingencies Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent Effect of tax reform Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective income tax rate Effective Income Tax Rate Reconciliation, Percent OPERATING LEASES Leases of Lessee Disclosure [Text Block] Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedging Cash Flow Hedging [Member] Derivative Instruments, Gain (Loss) by Income Statement Location Income Statement and Other Comprehensive Income (Loss) Location [Domain] Interest expense Interest Expense [Member] Other income / expense, net Other Income (Expense), Net [Member] Other Income (Expense), Net [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Amount of Gain/(Loss) Recognized in AOCI Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Amount of Gain/(Loss) Reclassified From AOCI Into Statement of Operations Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Amount of Gain/(Loss) Recognized in Statement of Operations Derivative, Gain (Loss) on Derivative, Net Segment Financial Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Net sales by product category Revenue from External Customers by Products and Services [Table Text Block] Percentages of Three Largest Customers Consolidated Net Sales Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Net Sales and Long-lived Assets by Geographic Area Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Land and improvements Land and Land Improvements [Member] Software Software and Software Development Costs [Member] Capital Lease Obligations Assets Held under Capital Leases [Member] Aircraft Air Transportation Equipment [Member] Construction in progress Construction in Progress [Member] INVENTORIES: Inventory, Net [Abstract] Finished goods Inventory, Finished Goods, Gross Work-in-progress Inventory, Work in Process, Gross Raw materials Inventory, Raw Materials, Gross Inventories Inventory, Net PREPAID AND OTHER CURRENT ASSETS: Prepaid Expense and Other Assets, Current [Abstract] Receivable associated with brand extension asset sale Receivables From Sale Of Assets, Current Receivables From Sale Of Assets, Current Other Other Assets, Current Prepaid and other current assets Prepaid Expense and Other Assets, Current PROPERTY, PLANT AND EQUIPMENT, NET: Property, Plant and Equipment, Net [Abstract] Property, plant and equipment, gross Property, Plant and Equipment, Gross Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net Property, Plant and Equipment, Net OTHER ASSETS: Prepaid Expense and Other Assets [Abstract] Loans receivable Financing Receivable, after Allowance for Credit Loss Accrued pension, postretirement and executive retirement assets Contingent consideration receivable Business Combination, Contingent Consideration, Asset Bonnie Option Other Assets, Option To Acquire Additional Equity Interests Other Assets, Option To Acquire Additional Equity Interests Unamortized debt issuance costs Unamortized Debt Issuance Expense Other Other Assets, Miscellaneous Other assets Other Assets, Noncurrent OTHER CURRENT LIABILITIES: Other Liabilities, Current [Abstract] Accrued restructuring and other Restructuring Reserve, Current Advertising and promotional accruals Advertising And Promotional Accruals Accruals related to advertising and promotional activities. Payroll and other compensation accruals Employee-related Liabilities, Current Accrued interest Accrued Interest Accrued Interest Accrued insurance and claims Accrued Insurance Accrued taxes Accrued Income Taxes, Current Other Other Sundry Liabilities, Current Other current liabilities Other Liabilities, Current OTHER NON-CURRENT LIABILITIES: Other Liabilities, Noncurrent [Abstract] Accrued pension, postretirement and executive retirement liabilities Deferred tax liabilities Deferred Income Tax Liabilities, Net Deferred licensing revenue Deferred Revenue, Noncurrent Other Other Sundry Liabilities, Noncurrent Other non-current liabilities Other Liabilities, Noncurrent SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Condensed Financial Statements [Table] Condensed Financial Statements [Table] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Amortization expense in 2020 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Amortization expense in 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Two Amortization expense in 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Three Amortization expense in 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Four Amortization expense in 2024 Finite-Lived Intangible Assets, Amortization Expense, Year Five Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-09 Accounting Standards Update 2016-09 [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] AeroGrow International, Inc AeroGrow International, Inc [Member] AeroGrow International, Inc [Member] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] US Consumer: SMG Growing Media Inc [Member] SMG Growing Media Inc [Member] Principal Owner Principal Owner [Member] Miracle-Gro Miracle-Gro [Member] Miracle-Gro