$SMG
SCOTTS MIRACLE-GRO CO Stock $smg

$smg Overview Financials Valuation SEC Filings Company Website

2019 Q3 Form 10-K Financial Statement

#000154638019000034 Filed on November 27, 2019

Income Statement

Concept	2019 Q3	2018 Q3	2018 Q2
Revenue	$497.7M	$433.9M	$994.6M
YoY Change	14.7%	15.18%	-8.3%
Cost Of Revenue	$405.7M	$350.8M	$635.9M
YoY Change	15.65%	-40.54%	2.51%
Gross Profit	$89.50M	$73.70M	$347.6M
YoY Change	21.44%	-16.35%	-25.13%
Gross Profit Margin	17.98%	16.99%	34.95%
Selling, General & Admin	$119.9M	$101.4M	$144.5M
YoY Change	18.24%	-33.9%	-19.18%
% of Gross Profit	133.97%	137.58%	41.57%
Research & Development	$10.80M	$11.80M	$10.90M
YoY Change	-8.47%	16.83%	13.54%
% of Gross Profit	12.07%	16.01%	3.14%
Depreciation & Amortization	$22.30M	$22.60M	$21.20M
YoY Change	-1.33%	13.57%	7.07%
% of Gross Profit	24.92%	30.66%	6.1%
Operating Expenses	$144.8M	$122.5M	$144.5M
YoY Change	18.2%	-20.14%	-19.18%
Operating Profit	-$55.30M	-$48.80M	$185.7M
YoY Change	13.32%	-120.67%	-34.91%
Interest Expense	-$17.30M	-$16.70M	$23.20M
YoY Change	3.59%	-176.61%	7.91%
% of Operating Profit			12.49%
Other Income/Expense, Net	$2.300M	$2.500M	$2.600M
YoY Change	-8.0%
Pretax Income	-$73.40M	-$165.9M	$166.2M
YoY Change	-55.76%	-174.9%	-30.66%
Income Tax	-$17.80M	-$39.50M	$40.70M
% Of Pretax Income			24.49%
Net Earnings	-$57.90M	-$147.0M	$82.90M
YoY Change	-60.61%	340.12%	-49.79%
Net Earnings / Revenue	-11.63%	-33.88%	8.34%
Basic Earnings Per Share	-$1.04	-$2.65	$1.50
Diluted Earnings Per Share	-$1.04	-$2.65	$1.47
COMMON SHARES
Basic Shares Outstanding	55.70M shares	55.40M shares	55.40M shares
Diluted Shares Outstanding	55.70M shares	55.40M shares	56.30M shares

Balance Sheet

Concept	2019 Q3	2018 Q3	2018 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$18.80M	$33.90M	$29.60M
YoY Change	-44.54%	-71.54%	-60.16%
Cash & Equivalents	$18.80M	$33.90M	$29.60M
Short-Term Investments
Other Short-Term Assets	$59.00M	$59.90M	$84.40M
YoY Change	-1.5%	-59.11%	-45.72%
Inventory	$540.3M	$481.4M	$500.5M
Prepaid Expenses
Receivables	$223.9M	$226.0M	$387.8M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.042B	$885.7M	$1.319B
YoY Change	17.61%	0.45%	-35.58%
LONG-TERM ASSETS
Property, Plant & Equipment	$546.0M	$530.8M	$517.6M
YoY Change	2.86%	13.49%	18.42%
Goodwill	$538.7M	$543.0M	$621.2M
YoY Change	-0.79%	22.96%	55.07%
Intangibles	$707.5M	$857.3M	$879.6M
YoY Change	-17.47%	14.47%	21.02%
Long-Term Investments	$0.00	$36.10M	$34.40M
YoY Change	-100.0%	16.08%	-42.57%
Other Assets	$194.8M	$201.6M	$192.1M
YoY Change	-3.37%	14.55%	59.82%
Total Long-Term Assets	$1.987B	$2.169B	$2.245B
YoY Change	-8.38%	16.27%	28.68%
TOTAL ASSETS
Total Short-Term Assets	$1.042B	$885.7M	$1.319B
Total Long-Term Assets	$1.987B	$2.169B	$2.245B
Total Assets	$3.029B	$3.055B	$3.564B
YoY Change	-0.84%	11.19%	-6.02%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$214.2M	$150.5M	$195.6M
YoY Change	42.33%	-1.7%	-27.77%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$128.1M	$132.6M	$314.5M
YoY Change	-3.39%	-7.34%	879.75%
Total Short-Term Liabilities	$620.5M	$612.7M	$825.3M
YoY Change	1.27%	12.53%	6.39%
LONG-TERM LIABILITIES
Long-Term Debt	$1.524B	$1.884B	$1.975B
YoY Change	-19.13%	49.75%	-3.3%
Other Long-Term Liabilities	$161.5M	$176.5M	$210.0M
YoY Change	-8.5%	-32.35%	-25.53%
Total Long-Term Liabilities	$1.685B	$2.060B	$2.185B
YoY Change	-18.22%	35.64%	-6.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$620.5M	$612.7M	$825.3M
Total Long-Term Liabilities	$1.685B	$2.060B	$2.185B
Total Liabilities	$2.306B	$2.695B	$3.033B
YoY Change	-14.45%	29.23%	-2.19%
SHAREHOLDERS EQUITY
Retained Earnings	$1.275B	$919.9M	$1.098B
YoY Change	38.57%	-5.96%	19.16%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$904.3M	$939.6M	$927.5M
YoY Change	-3.76%	40.7%	75.6%
Treasury Stock Shares	12.40M shares	12.80M shares	12.70M shares
Shareholders Equity	$718.7M	$354.6M	$526.4M
YoY Change
Total Liabilities & Shareholders Equity	$3.029B	$3.055B	$3.564B
YoY Change	-0.84%	11.19%	-6.02%

