$GFF
GRIFFON CORP Stock $gff

$gff Overview Financials Valuation SEC Filings Company Website

2019 Q1 Form 10-Q Financial Statement

#000005072519000037 Filed on May 02, 2019

Income Statement

Concept	2019 Q1	2018 Q1
Revenue	$549.6M	$478.6M
YoY Change	14.85%	24.69%
Cost Of Revenue	$412.1M	$357.2M
YoY Change	15.38%	25.35%
Gross Profit	$133.5M	$121.4M
YoY Change	10.02%	22.77%
Gross Profit Margin	24.3%	25.36%
Selling, General & Admin	$111.8M	$104.5M
YoY Change	6.98%	27.53%
% of Gross Profit	83.71%	86.09%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$15.49M	$13.31M
YoY Change	16.37%	9.6%
% of Gross Profit	11.6%	10.97%
Operating Expenses	$111.8M	$104.5M
YoY Change	6.98%	27.53%
Operating Profit	$25.72M	$16.89M
YoY Change	52.32%	-0.3%
Interest Expense	$17.52M	$16.81M
YoY Change	4.23%	32.12%
% of Operating Profit	68.1%	99.53%
Other Income/Expense, Net	-$16.04M	-$13.70M
YoY Change	17.08%	7.29%
Pretax Income	$9.684M	$3.188M
YoY Change	203.76%	-23.53%
Income Tax	$3.194M	$1.237M
% Of Pretax Income	32.98%	38.8%
Net Earnings	-$1.156M	$90.28M
YoY Change	-101.28%	1689.49%
Net Earnings / Revenue	-0.21%	18.86%
Basic Earnings Per Share	-$0.03	$2.18
Diluted Earnings Per Share	-$0.03	$2.11
COMMON SHARES
Basic Shares Outstanding	40.95M shares	41.48M shares
Diluted Shares Outstanding	42.83M shares	42.77M shares

Balance Sheet

Concept	2019 Q1	2018 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$58.00M	$236.5M
YoY Change	-75.48%	398.95%
Cash & Equivalents	$57.98M	$236.5M
Short-Term Investments
Other Short-Term Assets	$46.10M	$47.50M
YoY Change	-2.95%	19.05%
Inventory	$457.1M	$384.5M
Prepaid Expenses
Receivables	$344.0M	$272.0M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$989.1M	$1.063B
YoY Change	-6.91%	36.96%
LONG-TERM ASSETS
Property, Plant & Equipment	$332.9M	$291.5M
YoY Change	14.18%	-28.6%
Goodwill	$439.1M	$422.5M
YoY Change	3.94%	17.33%
Intangibles	$586.1M	$440.3M
YoY Change	33.12%	46.86%
Long-Term Investments	$0.00	$0.00
YoY Change
Other Assets	$15.19M	$15.67M
YoY Change	-3.05%	-13.57%
Total Long-Term Assets	$1.155B	$1.019B
YoY Change	13.35%	1.97%
TOTAL ASSETS
Total Short-Term Assets	$989.1M	$1.063B
Total Long-Term Assets	$1.155B	$1.019B
Total Assets	$2.144B	$2.081B
YoY Change	3.01%	17.26%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$223.2M	$256.0M
YoY Change	-12.82%	50.36%
Accrued Expenses	$120.5M	$113.5M
YoY Change	6.22%	30.59%
Deferred Revenue	$28.23M
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$10.81M	$12.92M
YoY Change	-16.34%	-22.92%
Total Short-Term Liabilities	$366.2M	$433.3M
YoY Change	-15.5%	57.44%
LONG-TERM LIABILITIES
Long-Term Debt	$1.206B	$1.078B
YoY Change	11.84%	8.54%
Other Long-Term Liabilities	$94.94M	$90.46M
YoY Change	4.95%	-28.32%
Total Long-Term Liabilities	$1.301B	$1.169B
YoY Change	11.31%	4.39%
TOTAL LIABILITIES
Total Short-Term Liabilities	$366.2M	$433.3M
Total Long-Term Liabilities	$1.301B	$1.169B
Total Liabilities	$1.670B	$1.607B
YoY Change	3.88%	15.06%
SHAREHOLDERS EQUITY
Retained Earnings	$545.6M
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$474.3M	$474.0M
YoY Change
Total Liabilities & Shareholders Equity	$2.144B	$2.081B
YoY Change	3.01%	17.26%