Performance units Share-Based Compensation Awards And Employee Stock Purchase Plan Share-Based Compensation Awards And Employee Stock Purchase Plan [Member] Share-Based Compensation Awards And Employee Stock Purchase Plan [Member] Restricted stock units Restricted Stock Units (RSUs) [Member] Project Focus Project Focus [Member] Project Focus Title of Individual [Axis] Title of Individual [Axis] Title of Individual [Domain] Title of Individual [Domain] Director Director [Member] Officer Officer [Member] Ownership of outstanding common shares Ownership Of Outstanding Common Shares1 Percentage of continuing ownership interest by significant shareholders. Condition for ownership of voting stock Condition For Ownership Of Voting Stock, Percentage Maximum allowable percentage of voting power upon conversion. Tender offer for ownership of voting power (as a percent) Tender Offer For Ownership Of Voting Power, Percentage Tender Offer For Ownership Of Voting Power, Percentage Write off of foreign currency loss adjustment Stock repurchase authorization Stock Repurchase Program, Authorized Amount Stock repurchase period (years) Stock Repurchase Program, Period in Force Additional shares authorized repurchase Additional Shares Authorized For Repurchase, Value Additional amount of common shares authorized to be repurchased through authorized repurchase program. Number of common shares repurchased (in shares) Stock Repurchased During Period, Shares Value of common shares repurchased to be held in treasury Stock Repurchased During Period, Value Cash payments to tax authority when shares are withheld Payment, Tax Withholding, Share-based Payment Arrangement Share issued under employee purchase plan (in shares) Value of treasury shares for payment Total consideration transferred Noncontrolling interest Value of shares called by warrants Class Of Warrant Or Right, Value Of Securities Called By Warrants Or Rights Class Of Warrant Or Right, Value Of Securities Called By Warrants Or Rights Number of shares called by warrants (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Percent ownership Equity Method Investment, Ownership Percentage Dividends payable Dividends Payable Distribution declared by AeroGrow Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Expected forfeiture rate Share-Based Compensation Arrangement By Share-Based Payment Award, Expected Forfeiture Rate, Percentage Share-Based Compensation Arrangement By Share-Based Payment Award, Expected Forfeiture Rate, Percentage Expiration period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Share-based compensation awards granted, other than options (in shares) Performance period Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Performance Period Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Performance Period Fair value of award units granted Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Granted In Period, Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Granted In Period, Fair Value Vesting percent of target award Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Common share available for issue under share-based plan (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Common shares were available to underlie the grant of new share-based award (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Expected weighted average period for unrecognized compensation cost Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Tax benefit realized from tax deduction associated with exercise of stock options and vesting of restricted share awards Employee Service Share Based Compensation, Tax Benefit Realized From Exercise Of Share Based Awards And Vesting Of Restricted Stock Employee Service Share Based Compensation, Tax Benefit Realized From Exercise of Share Based Awards and Vesting of Restricted Stock Compensation costs not yet recognized, net Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Intrinsic value of stock options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Options granted (in shares) Compensation costs net yet recognized, restricted units, net Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Total fair value of share-based payment awards vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Schedule of Share based Compensation Arrangements by Share based Payment Award, Equity Instruments, Other Than Options, Restricted Stock Units [Table] Schedule of Share based Compensation Arrangements by Share based Payment Award, Equity Instruments, Other Than Options, Restricted Stock Units [Table] Schedule of Share based Compensation Arrangements by Share based Payment Award, Equity Instruments, Other Than Options, Restricted Stock Units [Table] Restricted Stock Units (RSUs) Schedule of Share based Compensation Arrangements by Share based Payment Award, Equity Instruments, Other Than Options, Restricted Stock Units [Line Items] Schedule of Share based Compensation Arrangements by Share based Payment Award, Equity Instruments, Other Than Options, Restricted Stock Units [Line Items] Schedule of Share based Compensation Arrangements by Share based Payment Award, Equity Instruments, Other Than Options, Restricted Stock Units [Line Items] No. of Shares Wtd. Avg. Grant Date Fair Value per Share Condensed Consolidating Statement of Operations Condensed Income Statement [Table Text Block] Condensed Consolidating Statement of Comprehensive Income Condensed Statement of Comprehensive Income [Table Text Block] Condensed Consolidating Statement of Cash Flows Condensed Cash Flow Statement [Table Text Block] Condensed Consolidating Balance Sheet Condensed Balance Sheet [Table Text Block] Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2020 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2021 Operating Leases, Future Minimum Payments, Due in Two Years 2022 Operating Leases, Future Minimum Payments, Due in Three Years 2023 Operating Leases, Future Minimum Payments, Due in Four Years 2024 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total future minimum lease payments Operating Leases, Future Minimum Payments Due Aggregate principal amount Debt Instrument, Face Amount Defined Benefit Plan, Postretirement Medical Plan with Prescription Drug Benefits [Abstract] ASSOCIATE MEDICAL BENEFITS Associate Medical Benefits [Text Block] Entire disclosure for postretirement medical plans that contain prescription drug coverage. Financial Instrument [Axis] Financial Instrument [Axis] Financial Instruments [Domain] Financial Instruments [Domain] MARP Agreement Master Accounts Receivable Purchase Agreement [Member] Master Accounts Receivable Purchase Agreement [Member] Amendments Master Repurchase And Framework Agreements, The Amendments [Member] Master Repurchase And Framework Agreements, The Amendments [Member] Maximum aggregate amount Financing Receivable, before Allowance for Credit Loss Committed up to limit under agreement Line of Credit Facility, Maximum Amount Outstanding During Period Borrowings or receivables pledged as collateral Long-term Debt, Gross Accounts receivable pledged Pledged Assets Separately Reported, Finance Receivables Pledged as Collateral, at Fair Value Cover page. Entities [Table] Entities [Table] Entity Information [Line Items] Entity Information [Line Items] Entity Interactive Data Current Entity Interactive Data Current Security Exchange Name Security Exchange Name Title of 12(b) Security Title of 12(b) Security City Area Code City Area Code Local Phone Number Local Phone Number Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Address Line One Entity Address, Address Line One Entity Tax Identification Number Entity Tax Identification Number Entity File Number Entity File Number Document Transition Report Document Transition Report Document Annual Report Document Annual Report 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 Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Emerging Growth Company Entity Emerging Growth Company Entity Small Business Entity Small Business Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float Receivables facility Capital Lease Obligations Capital Lease Obligations [Member] Other Debt Other [Member] Debt, Other Long-term Debt [Member] Long-term Debt [Member] Term loans Term Loan [Member] Term Loan [Member] Total debt Less current portions Long-term Debt, Current Maturities Less unamortized debt issuance costs Long-term debt Long-term Debt, Excluding Current Maturities Information to Calculate Basic and Diluted Earnings (Loss) Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] DEFERRED TAX ASSETS Deferred Tax Assets, Gross [Abstract] Inventories Deferred Tax Assets, Inventory Accrued liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Postretirement benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits Accounts receivable Deferred Tax Assets, Tax Deferred Expense, Accounts Receivable The tax effect as of the balance sheet date of the amount of estimated future tax deductions arising from accounts receivable and uncollectible accounts, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. Federal NOL carryovers Deferred Tax Assets, Operating Loss Carryforwards, Domestic State NOL carryovers Deferred Tax Assets, Operating Loss Carryforwards, State and Local Foreign NOL carryovers Interest rate swaps Deferred Tax Assets, Derivative Instruments Other Deferred Tax Assets, Other Gross deferred tax assets Deferred Tax Assets, Gross Valuation allowance Total deferred tax assets Deferred Tax Assets, Net of Valuation Allowance DEFERRED TAX LIABILITIES Deferred Tax Liabilities, Gross [Abstract] Property, plant and equipment Deferred Tax Liabilities, Property, Plant and Equipment Intangible assets Deferred Tax Liabilities, Goodwill and Intangible Assets Outside basis difference in equity investments Deferred Tax Liabilities, Investments, Outside Basis Difference In Equity Securities Deferred Tax Liabilities, Investments, Outside Basis Difference in Equity Securities Interest rate swaps Deferred Tax Liabilities, Derivatives Other Deferred Tax