Cashflow Statement

Concept	2019 Q3	2018 Q3	2018 Q2
OPERATING ACTIVITIES
Net Income	-$57.90M	-$147.0M	$82.90M
YoY Change	-60.61%	340.12%	-49.79%
Depreciation, Depletion And Amortization	$22.30M	$22.60M	$21.20M
YoY Change	-1.33%	13.57%	7.07%
Cash From Operating Activities	$304.5M	$345.9M	$479.4M
YoY Change	-11.97%	-40.42%	-271.7%
INVESTING ACTIVITIES
Capital Expenditures	-$13.60M	-$27.50M	-$7.600M
YoY Change	-50.55%	198.91%	-54.49%
Acquisitions
YoY Change
Other Investing Activities	$5.300M	$9.100M	-$406.8M
YoY Change	-41.76%	-181.98%	-8943.48%
Cash From Investing Activities	-$8.300M	-$18.40M	-$414.4M
YoY Change	-54.89%	-9.36%	3324.79%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-313.6M	-324.6M	-64.90M
YoY Change	-3.39%	-37.48%	-123.53%
NET CHANGE
Cash From Operating Activities	304.5M	345.9M	479.4M
Cash From Investing Activities	-8.300M	-18.40M	-414.4M
Cash From Financing Activities	-313.6M	-324.6M	-64.90M
Net Change In Cash	-17.40M	2.900M	100.0K
YoY Change	-700.0%	-92.94%	-100.65%
FREE CASH FLOW
Cash From Operating Activities	$304.5M	$345.9M	$479.4M
Capital Expenditures	-$13.60M	-$27.50M	-$7.600M
Free Cash Flow	$318.1M	$373.4M	$487.0M
YoY Change	-14.81%	-36.69%	-285.52%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0000825542
CY2017Q3	smg	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax	33400000	USD
CY2018Q3	smg	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax	31400000	USD
CY2019Q3	smg	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax	22800000	USD
CY2017	smg	Percentage Of Annual Net Sales PercentageOfAnnualNetSales	0.75
CY2018	smg	Percentage Of Annual Net Sales PercentageOfAnnualNetSales	0.75
CY2017Q3	smg	Unrecognized Loss On Derivatives Tax UnrecognizedLossOnDerivativesTax	1300000	USD
CY2018Q3	smg	Unrecognized Loss On Derivatives Tax UnrecognizedLossOnDerivativesTax	2900000	USD
CY2019Q3	smg	Unrecognized Loss On Derivatives Tax UnrecognizedLossOnDerivativesTax	-2800000	USD
CY2018Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3600000	USD
CY2019Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	4200000	USD
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.03
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.140
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.23
CY2018Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	55300000	shares
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	55800000	shares
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	6000000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	2400000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-3900000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	18500000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	11700000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	2500000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	-1100000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	1100000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax	500000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	2300000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	400000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	700000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	3100000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	3300000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	-5200000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2014Q3	us-gaap	Stock Repurchase Program Period In Force1 StockRepurchaseProgramPeriodInForce1	P5Y
CY2018Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	12800000	shares
CY2019Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	12400000	shares
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	001-11593
CY2019	dei	Entity Registrant Name EntityRegistrantName	Scotts Miracle-Gro Co
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	OH
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	31-1414921
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	14111 Scottslawn Road,
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Marysville,
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	OH
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	43041
CY2019	dei	City Area Code CityAreaCode	937
CY2019	dei	Local Phone Number LocalPhoneNumber	644-0011
CY2019	dei	Security12b Title Security12bTitle	Common Shares, $0.01 stated value
CY2019	dei	Trading Symbol TradingSymbol	SMG
CY2019	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019Q1	dei	Entity Public Float EntityPublicFloat	3085305949	USD
CY2019Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	55819060	shares
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3156000000.0	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2663400000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2642100000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	2130500000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1778300000	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1669500000	USD
CY2019	smg	Cost Of Sales Impairment Restructuring And Other Charges CostOfSalesImpairmentRestructuringAndOtherCharges	5900000	USD
CY2018	smg	Cost Of Sales Impairment Restructuring And Other Charges CostOfSalesImpairmentRestructuringAndOtherCharges	20500000	USD
CY2017	smg	Cost Of Sales Impairment Restructuring And Other Charges CostOfSalesImpairmentRestructuringAndOtherCharges	0	USD
CY2019	us-gaap	Gross Profit GrossProfit	1019600000	USD
CY2018	us-gaap	Gross Profit GrossProfit	864600000	USD
CY2017	us-gaap	Gross Profit GrossProfit	972600000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	601300000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	540100000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	550900000	USD
CY2019	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	7400000	USD
CY2018	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	132300000	USD
CY2017	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	4900000	USD
CY2019	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-1300000	USD
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CY2017	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	16600000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	409600000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	198900000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	433400000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3300000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	4900000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-29000000.0	USD
CY2019	us-gaap	Interest Expense InterestExpense	101800000	USD
CY2018	us-gaap	Interest Expense InterestExpense	86400000	USD
CY2017	us-gaap	Interest Expense InterestExpense	76100000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	270500000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1700000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-13400000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	581600000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	115700000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	314900000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	144900000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-11900000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	116600000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	436700000	USD
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CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	23500000	USD
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CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	20500000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	460200000	USD
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CY2017	us-gaap	Profit Loss ProfitLoss	218800000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-500000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	500000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	63700000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	218300000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	7.88
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CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.42
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CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.30
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.13
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.68
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	7.77
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CY2017	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.29
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.41
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-1.11
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.34
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.18
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.12
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.63
CY2019	us-gaap	Profit Loss ProfitLoss	460200000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	63700000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	218800000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-8700000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	9000000.0	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	28200000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-14900000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	9300000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	4900000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	1500000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	3100000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1800000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-11100000	USD
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	6700000	USD
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	9600000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	2100000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	1300000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	3600000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-34100000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	23200000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	48100000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	426100000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	86900000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	266900000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-500000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	900000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	426600000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	86900000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	266000000.0	USD
CY2019	us-gaap	Profit Loss ProfitLoss	460200000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	63700000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	218800000	USD
CY2019	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	700000	USD
CY2018	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	121500000	USD
CY2017	us-gaap	Restructuring Costs And Asset Impairment Charges RestructuringCostsAndAssetImpairmentCharges	1200000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	38400000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	40400000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	25200000	USD
CY2019	us-gaap	Depreciation Depreciation	55900000	USD
CY2018	us-gaap	Depreciation Depreciation	53400000	USD
CY2017	us-gaap	Depreciation Depreciation	55100000	USD
CY2019	us-gaap	Adjustment For Amortization AdjustmentForAmortization	33400000	USD
CY2018	us-gaap	Adjustment For Amortization AdjustmentForAmortization	30000000.0	USD
CY2017	us-gaap	Adjustment For Amortization AdjustmentForAmortization	25000000.0	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-33300000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-87600000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-17400000	USD
CY2019	smg	Gain Loss On Sale Of Long Lived Assets GainLossOnSaleOfLongLivedAssets	-1100000	USD
CY2018	smg	Gain Loss On Sale Of Long Lived Assets GainLossOnSaleOfLongLivedAssets	600000	USD
CY2017	smg	Gain Loss On Sale Of Long Lived Assets GainLossOnSaleOfLongLivedAssets	3300000	USD
CY2019	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	262600000	USD
CY2018	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	-700000	USD
CY2017	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	31700000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-1600000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	4900000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-32600000	USD
CY2019	smg	Translation Adjustment Functional To Reporting Currency Write Off TranslationAdjustmentFunctionalToReportingCurrencyWriteOff	2500000	USD
CY2018	smg	Translation Adjustment Functional To Reporting Currency Write Off TranslationAdjustmentFunctionalToReportingCurrencyWriteOff	11700000	USD
CY2017	smg	Translation Adjustment Functional To Reporting Currency Write Off TranslationAdjustmentFunctionalToReportingCurrencyWriteOff	0	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-600000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2700000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-48600000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	65000000.0	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-14300000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-3600000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	11000000.0	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-18000000.0	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	12200000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	54300000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-3900000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	9000000.0	USD
CY2019	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	49700000	USD