Cashflow Statement

Concept	2019 Q1	2018 Q1
OPERATING ACTIVITIES
Net Income	-$1.156M	$90.28M
YoY Change	-101.28%	1689.49%
Depreciation, Depletion And Amortization	$15.49M	$13.31M
YoY Change	16.37%	9.6%
Cash From Operating Activities	-$59.00M	-$57.80M
YoY Change	2.08%	-6522.22%
INVESTING ACTIVITIES
Capital Expenditures	$9.021M	$10.84M
YoY Change	-16.8%	38.16%
Acquisitions
YoY Change
Other Investing Activities	-$10.70M	$432.0M
YoY Change	-102.48%	-3640.98%
Cash From Investing Activities	-$19.70M	$421.2M
YoY Change	-104.68%	-2206.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	55.50M	-209.5M
YoY Change	-126.49%	-1585.82%
NET CHANGE
Cash From Operating Activities	-59.00M	-57.80M
Cash From Investing Activities	-19.70M	421.2M
Cash From Financing Activities	55.50M	-209.5M
Net Change In Cash	-23.20M	153.9M
YoY Change	-115.07%	-3178.0%
FREE CASH FLOW
Cash From Operating Activities	-$59.00M	-$57.80M
Capital Expenditures	$9.021M	$10.84M
Free Cash Flow	-$68.02M	-$68.64M
YoY Change	-0.91%	887.95%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2019Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	10025000	USD
CY2017Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.07
	gff	Maximum Percentage Of Exercise Price At Grand Date Fair Value MaximumPercentageOfExercisePriceAtGrandDateFairValue	1.00
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0000050725
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
CY2018Q3	gff	Contract With Customer Asset Accumulated Progress Payments Current ContractWithCustomerAssetAccumulatedProgressPaymentsCurrent	3172000	USD
CY2019Q1	gff	Contract With Customer Asset Accumulated Progress Payments Current ContractWithCustomerAssetAccumulatedProgressPaymentsCurrent	5300000	USD
CY2018Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.07
CY2018Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.07
CY2018Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.0725
CY2019Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2019Q1	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P10Y
	dei	Document Type DocumentType	10-Q
	dei	Document Period End Date DocumentPeriodEndDate	2019-03-31
	dei	Entity Registrant Name EntityRegistrantName	GRIFFON CORPORATION
CY2019Q1	us-gaap	Goodwill Goodwill	439118000	USD
CY2018Q3	us-gaap	Goodwill Goodwill	439395000	USD
CY2019Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	364740000	USD
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CY2019Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	344049000	USD
CY2018Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	280509000	USD
CY2019Q1	gff	Contract With Customer Asset And Capitalized Contract Cost Net Current ContractWithCustomerAssetAndCapitalizedContractCostNetCurrent	83904000	USD
CY2018Q3	gff	Contract With Customer Asset And Capitalized Contract Cost Net Current ContractWithCustomerAssetAndCapitalizedContractCostNetCurrent	121803000	USD
CY2019Q1	us-gaap	Inventory Net InventoryNet	457071000	USD
CY2018Q3	us-gaap	Inventory Net InventoryNet	398359000	USD
CY2019Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	45778000	USD
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CY2019Q1	us-gaap	Disposal Group Including Discontinued Operation Other Current Assets DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets	324000	USD
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CY2018Q3	us-gaap	Assets Assets	2084890000	USD
CY2019Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	10807000	USD
CY2018Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	13011000	USD
CY2019Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	223188000	USD
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CY2019Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1206195000	USD
CY2018Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1108071000	USD
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CY2018Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	106710000	USD
CY2019Q1	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	2307000	USD
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	us-gaap	Gross Profit GrossProfit	280550000	USD
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	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-29926000	USD
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CY2019Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-11000000	USD
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	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	-3354000	USD
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CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	-1156000	USD
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	us-gaap	Net Income Loss NetIncomeLoss	7597000	USD
	us-gaap	Net Income Loss NetIncomeLoss	121269000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.16
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.05
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.37
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.59
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.19
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	2.13
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.19
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	2.31
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.03
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.18
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.91
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40949000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41477000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40849000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41700000	shares
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.15
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.05
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.36
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.58
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.18
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	2.07
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.18
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	2.24
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.03
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.11
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.18
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.82
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42832000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42765000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42376000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43062000	shares
CY2019Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.0725
CY2018Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.0700
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.1450
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.1400
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	-1156000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	90280000	USD
	us-gaap	Net Income Loss NetIncomeLoss	7597000	USD
	us-gaap	Net Income Loss NetIncomeLoss	121269000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2885000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	19714000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2851000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	18425000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-184000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-247000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-368000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-9806000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-189000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	440000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-87000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	528000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2880000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	20401000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2570000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	28759000	USD
CY2019Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1724000	USD
CY2018Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	110681000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	5027000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	150028000	USD
	us-gaap	Net Income Loss NetIncomeLoss	7597000	USD
	us-gaap	Net Income Loss NetIncomeLoss	121269000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-7646000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	96487000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	30577000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	26271000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	6355000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4920000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	316000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-201000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2841000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2754000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-865000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-23136000	USD