Liabilities, Other Total deferred tax liabilities Deferred Tax Liabilities, Gross Net deferred tax liability Deferred Tax Liabilities, Net Defined Benefit Plan, Fair Value of Plan Assets by Measurement Fair Value Hierarchy and NAV [Axis] Fair Value Plan Asset Measurement [Domain] Fair Value Hierarchy and NAV [Domain] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Investment Type Investment Type [Axis] Investment Type Categorization [Domain] Investments [Domain] Mutual funds Mutual Funds [Member] Mutual Funds Defined Benefit Plan by Plan Asset Categories Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan, Plan Assets, Category [Domain] Cash and cash equivalents Cash and Cash Equivalents [Member] Mutual funds—real estate Real Estate Funds [Member] Mutual funds—equities Equity Funds [Member] Mutual funds—fixed income Fixed Income Funds [Member] Insurance contracts Insurance Contracts [Member] Insurance Contracts Fair value of plan assets Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States International International [Member] International [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Long-lived assets Long-Lived Assets Components of net periodic benefit (income) cost: Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Net amortization Defined Benefit Plan, Amortization of Gain (Loss) Net periodic benefit (income) cost Net Periodic Benefit Cost The total amount of net periodic benefit cost for defined benefit plans for the period before settlements and curtailments. Settlement Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Total benefit (income) cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Weighted average assumptions used in development of net periodic benefit (income) cost: Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Weighted average discount rate - service cost Defined Benefit Plan, Assumptions Used Calculating Net Periodic Service Cost, Discount Rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Service Cost, Discount Rate Weighted average discount rate - interest cost Defined Benefit Plan, Assumptions Used Calculating Net Periodic Interest Cost, Discount Rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Interest Cost, Discount Rate Expected return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Income Statement [Abstract] Equity in (income) loss of unconsolidated affiliates Other non-operating (income) expense, net Income tax expense (benefit) from continuing operations Basic income (loss) per common share: Diluted income (loss) per common share: Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan by Benefit Plan Categories [Axis] Defined Benefit Plan by Benefit Plan Categories [Axis] Defined Benefit Plan by Benefit Plan Categories Defined Benefit Plan by Benefit Plan Categories [Domain] Defined Benefit Plan by Benefit Plan Categories [Domain] Defined Benefit Plan by Benefit Plan Categories [Domain] Gross Benefit Payments Other Postretirement Benefit Plans, Gross Payment [Member] Other Postretirement Benefit Plans, Gross Payment Retiree Contribution Retiree Contribution [Member] Retiree Contribution Net Company Payments Net Company Payments [Member] Future expected net company payments for Company's Associate Medical Benefit Plan Defined Benefit Plan Disclosure [Line Items] 2020 Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months 2021 Defined Benefit Plan, Expected Future Benefit Payment, Year Two 2022 Defined Benefit Plan, Expected Future Benefit Payment, Year Three 2023 Defined Benefit Plan, Expected Future Benefit Payment, Year Four 2024 Defined Benefit Plan, Expected Future Benefit Payment, Year Five 2025 – 2029 Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Net foreign currency translation adjustment, including reclassifications to net income of $2.5, $11.7 and $18.5 for fiscal 2019, fiscal 2018 and fiscal 2017, respectively Net unrealized gain (loss) on derivative instruments, net of tax of $(5.2), $3.3 and $3.1 for fiscal 2019, fiscal 2018 and fiscal 2017, respectively Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Reclassification of net unrealized (gains) losses on derivative instruments to net income, net of tax of $(0.5), $(1.1) and $1.1 for fiscal 2019, fiscal 2018 and fiscal 2017, respectively Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Net unrealized gain (loss) in pension and other post-retirement benefits, net of tax of $(3.9), $2.4 and $6.0 for fiscal 2019, fiscal 2018 and fiscal 2017, respectively Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Reclassification of net pension and other post-retirement benefit losses to net income, net of tax of $0.7, $0.4 and $2.3 for fiscal 2019, fiscal 2018 and fiscal 2017, respectively Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Inventories Prepaid and other current assets Total current assets Assets, Current Investment in unconsolidated affiliates Equity Method Investments Property, plant and equipment, net Intangible assets, net Other assets Intercompany assets Intercompany Assets Carrying amounts