CY2018	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	4500000	USD
CY2017	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	26900000	USD
CY2019	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	-100200000	USD
CY2018	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	100100000	USD
CY2017	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	-8700000	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	300000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	13600000	USD
CY2017	us-gaap	Increase Decrease In Other Noncurrent Assets And Liabilities Net IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet	10400000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-800000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	2500000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-900000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	226800000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	342500000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	363200000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2100000	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	5100000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	5700000	USD
CY2019	smg	Post Closing Working Capital Payment Related To Divestiture PostClosingWorkingCapitalPaymentRelatedToDivestiture	0	USD
CY2018	smg	Post Closing Working Capital Payment Related To Divestiture PostClosingWorkingCapitalPaymentRelatedToDivestiture	35300000	USD
CY2017	smg	Post Closing Working Capital Payment Related To Divestiture PostClosingWorkingCapitalPaymentRelatedToDivestiture	0	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
CY2018	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
CY2017	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	180300000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	42400000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	68200000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	69600000	USD
CY2019	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	0	USD
CY2018	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	17100000	USD
CY2017	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	29700000	USD
CY2019	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	20800000	USD
CY2018	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	14300000	USD
CY2017	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	0	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	274300000	USD
CY2018	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	0	USD
CY2017	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	0	USD
CY2019	smg	Payments Of Proceeds From Distributions To Fromaffiliates PaymentsOfProceedsFromDistributionsToFromaffiliates	0	USD
CY2018	smg	Payments Of Proceeds From Distributions To Fromaffiliates PaymentsOfProceedsFromDistributionsToFromaffiliates	100000	USD
CY2017	smg	Payments Of Proceeds From Distributions To Fromaffiliates PaymentsOfProceedsFromDistributionsToFromaffiliates	-57400000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	6600000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	492900000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	121700000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-7000000.0	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-13500000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	255200000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-580700000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	22400000	USD
CY2019	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	1056200000	USD
CY2018	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	2987000000.0	USD
CY2017	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	1449300000	USD
CY2019	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	1445500000	USD
CY2018	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	2312900000	USD
CY2017	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	1618300000	USD
CY2019	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	250000000.0	USD
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	200000	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	6100000	USD
CY2017	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	4400000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	124500000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	120000000.0	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	120300000	USD
CY2019	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	0	USD
CY2018	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	0	USD
CY2017	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	8100000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3100000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	327700000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	255200000	USD
CY2019	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	800000	USD
CY2018	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	8900000	USD
CY2017	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	28700000	USD
CY2019	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2018	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	7900000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	21400000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	10500000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	11000000.0	USD
CY2019	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	0	USD
CY2018	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	70700000	USD
CY2017	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-496500000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	151200000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-316800000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-600000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	400000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1600000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-15100000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-86600000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	70400000	USD
CY2018Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	33900000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	120500000	USD
CY2016Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	28600000	USD
CY2018Q3	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	0	USD
CY2017Q3	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	0	USD
CY2016Q3	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	21500000	USD
CY2016Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	50100000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	18800000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	33900000	USD
CY2017Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	120500000	USD
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	18800000	USD
CY2018Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	33900000	USD
CY2019Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	223900000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	33900000	USD
CY2017Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	120500000	USD
CY2018Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	226000000.0	USD
CY2019Q3	us-gaap	Pledged Assets Separately Reported Finance Receivables Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedFinanceReceivablesPledgedAsCollateralAtFairValue	84500000	USD
CY2018Q3	us-gaap	Pledged Assets Separately Reported Finance Receivables Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedFinanceReceivablesPledgedAsCollateralAtFairValue	84500000	USD
CY2019Q3	us-gaap	Inventory Net InventoryNet	540300000	USD
CY2018Q3	us-gaap	Inventory Net InventoryNet	481400000	USD
CY2019Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	174200000	USD
CY2018Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	59900000	USD
CY2019Q3	us-gaap	Assets Current AssetsCurrent	1041700000	USD
CY2018Q3	us-gaap	Assets Current AssetsCurrent	885700000	USD
CY2019Q3	us-gaap	Equity Method Investments EquityMethodInvestments	0	USD
CY2018Q3	us-gaap	Equity Method Investments EquityMethodInvestments	36100000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	546000000.0	USD
CY2018Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	530800000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	538700000	USD
CY2018Q3	us-gaap	Goodwill Goodwill	543000000.0	USD
CY2019Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	707500000	USD
CY2018Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	857300000	USD
CY2019Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	194800000	USD
CY2018Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	201600000	USD
CY2019Q3	us-gaap	Assets Assets	3028700000	USD
CY2018Q3	us-gaap	Assets Assets	3054500000	USD
CY2019Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	128100000	USD
CY2018Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	132600000	USD
CY2019Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	214200000	USD
CY2018Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	150500000	USD
CY2019Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	278200000	USD
CY2018Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	329600000	USD
CY2019Q3	us-gaap	Liabilities Current LiabilitiesCurrent	620500000	USD
CY2018Q3	us-gaap	Liabilities Current LiabilitiesCurrent	612700000	USD
CY2019Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1523500000	USD
CY2018Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1883800000	USD
CY2019Q3	us-gaap	Due To Affiliate Noncurrent DueToAffiliateNoncurrent	0	USD
CY2018Q3	us-gaap	Due To Affiliate Noncurrent DueToAffiliateNoncurrent	21900000	USD
CY2019Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	161500000	USD
CY2018Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	176500000	USD
CY2019Q3	us-gaap	Liabilities Liabilities	2305500000	USD
CY2018Q3	us-gaap	Liabilities Liabilities	2694900000	USD
CY2019Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q3	us-gaap	Common Stocks Including Additional Paid In Capital CommonStocksIncludingAdditionalPaidInCapital	442200000	USD
CY2018Q3	us-gaap	Common Stocks Including Additional Paid In Capital CommonStocksIncludingAdditionalPaidInCapital	420300000	USD
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1274700000	USD
CY2018Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	919900000	USD
CY2019Q3	us-gaap	Treasury Stock Value TreasuryStockValue	904300000	USD
CY2018Q3	us-gaap	Treasury Stock Value TreasuryStockValue	939600000	USD
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-93900000	USD
CY2018Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-46000000.0	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	718700000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	354600000	USD
CY2019Q3	us-gaap	Minority Interest MinorityInterest	4500000	USD
CY2018Q3	us-gaap	Minority Interest MinorityInterest	5000000.0	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	723200000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	359600000	USD
CY2019Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3028700000	USD
CY2018Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3054500000	USD
CY2016Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	734300000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	218800000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	48100000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	33400000	USD
CY2017	us-gaap	Dividends Dividends	121900000	USD
CY2017	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	255000000.0	USD
CY2017	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	12100000	USD
CY2017	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	0	USD
CY2017	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	8100000	USD
CY2017Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	661700000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	63700000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	23200000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	40500000	USD
CY2018	us-gaap	Dividends Dividends	122000000.0	USD
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	326100000	USD
CY2018	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	32200000	USD
CY2018	smg	Noncontrolling Interest Adjustment Due To Ownership Change NoncontrollingInterestAdjustmentDueToOwnershipChange	-13600000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	359600000	USD
CY2019	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	9100000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	460200000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-34100000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	38400000	USD
CY2019	us-gaap	Dividends Dividends	128800000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2700000	USD
CY2019	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	21500000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	723200000	USD
CY2019	smg	Percentage Of Annual Net Sales PercentageOfAnnualNetSales	0.75
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;padding-top:18px;text-indent:16px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;text-decoration:underline;">Use of Estimates</span></div><div style="line-height:120%;padding-top:12px;text-align:justify;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes and related disclosures. Although these estimates are based on management’s best knowledge of current events and actions the Company may undertake in the future, actual results ultimately may differ from the estimates.</span></div>
CY2019	us-gaap	Advertising Expense AdvertisingExpense	120300000	USD
CY2018	us-gaap	Advertising Expense AdvertisingExpense	104200000	USD
CY2017	us-gaap	Advertising Expense AdvertisingExpense	123000000.0	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	39600000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	42500000	USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	39900000	USD