of assets as of the balance sheet date of all unsettled intercompany transactions. Total assets LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Current portion of debt Accounts payable Accounts Payable, Current Other current liabilities Total current liabilities Liabilities, Current Other liabilities Equity investment in subsidiaries Equity Method Investment, Underlying Equity in Net Assets Intercompany liabilities Intercompany Liabilities Carrying amounts of liabilities as of the balance sheet date of all unsettled intercompany transactions. Total liabilities Liabilities Total equity—controlling interest Noncontrolling interest Total equity Total liabilities and equity Liabilities and Equity Schedule of estimated useful economic lives of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Schedule of supplemental cash flow information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Accounts receivable, less allowances of $4.2 in 2019 and $3.6 in 2018 Commitments and contingencies (Notes 18, 19 and 20) Commitments and Contingencies Equity: Stockholders' Equity Attributable to Parent [Abstract] Common shares and capital in excess of $.01 stated value per share; shares outstanding of 55.8 in 2019 and 55.3 in 2018 Common Stocks, Including Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Treasury shares, at cost; 12.4 shares in 2019 and 12.8 shares in 2018 Treasury Stock, Value Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total equity—controlling interest Nature of Operations Nature Of Operations Policy [Policy Text Block] The disclosure for the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. Organization and Basis of Presentation Organization Consolidation And Presentation Of Financial Statements Disclosure [Policy Text Block] The disclosure for the business description and basis of presentation concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). Use of Estimates Use of Estimates, Policy [Policy Text Block] Advertising Advertising Cost [Policy Text Block] Research and Development Research and Development Expense, Policy [Policy Text Block] Environmental Costs Environmental Costs, Policy [Policy Text Block] Share-Based Compensation Awards Share-based Payment Arrangement [Policy Text Block] Earnings per Common Share Earnings Per Share, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Accounts Receivable and Allowances Receivable [Policy Text Block] Inventories Inventory, Policy [Policy Text Block] Loans Receivable Loans Receivable [Policy Text Block] loans Receivable [Policy Text Block] Long-lived Assets Long-lived Assets [Policy Text Block] Disclosure of accounting policy for property, plant and equipment and intangible assets which may include the basis of such assets, depreciation or amortization methods used and estimated useful lives, the entity's capitalization policy, including its accounting treatment for costs incurred for repairs and maintenance activities, whether such asset balances include capitalized interest and the method by which such is calculated, how disposals of such assets are accounted for and how impairment of such assets is assessed and recognized. Internal Use Software Internal Use Software, Policy [Policy Text Block] Goodwill and Indefinite-lived Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Insurance and Self-Insurance Self Insurance Reserve [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Translation of Foreign Currencies Foreign Currency Transactions and Translations Policy [Policy Text Block] Derivative Instruments Derivatives, Policy [Policy Text Block] Recently Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Postretirement Medical Benefits Postretirement Health Coverage [Member] Domestic Plan Domestic Plan [Member] Service cost Plan participants’ contributions Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant Actuarial (gain) loss Benefits paid Plan participants’ contributions Defined Benefit Plan, Fair Value of Plan Assets, Contributions by Plan Participants The amount of contributions made by plan participants. This item represents a periodic increase to the plan obligation and an increase to plan assets included in the rollforward of benefit obligation. Gross benefits paid Defined Benefit Plan, Fair Value Of Benefits Paid The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets included in the rollforward of benefit obligation. Current liabilities Total amount accrued Liability, Defined Benefit Plan Prior service credit Total change in other comprehensive (income) loss attributable to: Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract] Benefit loss (gain) during the period Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax Reclassification of prior service credit and benefit loss to net income Total change in other comprehensive (income) loss Discount rate used in development of APBO Equity securities Defined Benefit Plan, Equity Securities [Member] Debt securities Debt Securities [Member] Real estate securities Plan asset allocations: Defined Benefit Plan, Plan Assets, Allocations [Abstract] Plan asset allocations Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Expected company contributions in fiscal 2020 Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Expected future benefit payments: Defined Benefit Plan, Expected Future Benefit Payment [Abstract] 2025 – 2029 DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Instruments and Hedging Activities Disclosure [Text Block] Trademark Trademarks [Member] Employee Termination, Facility Closure, And Impairment Of Property, Plant And Equipment Employee Termination, Facility Closure, And Impairment Of Property, Plant And Equipment [Member] Employee Termination, Facility Closure, And Impairment Of Property, Plant And Equipment [Member] Employee Termination And Facility Closure Employee Termination And Facility Closure [Member] Employee Termination And Facility Closure [Member] Restructuring reserves classified as long-term Restructuring Reserve, Noncurrent Impairment, restructuring and other charges Restructuring cost incurred to date Restructuring and Related Cost, Cost Incurred to Date Goodwill impairment loss Goodwill, Impairment Loss Restructuring recoveries Restructuring Charges, Recoveries Restructuring Charges, Recoveries Impairment charge Asset Impairment Charges Schedule of Components of Long-Term Debt Schedule of Debt [Table Text Block] Schedule of Company's Debt Maturities Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Line Items] Goodwill [Line Items] Goodwill [Roll Forward] Goodwill [Roll Forward] Goodwill, gross (beginning of period) Goodwill, Gross Accumulated impairment losses Goodwill, Impaired, Accumulated Impairment Loss Goodwill, net (beginning of period) Acquisitions, net of purchase price adjustments Goodwill, Acquired During Period Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Impairment Goodwill, gross (end of period) Accumulated impairment losses Goodwill, net (end of period) Provision (Benefit) For Income Taxes Allocated to Continuing Operations Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] The Domestic and Foreign Components of Income From Continuing Operations Before Income Taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Reconciliation of the Federal Corporate Income Tax Rate and the Effective Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Components of Deferred Income Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Reconciliation of the Unrecognized Tax Benefits Reconciliation Of The Unrecognized Tax Benefits [Table Text Block] Unrecognized Tax Benefits Reconciliation, Table Amortization expense Unrecognized gain (loss) on derivatives, net of tax of $2.8, $(2.9) and $(1.3), respectively Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Tax impact on unrecognized loss on derivatives Unrecognized Loss On Derivatives, Tax The tax effect from accumulated change, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses. Pension and other postretirement liabilities, net of tax of $22.8, $31.4 and $33.4, respectively Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Tax impact on pension and other postretirement liabilities Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Tax The tax effect from the total of net (gain) loss, prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost. Foreign currency translation adjustment Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Accumulated other comprehensive loss Significant Accounting Policies [Table] Significant Accounting Policies [Table] Significant Accounting Policies [Table] Pro Forma Pro Forma [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other current liabilities Other Current Liabilities [Member] Other liabilities Other Liabilities [Member] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) [Member] Other Operating Income (Expense) Other Operating Income (Expense) [Member] Product Concentration Product Concentration Risk [Member] Inventories Inventories [Member] Fafard & Brothers Ltd. Fafard & Brothers Ltd. [Member] Fafard & Brothers Ltd. [Member] Growing Media Acquisition, Canada Growing Media Acquisition, Canada [Member] Growing Media Acquisition, Canada American Agritech, L.L.C. American Agritech, L.L.C. [Member] American Agritech, L.L.C. [Member] Scotts Canada, Ltd. Scotts Canada, Ltd. [Member] Scotts Canada, Ltd. [Member] Accounting Standards Update 2014-09 [Member] Accounting Standards Update 2014-09 [Member] Accounting Standards Update 2016-02 Accounting Standards Update 2016-02 [Member] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Significant Accounting Policies [Line Items] Advertising expenses Advertising Expense Research and development charge Research and Development Expense Product registration costs Product registration costs Costs incurred in relation to product registrations. Concentration percentage Adjustment to reflect inventories at net realizable values Inventory Valuation Reserves Interest income on loans receivable Interest Income, Other Loans receivable, fair value