CY2019	smg	Product Registration Costs ProductRegistrationCosts	11000000.0	USD
CY2018	smg	Product Registration Costs ProductRegistrationCosts	11400000	USD
CY2017	smg	Product Registration Costs ProductRegistrationCosts	10600000	USD
CY2018	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	0	USD
CY2017	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	900000	USD
CY2019Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	8800000	USD
CY2018Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	8100000	USD
CY2019Q3	us-gaap	Notes Receivable Net NotesReceivableNet	95100000	USD
CY2019Q3	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	105400000	USD
CY2018Q3	us-gaap	Notes Receivable Net NotesReceivableNet	112600000	USD
CY2018Q3	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	128200000	USD
CY2019	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	500000	USD
CY2018	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	300000	USD
CY2017	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	100000	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	22100000	USD
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	9800000	USD
CY2017	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	16100000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	93500000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	81600000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	69800000	USD
CY2019	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	25600000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	166200000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	56300000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	111900000	USD
CY2019Q3	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	13600000	USD
CY2018Q3	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	11200000	USD
CY2019	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	2900000	USD
CY2018	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	3900000	USD
CY2017	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	5100000	USD
CY2019	us-gaap	Number Of Reporting Units NumberOfReportingUnits	7	unit
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1600000	USD
CY2018	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-900000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-800000	USD
CY2019	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	0	USD
CY2018	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	0	USD
CY2017	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	294100000	USD
CY2019	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	-600000	USD
CY2018	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	-1900000	USD
CY2017	us-gaap	Disposal Group Including Discontinued Operation Operating Income Loss DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss	-275900000	USD
CY2019	smg	Restructuring And Other Related Charges Discontinued Operations RestructuringAndOtherRelatedChargesDiscontinuedOperations	-35800000	USD
CY2018	smg	Restructuring And Other Related Charges Discontinued Operations RestructuringAndOtherRelatedChargesDiscontinuedOperations	86800000	USD
CY2017	smg	Restructuring And Other Related Charges Discontinued Operations RestructuringAndOtherRelatedChargesDiscontinuedOperations	15900000	USD
CY2019	smg	Disposal Group Including Discontinued Operation Other Income Expense Net DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpenseNet	0	USD
CY2018	smg	Disposal Group Including Discontinued Operation Other Income Expense Net DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpenseNet	0	USD
CY2017	smg	Disposal Group Including Discontinued Operation Other Income Expense Net DisposalGroupIncludingDiscontinuedOperationOtherIncomeExpenseNet	-1200000	USD
CY2019	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2018	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-700000	USD
CY2017	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	31700000	USD
CY2019	us-gaap	Disposal Group Including Discontinued Operation Interest Expense DisposalGroupIncludingDiscontinuedOperationInterestExpense	0	USD
CY2018	us-gaap	Disposal Group Including Discontinued Operation Interest Expense DisposalGroupIncludingDiscontinuedOperationInterestExpense	0	USD
CY2017	us-gaap	Disposal Group Including Discontinued Operation Interest Expense DisposalGroupIncludingDiscontinuedOperationInterestExpense	400000	USD
CY2019	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	35200000	USD
CY2018	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-89400000	USD
CY2017	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	32400000	USD
CY2019	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	11700000	USD
CY2018	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	-25500000	USD
CY2017	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	11900000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	23500000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-63900000	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	20500000	USD
CY2019	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-38600000	USD
CY2018	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-1600000	USD
CY2017	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-11600000	USD
CY2019	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
CY2018	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-35300000	USD
CY2017	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	148100000	USD
CY2019	smg	Impairment Restructuring And Other Recoveries Charges Continuing Operations ImpairmentRestructuringAndOtherRecoveriesChargesContinuingOperations	13300000	USD
CY2018	smg	Impairment Restructuring And Other Recoveries Charges Continuing Operations ImpairmentRestructuringAndOtherRecoveriesChargesContinuingOperations	152800000	USD
CY2017	smg	Impairment Restructuring And Other Recoveries Charges Continuing Operations ImpairmentRestructuringAndOtherRecoveriesChargesContinuingOperations	4900000	USD
CY2019	smg	Restructuring And Other Related Charges Discontinued Operations RestructuringAndOtherRelatedChargesDiscontinuedOperations	-35800000	USD
CY2018	smg	Restructuring And Other Related Charges Discontinued Operations RestructuringAndOtherRelatedChargesDiscontinuedOperations	86800000	USD
CY2017	smg	Restructuring And Other Related Charges Discontinued Operations RestructuringAndOtherRelatedChargesDiscontinuedOperations	15900000	USD
CY2019	smg	Total Impairment Restructuring And Other Charges TotalImpairmentRestructuringAndOtherCharges	-22500000	USD
CY2018	smg	Total Impairment Restructuring And Other Charges TotalImpairmentRestructuringAndOtherCharges	239600000	USD
CY2017	smg	Total Impairment Restructuring And Other Charges TotalImpairmentRestructuringAndOtherCharges	20800000	USD
CY2018Q3	us-gaap	Restructuring Reserve RestructuringReserve	112200000	USD
CY2017Q3	us-gaap	Restructuring Reserve RestructuringReserve	12100000	USD
CY2016Q3	us-gaap	Restructuring Reserve RestructuringReserve	20800000	USD
CY2019	smg	Restructuring And Other Related Charges Continuing Operations RestructuringAndOtherRelatedChargesContinuingOperations	13400000	USD
CY2018	smg	Restructuring And Other Related Charges Continuing Operations RestructuringAndOtherRelatedChargesContinuingOperations	32700000	USD
CY2017	smg	Restructuring And Other Related Charges Continuing Operations RestructuringAndOtherRelatedChargesContinuingOperations	8300000	USD
CY2019	smg	Restructuring And Other Related Chargesexcluding Recoveries Discontinued Operations RestructuringAndOtherRelatedChargesexcludingRecoveriesDiscontinuedOperations	-22400000	USD
CY2018	smg	Restructuring And Other Related Charges Discontinued Operations RestructuringAndOtherRelatedChargesDiscontinuedOperations	86800000	USD
CY2017	smg	Restructuring And Other Related Charges Discontinued Operations RestructuringAndOtherRelatedChargesDiscontinuedOperations	15900000	USD
CY2019	smg	Payments For Restructuring And Other PaymentsForRestructuringAndOther	91600000	USD
CY2018	smg	Payments For Restructuring And Other PaymentsForRestructuringAndOther	19400000	USD
CY2017	smg	Payments For Restructuring And Other PaymentsForRestructuringAndOther	32900000	USD
CY2019Q3	us-gaap	Restructuring Reserve RestructuringReserve	11600000	USD
CY2018Q3	us-gaap	Restructuring Reserve RestructuringReserve	112200000	USD
CY2017Q3	us-gaap	Restructuring Reserve RestructuringReserve	12100000	USD
CY2019Q3	us-gaap	Restructuring Reserve Noncurrent RestructuringReserveNoncurrent	3100000	USD
CY2017	smg	Restructuring Charges Recoveries RestructuringChargesRecoveries	4400000	USD
CY2017Q3	us-gaap	Goodwill Gross GoodwillGross	443400000	USD
CY2017Q3	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	1800000	USD
CY2017Q3	us-gaap	Goodwill Goodwill	441600000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	198000000.0	USD
CY2018	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-2000000.0	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	94600000	USD
CY2018Q3	us-gaap	Goodwill Gross GoodwillGross	639400000	USD
CY2018Q3	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	96400000	USD
CY2018Q3	us-gaap	Goodwill Goodwill	543000000.0	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1300000	USD
CY2019	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-5600000	USD
CY2019Q3	us-gaap	Goodwill Gross GoodwillGross	635100000	USD
CY2019Q3	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	96400000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	538700000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	383600000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	421700000	USD
CY2019Q3	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	323900000	USD
CY2018Q3	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	435600000	USD
CY2019Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	707500000	USD
CY2018Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	857300000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	33400000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	30000000.0	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	23300000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	30800000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	29000000.0	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	26700000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	24800000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	22000000.0	USD
CY2019Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	344900000	USD
CY2018Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	292100000	USD
CY2019Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	63600000	USD
CY2018Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	60100000	USD
CY2019Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	131800000	USD
CY2018Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	129200000	USD
CY2019Q3	us-gaap	Inventory Net InventoryNet	540300000	USD
CY2018Q3	us-gaap	Inventory Net InventoryNet	481400000	USD
CY2019Q3	smg	Receivables From Sale Of Assets Current ReceivablesFromSaleOfAssetsCurrent	115200000	USD
CY2018Q3	smg	Receivables From Sale Of Assets Current ReceivablesFromSaleOfAssetsCurrent	0	USD
CY2019Q3	us-gaap	Other Assets Current OtherAssetsCurrent	59000000.0	USD
CY2018Q3	us-gaap	Other Assets Current OtherAssetsCurrent	59900000	USD
CY2019Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	174200000	USD
CY2018Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	59900000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1174000000.0	USD
CY2018Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1141300000	USD
CY2019Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	628000000.0	USD
CY2018Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	610500000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	546000000.0	USD
CY2018Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	530800000	USD
CY2019Q3	us-gaap	Notes Receivable Net NotesReceivableNet	95100000	USD
CY2018Q3	us-gaap	Notes Receivable Net NotesReceivableNet	112600000	USD
CY2019Q3	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	50800000	USD
CY2018Q3	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	44000000.0	USD
CY2019Q3	us-gaap	Business Combination Contingent Consideration Asset BusinessCombinationContingentConsiderationAsset	16700000	USD
CY2018Q3	us-gaap	Business Combination Contingent Consideration Asset BusinessCombinationContingentConsiderationAsset	17700000	USD
CY2019Q3	smg	Other Assets Option To Acquire Additional Equity Interests OtherAssetsOptionToAcquireAdditionalEquityInterests	11300000	USD
CY2018Q3	smg	Other Assets Option To Acquire Additional Equity Interests OtherAssetsOptionToAcquireAdditionalEquityInterests	13000000.0	USD
CY2019Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	7700000	USD
CY2018Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	9600000	USD
CY2019Q3	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	13200000	USD
CY2018Q3	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	4700000	USD
CY2019Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	194800000	USD
CY2018Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	201600000	USD
CY2019Q3	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	8500000	USD
CY2018Q3	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	111400000	USD
CY2019Q3	smg	Advertising And Promotional Accruals AdvertisingAndPromotionalAccruals	74000000.0	USD
CY2018Q3	smg	Advertising And Promotional Accruals AdvertisingAndPromotionalAccruals	52500000	USD
CY2019Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	73200000	USD
CY2018Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	39200000	USD
CY2019Q3	smg	Accrued Interest AccruedInterest	16700000	USD
CY2018Q3	smg	Accrued Interest AccruedInterest	16700000	USD
CY2019Q3	us-gaap	Accrued Insurance Current And Noncurrent AccruedInsuranceCurrentAndNoncurrent	11700000	USD
CY2018Q3	us-gaap	Accrued Insurance Current And Noncurrent AccruedInsuranceCurrentAndNoncurrent	12600000	USD
CY2019Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	22400000	USD
CY2018Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	11300000	USD
CY2019Q3	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	71700000	USD
CY2018Q3	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	85900000	USD
CY2019Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	278200000	USD
CY2018Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	329600000	USD
CY2019Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	86900000	USD
CY2018Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	75700000	USD
CY2019Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	36300000	USD
CY2018Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	69600000	USD
CY2019Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	0	USD
CY2018Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	10700000	USD
CY2019Q3	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	38300000	USD
CY2018Q3	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	20500000	USD
CY2019Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	161500000	USD
CY2018Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	176500000	USD
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-8100000	USD
CY2018Q3	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	8300000	USD
CY2017Q3	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	2000000.0	USD
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	68400000	USD
CY2018Q3	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	45600000	USD
CY2017Q3	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	54500000	USD
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-17400000	USD
CY2018Q3	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-8700000	USD
CY2017Q3	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-16700000	USD
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-93900000	USD
CY2018Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-46000000.0	USD
CY2017Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-69200000	USD
CY2018Q3	us-gaap	Due To Affiliate Noncurrent DueToAffiliateNoncurrent	21900000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	18900000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	15300000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	13900000	USD
CY2019Q3	smg	Company Self Insurance Per Occurrence Per Individual CompanySelfInsurancePerOccurrencePerIndividual	700000	USD
CY2019	us-gaap	Other Postretirement Benefit Expense OtherPostretirementBenefitExpense	31400000	USD
CY2018	us-gaap	Other Postretirement Benefit Expense OtherPostretirementBenefitExpense	31200000	USD
CY2017	us-gaap	Other Postretirement Benefit Expense OtherPostretirementBenefitExpense	33400000	USD
CY2019Q3	us-gaap	Defined Benefit Plan Health Care Cost Trend Rate Assumed Next Fiscal Year DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear	0.0625
CY2019Q3	us-gaap	Defined Benefit Plan Ultimate Health Care Cost Trend Rate1 DefinedBenefitPlanUltimateHealthCareCostTrendRate1	0.0475
CY2019Q3	us-gaap	Capital Leases Future Minimum Payments Due CapitalLeasesFutureMinimumPaymentsDue	32600000	USD
CY2019Q3	us-gaap	Long Term Debt LongTermDebt	1633500000	USD
CY2019Q3	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	1666100000	USD
CY2019Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1659300000	USD
CY2018Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2025700000	USD
CY2019Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	128100000	USD
CY2018Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	132600000	USD
CY2019Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1523500000	USD
CY2018Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1883800000	USD
CY2019Q3	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	3000000.0	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	126000000.0	USD
CY2019Q3	us-gaap	Long Term Debt And Capital Lease Obligations Repayments Of Principal In Next Twelve Months LongTermDebtAndCapitalLeaseObligationsRepaymentsOfPrincipalInNextTwelveMonths	129000000.0	USD
CY2019Q3	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	3500000	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	40300000	USD
CY2019Q3	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Two LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearTwo	43800000	USD
CY2019Q3	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	3500000	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	40000000.0	USD
CY2019Q3	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Three LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearThree	43500000	USD
CY2019Q3	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	3600000	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	777200000	USD
CY2019Q3	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Four LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFour	780800000	USD
CY2019Q3	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	3600000	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	400000000.0	USD
CY2019Q3	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal In Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalInYearFive	403600000	USD
CY2019Q3	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	15400000	USD
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	250000000.0	USD
CY2019Q3	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal After Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive	265400000	USD
CY2019Q3	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	6800000	USD
CY2019Q3	us-gaap	Capital Leases Future Minimum Payments Interest Included In Payments CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments	6800000	USD
CY2019Q3	us-gaap	Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments	25800000	USD
CY2019Q3	us-gaap	Long Term Debt LongTermDebt	1633500000	USD
CY2019Q3	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	1659300000	USD
CY2019Q3	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.048
CY2018Q3	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.043
CY2017Q3	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.046
CY2019Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000	shares
CY2018Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000	shares
CY2019Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0.0	shares
CY2018Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0.0	shares
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000.0	shares
CY2018Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000.0	shares
CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	68100000	shares
CY2018Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	68100000	shares
CY2019Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	-2500000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	-11700000	USD
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.53
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.55
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.55
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.58
CY2014Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	500000000.0	USD
CY2016Q3	smg	Additional Shares Authorized For Repurchase Value AdditionalSharesAuthorizedForRepurchaseValue	500000000.0	USD
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	8300000	shares
CY2016Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	1000000000.0	USD
CY2019	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2018	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	3500000	shares
CY2017	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	2700000	shares
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	323100000	USD
CY2017	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	245800000	USD
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	714600000	USD
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	7300000	shares
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	3000000.0	shares
CY2019	smg	Grant Of Share Based Compensation Awards GrantOfShareBasedCompensationAwards	330279	shares
CY2018	smg	Grant Of Share Based Compensation Awards GrantOfShareBasedCompensationAwards	471095	shares
CY2017	smg	Grant Of Share Based Compensation Awards GrantOfShareBasedCompensationAwards	621808	shares
CY2019	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	25500000	USD
CY2018	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	43500000	USD
CY2017	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	57800000	USD
CY2019	smg	Share Based Compensation Expense Including Certain Impairment Restructuring And Other Charges ShareBasedCompensationExpenseIncludingCertainImpairmentRestructuringAndOtherCharges	38400000	USD
CY2018	smg	Share Based Compensation Expense Including Certain Impairment Restructuring And Other Charges ShareBasedCompensationExpenseIncludingCertainImpairmentRestructuringAndOtherCharges	40500000	USD
CY2017	smg	Share Based Compensation Expense Including Certain Impairment Restructuring And Other Charges ShareBasedCompensationExpenseIncludingCertainImpairmentRestructuringAndOtherCharges	25200000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	9500000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	10500000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	9800000	USD
CY2019	smg	Employee Service Share Based Compensation Tax Benefit Realized From Exercise Of Share Based Awards And Vesting Of Restricted Stock EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfShareBasedAwardsAndVestingOfRestrictedStock	2800000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	17500000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	17200000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	14500000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	21400000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	10500000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	11000000.0	USD
CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	436700000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	127600000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	198300000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-500000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	500000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	437200000	USD
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	127600000	USD
CY2017	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	197800000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	23500000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-63900000	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	20500000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	63700000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	218300000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55500000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56200000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59400000	shares
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	7.88
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.27
CY2017	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.33
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.42
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-1.14
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.35
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.30
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.13
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.68
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55500000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56200000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	59400000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	800000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	900000	shares
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	800000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56300000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57100000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	60200000	shares
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	7.77
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.23
CY2017	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.29
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.41
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-1.11
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.34
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.18
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.12
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.63
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	169300000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	47700000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	104500000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	20300000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	10300000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	12400000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	4200000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	200000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	8100000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	193800000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	58200000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	125000000.0	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-40600000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-58400000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-7400000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-5400000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-2000000.0	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-500000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-2900000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-9700000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-500000	USD