Loans Receivable, Fair Value Disclosure Interest capitalized on capital projects Interest Costs Capitalized Noncash investing activities for unpaid liabilities incurred Capital Expenditures Incurred but Not yet Paid Post-closing net working capital adjustment obligation Business Combinations, Post-Closing Working Capital Adjustment Obligation Business Combinations, Post-Closing Working Capital Adjustment Obligation Unamortized capitalized software costs Capitalized Computer Software, Net Amortization of capitalized internal use computer software Capitalized Computer Software, Amortization Number of reporting units Number of Reporting Units Recognition of accumulated foreign currency translation loss Foreign Currency Transaction Gain (Loss), before Tax Deferred licensing revenues Cumulative Effect of New Accounting Principle in Period of Adoption Reclassification from AOCI, Current Period, Tax Reclassification from AOCI, Current Period, Tax Right-of-use asset Right-Of-Use Asset Right-Of-Use Asset Lease liability Lease Liability Lease Liability Intangible assets amortization period Finite-Lived Intangible Asset, Useful Life Schedule of Future Minimum Rental Payments for Operating Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Prepaid and other current assets Prepaid Expenses and Other Current Assets [Member] Other assets Other Assets [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Derivative asset Derivative Asset, Fair Value, Gross Asset Derivative liability Derivative Liability, Fair Value, Gross Liability Total derivatives instruments Derivative, Fair Value, Net Results of discontinued operations and schedule of the major classes of assets and liabilities Disposal Groups, Including Discontinued Operations [Table Text Block] GOODWILL AND INTANGIBLE ASSETS, NET Goodwill and Intangible Assets Disclosure [Text Block] Face amount of debt Payment for debt redemption Repayments of Senior Debt Accrued interest Repayments Of Senior Debt, Accrued And Unpaid Interest Repayments Of Senior Debt, Accrued And Unpaid Interest Redemption premium Repayments Of Senior Debt, Redemption Premium Repayments Of Senior Debt, Redemption Premium Outstanding principal Repayments Of Senior Debt, Outstanding Principal Repayments Of Senior Debt, Outstanding Principal Unamortized debt issuance costs Debt Issuance Costs, Net Employees Key Employees [Member] key Employees Board of Directors Board of Directors Chairman [Member] Deferred stock units Deferred Stock Units [Member] Deferred Stock Units Total share-based awards (in shares) Grant Of Share Based Compensation Awards Total Grants of Share-Based Compensation Awards. Aggregate fair value at grant dates (in millions) Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture INCOME TAXES Income Tax Disclosure [Text Block] Revenue from Contract with Customer [Abstract] REVENUE RECOGNITION Revenue from Contract with Customer [Text Block] Urea Urea [Member] Urea [Member] Resin 2821 Plastic Materials, Synthetic Resins and Nonvulcan Elastomers [Member] Diesel Diesel Fuel [Member] Diesel Fuel [Member] Heating Oil Heating Oil [Member] Outstanding commodity contracts, mass Derivative, Nonmonetary Notional Amount, Mass Outstanding commodity contracts, volume Derivative, Nonmonetary Notional Amount, Volume Rollforward of Carrying Amount of Goodwill by Reportable Segment Schedule of Goodwill [Table Text Block] Schedule of Finite-lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Indefinite-lived Intangible Assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Schedule of Future Estimates of Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Changes in Accumulated Postemployment Benefit Obligations Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block] Schedule of Expected Benefit Payments Schedule of Expected Benefit Payments [Table Text Block] ACQUISITIONS AND INVESTMENTS Business Combination Disclosure [Text Block] Self-insurance per occurrence Company Self Insurance Per Occurrence Per Individual Postretirement Benefits Medical Coverage, Annual Limit Benefits cost recognized Other Postretirement Benefits Cost (Reversal of Cost) Minimum retirement age Minimum Retirement Age To Eligible Employees retirement age to be eligible to receive benefits. Number of years of service Number Of Minimum Service For Eligibility Postretirement Medical Benefits Number Of Years Of Service For Eligibility Net periodic benefit (income) Actuarial loss to be amortized into net periodic benefit cost Health care cost trend rate Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year Ultimate trend rate Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Reported Value Measurement Reported Value Measurement [Member] Estimate of Fair Value Measurement Estimate of Fair Value Measurement [Member] Other Long-term Debt Other Long-term Debt [Member] Other Long-term Debt [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Derivative assets Derivative Asset Other Other Assets, Fair Value Disclosure Derivative liabilities Derivative Liability