CY2019	smg	Provision For Deferred Income Tax Expense Benefit ProvisionForDeferredIncomeTaxExpenseBenefit	-48900000	USD
CY2018	smg	Provision For Deferred Income Tax Expense Benefit ProvisionForDeferredIncomeTaxExpenseBenefit	-70100000	USD
CY2017	smg	Provision For Deferred Income Tax Expense Benefit ProvisionForDeferredIncomeTaxExpenseBenefit	-8400000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	144900000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-11900000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	116600000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	554700000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	159500000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	296000000.0	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	26900000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-43800000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	18900000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	581600000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	115700000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	314900000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.245
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.003
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.074
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.031
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.018
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.065
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.029
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies State And Local EffectiveIncomeTaxRateReconciliationTaxContingenciesStateAndLocal	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies State And Local EffectiveIncomeTaxRateReconciliationTaxContingenciesStateAndLocal	-0.044
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies State And Local EffectiveIncomeTaxRateReconciliationTaxContingenciesStateAndLocal	-0.031
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	-0.002
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	-0.030
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.004
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.003
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.017
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.004
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	0.019
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	0.013
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	0.009
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.387
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.004
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.022
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.018
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.249
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CY2018Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	9300000	USD
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CY2019Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	29500000	USD
CY2018Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	13900000	USD
CY2017Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10200000	USD
CY2019Q3	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	2100000	USD
CY2018Q3	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	1500000	USD
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CY2019Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	400000	USD
CY2018Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	400000	USD
CY2017Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	400000	USD
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CY2018Q3	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	11000000.0	USD
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CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	12600000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	157100000	USD
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CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	62500000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	53600000	USD
CY2019Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On First Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary	228700000	USD
CY2019Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Second Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary	133100000	USD
CY2019Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Third Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary	66900000	USD
CY2019Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fourth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary	16600000	USD
CY2019Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Balance On Fifth Anniversary UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary	10400000	USD
CY2019Q3	us-gaap	Unrecorded Unconditional Purchase Obligation Due After Five Years UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears	2000000.0	USD
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CY2019	us-gaap	Loss Contingency Disclosures LossContingencyDisclosures	CONTINGENCIES<div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Management regularly evaluates the Company’s contingencies, including various lawsuits and claims which arise in the normal course of business, product and general liabilities, workers’ compensation, property losses and other liabilities for which the Company is self-insured or retains a high exposure limit. Self-insurance accruals are established based on actuarial loss estimates for specific individual claims plus actuarially estimated amounts for incurred but not reported claims and adverse development factors applied to existing claims. Legal costs incurred in connection with the resolution of claims, lawsuits and other contingencies generally are expensed as incurred. In the opinion of management, the assessment of contingencies is reasonable and related accruals, in the aggregate, are adequate; however, there can be no assurance that final resolution of these matters will not have a material effect on the Company’s financial condition, results of operations or cash flows.</span></div><div style="line-height:120%;padding-top:18px;text-indent:16px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;text-decoration:underline;">Regulatory Matters</span></div><div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">At </span><span style="font-family:inherit;font-size:10pt;">September 30, 2019</span><span style="font-family:inherit;font-size:10pt;">, </span><span style="font-family:inherit;font-size:10pt;"><span>$3.9 million</span></span><span style="font-family:inherit;font-size:10pt;"> was accrued in the “Other liabilities” line in the Consolidated Balance Sheets for environmental actions, the majority of which are for site remediation. The Company believes that the amounts accrued are adequate to cover such known environmental exposures based on current facts and estimates of likely outcomes. Although it is reasonably possible that the costs to resolve such known environmental exposures will exceed the amounts accrued, any variation from accrued amounts is not expected to be material.</span></div><div style="line-height:120%;padding-top:18px;text-indent:16px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;text-decoration:underline;">Other</span></div><div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The Company has been named as a defendant in a number of cases alleging injuries that the lawsuits claim resulted from exposure to asbestos-containing products, apparently based on the Company’s historic use of vermiculite in certain of its products. In many of these cases, the complaints are not specific about the plaintiffs’ contacts with the Company or its products. The cases vary, but complaints in these cases generally seek unspecified monetary damages (actual, compensatory, consequential and punitive) from multiple defendants. The Company believes that the claims against it are without merit and is vigorously defending against them. No accruals have been recorded in the Company’s consolidated financial statements as the likelihood of a loss is not probable at this time; and the Company does not believe a reasonably possible loss would be material to, nor the ultimate resolution of these cases will have a material adverse effect on, the Company’s financial condition, results of operations or cash flows. There can be no assurance that future developments related to pending claims or claims filed in the future, whether as a result of adverse outcomes or as a result of significant defense costs, will not have a material effect on the Company’s financial condition, results of operations or cash flows.</span></div><div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">In connection with the sale of wild bird food products that were the subject of a voluntary recall in 2008, the Company, along with its Chief Executive Officer, had been named as defendants in four actions filed on and after June 27, 2012, which were consolidated, and, on March 31, 2017, certified as a class action in the United States District Court for the Southern District of </span></div><div style="line-height:120%;padding-top:6px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">California as </span><span style="font-family:inherit;font-size:10pt;font-style:italic;">In re Morning Song Bird Food Litigation</span><span style="font-family:inherit;font-size:10pt;">, Lead Case No. 3:12-cv-01592-JAH-AGS. The plaintiffs alleged various statutory and common law claims associated with the Company’s sale of wild bird food products and a plea agreement entered into in previously pending government proceedings associated with such sales. The plaintiffs alleged, among other things, a class action on behalf of all persons and entities in the United States who purchased certain bird food products. The plaintiffs asserted: (i) hundreds of millions of dollars in monetary damages (actual, compensatory, consequential, and restitution); (ii) punitive and treble damages; (iii) injunctive and declaratory relief; (iv) pre-judgment and post-judgment interest; and (v) costs and attorneys’ fees. The Company and its Chief Executive Officer disputed the plaintiffs’ assertions and have vigorously defended the consolidated action. The parties reached an agreement to settle this matter, which the parties memorialized in a settlement agreement submitted to the Court for approval on December 7, 2018. On January 31, 2019, the Court preliminarily approved the settlement, and on June 11, 2019, the Court granted final approval of the settlement. The settlement became effective on July 12, 2019. During the second quarter of fiscal 2019, the Company paid $</span><span style="font-family:inherit;font-size:10pt;"><span>42.5 million</span></span><span style="font-family:inherit;font-size:10pt;"> to the settlement fund in accordance with the settlement agreement, and the final payment of $</span><span style="font-family:inherit;font-size:10pt;"><span>20.0 million</span></span><span style="font-family:inherit;font-size:10pt;"> was made during the fourth quarter of fiscal 2019. At September 30, 2019 and 2018, </span><span style="font-family:inherit;font-size:10pt;"><span>zero</span></span><span style="font-family:inherit;font-size:10pt;"> and $</span><span style="font-family:inherit;font-size:10pt;"><span>85.0 million</span></span><span style="font-family:inherit;font-size:10pt;">, respectively, was accrued for a probable loss related to this matter in the “Other current liabilities” line in the Consolidated Balance Sheets. During fiscal 2019, the Company recognized a favorable adjustment of $</span><span style="font-family:inherit;font-size:10pt;"><span>22.5 million</span></span><span style="font-family:inherit;font-size:10pt;"> in the “Income (loss) from discontinued operations, net of tax” line in the Consolidated Statements of Operations as a result of the final resolution of the previously disclosed settlement agreement. In addition, during fiscal 2019, the Company recognized insurance recoveries of $</span><span style="font-family:inherit;font-size:10pt;"><span>13.4 million</span></span><span style="font-family:inherit;font-size:10pt;"> related to this matter in the “Income (loss) from discontinued operations, net of tax” line in the Consolidated Statements of Operations.</span></div><div style="line-height:120%;padding-top:6px;text-align:justify;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The Company was named as a defendant in </span><span style="font-family:inherit;font-size:10pt;font-style:italic;">In re Scotts EZ Seed Litigation</span><span style="font-family:inherit;font-size:10pt;">, Case No. 12-cv-4727 (VB), a New York and California class action lawsuit filed August 9, 2012 in the United States District Court for the Southern District of New York that asserted claims under false advertising and other legal theories based on a marketing statement on the Company’s EZ Seed grass seed product from 2009 to 2012. The plaintiffs sought, on behalf of themselves and purported class members, various forms of monetary and non-monetary relief, including statutory damages that they contend could amount to hundreds of millions of dollars. The Company defended the action vigorously, and disputed the plaintiffs’ claims and theories, including the recoverability of statutory damages. In 2017, the Court eliminated certain claims, narrowed the case in certain respects, and permitted the case to continue proceeding as a class action. On August 7, 2017, the Court requested briefs on the Company’s request for interlocutory review of issues relating to the recoverability of statutory damages in a class action by the United States Court of Appeals for the Second Circuit and, on August 31, 2017, approved that request. On January 8, 2018, however, the Second Circuit denied the interlocutory appeal request. The parties engaged in mediation on April 9, 2018 and agreed in principle to a preliminary settlement of the outstanding claims on April 10, 2018. The preliminary settlement required the Company to pay certain attorneys’ and administrative fees and provide certain payments to the class members. The preliminary settlement was approved by the court on December 19, 2018. This case is now settled and the Company made final payment of the claims made by class members during the second quarter of fiscal 2019. At September 30, 2019 and 2018, </span><span style="font-family:inherit;font-size:10pt;"><span>zero</span></span><span style="font-family:inherit;font-size:10pt;"> and $</span><span style="font-family:inherit;font-size:10pt;"><span>11.7 million</span></span><span style="font-family:inherit;font-size:10pt;">, respectively, was accrued for a probable loss related to this matter in the “Other current liabilities” line in the Consolidated Balance Sheets. During fiscal 2019, the Company recognized a favorable adjustment of $</span><span style="font-family:inherit;font-size:10pt;"><span>0.4 million</span></span><span style="font-family:inherit;font-size:10pt;"> related to this matter in the “Impairment, restructuring and other” line in the Consolidated Statements of Operations as a result of the final payment of the claims made by class members.</span></div><div style="line-height:120%;padding-top:12px;text-align:justify;text-indent:32px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The Company is involved in other lawsuits and claims which arise in the normal course of business. These claims individually and in the aggregate are not expected to result in a material effect on the Company’s financial condition, results of operations or cash flows.</span></div>
CY2019Q3	us-gaap	Accrual For Environmental Loss Contingencies Gross AccrualForEnvironmentalLossContingenciesGross	3900000	USD
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3156000000.0	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2663400000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2642100000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	89300000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	83400000	USD
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	73800000	USD
CY2019	smg	Paymentsto Acquire Property Plantand Equipment Excluding Discontinued Operations PaymentstoAcquirePropertyPlantandEquipmentExcludingDiscontinuedOperations	42400000	USD
CY2018	smg	Paymentsto Acquire Property Plantand Equipment Excluding Discontinued Operations PaymentstoAcquirePropertyPlantandEquipmentExcludingDiscontinuedOperations	68200000	USD
CY2017	smg	Paymentsto Acquire Property Plantand Equipment Excluding Discontinued Operations PaymentstoAcquirePropertyPlantandEquipmentExcludingDiscontinuedOperations	65500000	USD
CY2019Q3	us-gaap	Assets Assets	3028700000	USD
CY2018Q3	us-gaap	Assets Assets	3054500000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3156000000.0	USD
CY2018Q4	us-gaap	Gross Profit GrossProfit	34500000	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	472100000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3156000000.0	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2663400000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2642100000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3156000000.0	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2663400000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2642100000	USD
CY2019Q3	us-gaap	Noncurrent Assets NoncurrentAssets	929600000	USD
CY2018Q3	us-gaap	Noncurrent Assets NoncurrentAssets	952500000	USD
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	298100000	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1189900000	USD
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1170300000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	497700000	USD
CY2019Q2	us-gaap	Gross Profit GrossProfit	423400000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	89500000	USD
CY2019	us-gaap	Gross Profit GrossProfit	1019600000	USD
CY2018Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-82600000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	396900000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	178000000.0	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-55500000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	436700000	USD
CY2018Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	2900000	USD
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-500000	USD
CY2019Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	23600000	USD
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-2600000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	23500000	USD
CY2018Q4	us-gaap	Profit Loss ProfitLoss	-79700000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	396400000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	201600000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	-58100000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	460200000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	-79600000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	396500000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	201700000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	-57900000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	460700000	USD
CY2018Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-1.49
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	7.17
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	3.21
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.99
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	7.88
CY2018Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.05
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
CY2019Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.42
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.05
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.42
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.44
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.16
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.63
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.04
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.30
CY2018Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55300000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55400000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55500000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55700000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55500000	shares
CY2018Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-1.49
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	7.10
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	3.15
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.99
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	7.77
CY2018Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.05
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
CY2019Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.41
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.05
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.41
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.44
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.09
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.56
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.04
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.18
CY2018Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55300000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55900000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56600000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55700000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56300000	shares
CY2017Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	221500000	USD
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1013300000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	994600000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	433900000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2663400000	USD
CY2017Q4	us-gaap	Gross Profit GrossProfit	34000000.0	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	409200000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	347600000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	73700000	USD
CY2018	us-gaap	Gross Profit GrossProfit	864600000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-20000000.0	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	152700000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	125500000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-130600000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	127600000	USD
CY2017Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-1200000	USD
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-3700000	USD
CY2018Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-42700000	USD
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-16300000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-63900000	USD
CY2017Q4	us-gaap	Profit Loss ProfitLoss	-21200000	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	149000000.0	USD
CY2018Q2	us-gaap	Profit Loss ProfitLoss	82800000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	-146900000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	63700000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	-21200000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	148900000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.27
CY2017Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.02
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.06
CY2018Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.77
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	82900000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	-147000000.0	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	63700000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.35
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.70
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	2.27
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-2.36
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.29
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-1.14
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.37
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.64
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.50
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.65
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.13
CY2017Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	57600000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56500000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55400000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	55400000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56200000	shares
CY2017Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.35
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.66
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.23
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-2.36
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	2.23
CY2017Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.02
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.07
CY2018Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.76
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.29
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-1.11
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.37
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.59
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.47
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.65
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.12
CY2017Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57600000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57400000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56300000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	55400000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	57100000	shares
CY2019	smg	Percentage Of Annual Net Sales PercentageOfAnnualNetSales	0.75
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3156000000.0	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	2130500000	USD
CY2019	smg	Cost Of Sales Impairment Restructuring And Other Charges CostOfSalesImpairmentRestructuringAndOtherCharges	5900000	USD
CY2019	us-gaap	Gross Profit GrossProfit	1019600000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	270500000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	581600000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	144900000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	436700000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	601300000	USD
CY2019	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	7400000	USD
CY2019	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-1300000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	409600000	USD
CY2019	us-gaap	Income Loss From Subsidiaries Before Tax IncomeLossFromSubsidiariesBeforeTax	0	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3300000	USD
CY2019	us-gaap	Interest Expense InterestExpense	101800000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	23500000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	460200000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-500000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	460700000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	460200000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-8700000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-16400000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	9000000.0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-34100000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	426100000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-500000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	426600000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	226800000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2100000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	42400000	USD
CY2019	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	20800000	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses And Interests In Affiliates ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates	274300000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	6600000	USD
CY2019	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	0	USD
CY2019	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	0	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-7000000.0	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	255200000	USD
CY2019	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	1056200000	USD
CY2019	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	1445500000	USD
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	200000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	124500000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3100000	USD
CY2019	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	800000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	21400000	USD
CY2019	smg	Payments For Proceeds From Intercompany Advances From Financing Activities PaymentsForProceedsFromIntercompanyAdvancesFromFinancingActivities	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-496500000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-600000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-15100000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	33900000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	538700000	USD
CY2019Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	707500000	USD
CY2019Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	194800000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	18800000	USD
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	18800000	USD
CY2019Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	223900000	USD
CY2019Q3	us-gaap	Pledged Assets Separately Reported Finance Receivables Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedFinanceReceivablesPledgedAsCollateralAtFairValue	84500000	USD
CY2019Q3	us-gaap	Inventory Net InventoryNet	540300000	USD
CY2019Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	174200000	USD
CY2019Q3	us-gaap	Assets Current AssetsCurrent	1041700000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	546000000.0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	6200000	USD
CY2019Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	0	USD
CY2019Q3	smg	Intercompany Assets IntercompanyAssets	0	USD
CY2019Q3	us-gaap	Assets Assets	3028700000	USD
CY2019Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	128100000	USD
CY2019Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	214200000	USD
CY2019Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	278200000	USD
CY2019Q3	us-gaap	Liabilities Current LiabilitiesCurrent	620500000	USD
CY2019Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1523500000	USD
CY2019Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	161500000	USD
CY2019Q3	us-gaap	Equity Method Investment Underlying Equity In Net Assets EquityMethodInvestmentUnderlyingEquityInNetAssets	0	USD
CY2019Q3	smg	Intercompany Liabilities IntercompanyLiabilities	0	USD
CY2019Q3	us-gaap	Liabilities Liabilities	2305500000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	718700000	USD
CY2019Q3	us-gaap	Minority Interest MinorityInterest	4500000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	723200000	USD
CY2019Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3028700000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2663400000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1778300000	USD
CY2018	smg	Cost Of Sales Impairment Restructuring And Other Charges CostOfSalesImpairmentRestructuringAndOtherCharges	20500000	USD
CY2018	us-gaap	Gross Profit GrossProfit	864600000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	540100000	USD
CY2018	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	132300000	USD
CY2018	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	6700000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	198900000	USD
CY2018	us-gaap	Income Loss From Subsidiaries Before Tax IncomeLossFromSubsidiariesBeforeTax	0	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	4900000	USD
CY2018	us-gaap	Interest Expense InterestExpense	86400000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1700000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	115700000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-11900000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	127600000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-63900000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	63700000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	63700000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	63700000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	9000000.0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-8000000.0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	23200000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	86900000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	86900000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	342500000	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	5100000	USD
CY2018	smg	Post Closing Working Capital Payment Related To Divestiture PostClosingWorkingCapitalPaymentRelatedToDivestiture	35300000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	68200000	USD
CY2018	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	17100000	USD
CY2018	us-gaap	Proceeds From Collection Of Loans Receivable ProceedsFromCollectionOfLoansReceivable	14300000	USD
CY2018	smg	Payments Of Proceeds From Distributions To Fromaffiliates PaymentsOfProceedsFromDistributionsToFromaffiliates	100000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	492900000	USD
CY2018	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	0	USD
CY2018	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	0	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-13500000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-580700000	USD
CY2018	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	2987000000.0	USD
CY2018	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	2312900000	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	6100000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	120000000.0	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	327700000	USD
CY2018	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	8900000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	10500000	USD
CY2018	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	70700000	USD
CY2018	smg	Payments For Proceeds From Intercompany Advances From Financing Activities PaymentsForProceedsFromIntercompanyAdvancesFromFinancingActivities	0	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	151200000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	400000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-86600000	USD
CY2017Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	120500000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	33900000	USD
CY2018Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	33900000	USD
CY2018Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	226000000.0	USD
CY2018Q3	us-gaap	Pledged Assets Separately Reported Finance Receivables Pledged As Collateral At Fair Value PledgedAssetsSeparatelyReportedFinanceReceivablesPledgedAsCollateralAtFairValue	84500000	USD
CY2018Q3	us-gaap	Inventory Net InventoryNet	481400000	USD
CY2018Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	59900000	USD
CY2018Q3	us-gaap	Assets Current AssetsCurrent	885700000	USD
CY2018Q3	us-gaap	Equity Method Investments EquityMethodInvestments	36100000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	530800000	USD
CY2018Q3	us-gaap	Goodwill Goodwill	543000000.0	USD
CY2018Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	857300000	USD
CY2018Q3	smg	Intercompany Assets IntercompanyAssets	0	USD
CY2018Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	201600000	USD
CY2018Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	0	USD
CY2018Q3	us-gaap	Assets Assets	3054500000	USD
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CY2018Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	150500000	USD
CY2018Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	329600000	USD
CY2018Q3	us-gaap	Liabilities Current LiabilitiesCurrent	612700000	USD
CY2018Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1883800000	USD
CY2018Q3	us-gaap	Due To Affiliate Noncurrent DueToAffiliateNoncurrent	21900000	USD
CY2018Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	176500000	USD
CY2018Q3	us-gaap	Equity Method Investment Underlying Equity In Net Assets EquityMethodInvestmentUnderlyingEquityInNetAssets	0	USD
CY2018Q3	us-gaap	Liabilities Liabilities	2694900000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	354600000	USD
CY2018Q3	us-gaap	Minority Interest MinorityInterest	5000000.0	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	359600000	USD
CY2018Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3054500000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2642100000	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1669500000	USD
CY2017	us-gaap	Gross Profit GrossProfit	972600000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	550900000	USD
CY2017	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	4900000	USD
CY2017	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	16600000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	433400000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-29000000.0	USD
CY2017	us-gaap	Interest Expense InterestExpense	76100000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-13400000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	314900000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	116600000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	198300000	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	20500000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	218800000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	500000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	218300000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	218800000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	28200000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	6700000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-13200000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	48100000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	266900000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	900000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	266000000.0	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	363200000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	5700000	USD
CY2017	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	180300000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	69600000	USD
CY2017	us-gaap	Payments To Acquire Loans Receivable PaymentsToAcquireLoansReceivable	29700000	USD
CY2017	smg	Payments Of Proceeds From Distributions To Fromaffiliates PaymentsOfProceedsFromDistributionsToFromaffiliates	-57400000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	121700000	USD
CY2017	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	0	USD
CY2017	us-gaap	Payments For Proceeds From Businesses And Interest In Affiliates PaymentsForProceedsFromBusinessesAndInterestInAffiliates	0	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	22400000	USD
CY2017	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	1449300000	USD
CY2017	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	1618300000	USD
CY2017	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	250000000.0	USD
CY2017	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	4400000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	120300000	USD
CY2017	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	8100000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	255200000	USD
CY2017	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	28700000	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	7900000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	11000000.0	USD
CY2017	smg	Payments For Proceeds From Intercompany Advances From Financing Activities PaymentsForProceedsFromIntercompanyAdvancesFromFinancingActivities	0	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-316800000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1600000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	70400000	USD
CY2016Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	28600000	USD
CY2016Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Disposal Group Including Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations	21500000	USD
CY2016Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	50100000	USD
CY2017Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	120500000	USD

Files In Submission

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$SMG
SCOTTS MIRACLE-GRO CO Stock $smg

2019 Q3 Form 10-K Financial Statement

#000154638019000034 Filed on November 27, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SMG SCOTTS MIRACLE-GRO CO Stock $smg

2019 Q3 Form 10-K Financial Statement

#000154638019000034 Filed on November 27, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SMG
SCOTTS MIRACLE-GRO CO Stock $smg