	gff	Increase Decrease In Receivables And Contract Assets IncreaseDecreaseInReceivablesAndContractAssets	47669000	USD
	gff	Increase Decrease In Receivables And Contract Assets IncreaseDecreaseInReceivablesAndContractAssets	16631000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2323000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	37852000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	48295000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2613000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-28945000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-21021000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-2670000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-844000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	-55006000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	-47100000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	17418000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	21628000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	9219000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	246230000	USD
	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	473977000	USD
	gff	Proceeds From Payments For Insurance Settlement Investing Activities ProceedsFromPaymentsForInsuranceSettlementInvestingActivities	-10604000	USD
	gff	Proceeds From Payments For Insurance Settlement Investing Activities ProceedsFromPaymentsForInsuranceSettlementInvestingActivities	8254000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	62000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	454000	USD
	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	149000	USD
	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-37328000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	214827000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	6847000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	5872000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1478000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	32861000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	143101000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	347898000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	48169000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	229941000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	945000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	7451000	USD
	gff	Payments To Acquire Employee Stock Ownership Plan Shares PaymentsToAcquireEmployeeStockOwnershipPlanShares	1686000	USD
	gff	Payments To Acquire Employee Stock Ownership Plan Shares PaymentsToAcquireEmployeeStockOwnershipPlanShares	0	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	83000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	126000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	84059000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	71899000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-3438000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-15080000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-10762000	USD
	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	-22541000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	1617215000	USD
	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	-3438000	USD
	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	-48383000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-66000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-2468000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-11779000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	188775000	USD
CY2018Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	69758000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	47681000	USD
CY2019Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	57979000	USD
CY2018Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	236456000	USD
CY2018Q4	gff	Contract With Customer Asset And Capitalized Contract Cost Net Current ContractWithCustomerAssetAndCapitalizedContractCostNetCurrent	100821000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	420384000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	913917000	USD
CY2018Q4	us-gaap	Assets Assets	2085933000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	241940000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	25841000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	401353000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	105144000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	544850000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	468718000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2085933000	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	549633000	USD
CY2019Q1	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	412129000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9684000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3194000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	6490000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1060155000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	779605000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	23649000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8406000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	15243000	USD
CY2019Q1	gff	Contract With Customer Asset And Capitalized Contract Cost Net Current ContractWithCustomerAssetAndCapitalizedContractCostNetCurrent	83904000	USD
CY2019Q1	us-gaap	Inventory Net InventoryNet	457071000	USD
CY2019Q1	us-gaap	Assets Current AssetsCurrent	989105000	USD
CY2019Q1	us-gaap	Assets Assets	2143908000	USD
CY2019Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	223188000	USD
CY2019Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	28227000	USD
CY2019Q1	us-gaap	Liabilities Current LiabilitiesCurrent	366184000	USD
CY2019Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	94938000	USD
CY2019Q1	us-gaap	Liabilities Liabilities	1669624000	USD
CY2019Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	545600000	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	474284000	USD
CY2019Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2143908000	USD
	gff	Revenue Performance Obligation Satisfied At A Point In Time Percentage RevenuePerformanceObligationSatisfiedAtAPointInTimePercentage	0.80
	gff	Revenue Performance Obligation Satisfied Over In Time Percentage RevenuePerformanceObligationSatisfiedOverInTimePercentage	0.20
CY2019Q1	gff	Contractwith Customer Asset Cumulative Catchup Adjustmentto Revenue ContractwithCustomerAssetCumulativeCatchupAdjustmenttoRevenue	-2800000	USD
	gff	Contractwith Customer Asset Cumulative Catchup Adjustmentto Revenue ContractwithCustomerAssetCumulativeCatchupAdjustmenttoRevenue	-5300000	USD
CY2018Q1	gff	Contractwith Customer Asset Cumulative Catchup Adjustmentto Revenue ContractwithCustomerAssetCumulativeCatchupAdjustmenttoRevenue	-1800000	USD
	gff	Contractwith Customer Asset Cumulative Catchup Adjustmentto Revenue ContractwithCustomerAssetCumulativeCatchupAdjustmenttoRevenue	-1300000	USD
CY2019Q1	us-gaap	Capitalized Contract Cost Accumulated Impairment CapitalizedContractCostAccumulatedImpairment	7400000	USD
CY2018Q3	us-gaap	Capitalized Contract Cost Accumulated Impairment CapitalizedContractCostAccumulatedImpairment	12200000	USD
CY2019Q1	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	378300000	USD
CY2019Q1	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.73
CY2019Q1	gff	Contract With Customer Asset And Capitalized Contract Cost Net Current ContractWithCustomerAssetAndCapitalizedContractCostNetCurrent	83904000	USD
	gff	Increase Decrease Contract With Customer Asset And Capitalized Contract Cost Net Current IncreaseDecreaseContractWithCustomerAssetAndCapitalizedContractCostNetCurrent	-37899000	USD
CY2019Q1	gff	Contract With Customer Asset And Capitalized Contract Cost Net Noncurrent ContractWithCustomerAssetAndCapitalizedContractCostNetNoncurrent	21700000	USD
CY2018Q3	gff	Contract With Customer Asset And Capitalized Contract Cost Net Noncurrent ContractWithCustomerAssetAndCapitalizedContractCostNetNoncurrent	29500000	USD
CY2019Q1	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	700000	USD
CY2018Q3	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	400000	USD
CY2019Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	28227000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	10668000	USD
CY2019Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	USD
CY2019Q1	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	104767000	USD
CY2018Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	97645000	USD
CY2019Q1	us-gaap	Inventory Work In Process InventoryWorkInProcess	112264000	USD
CY2018Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	83578000	USD
CY2019Q1	us-gaap	Inventory Finished Goods InventoryFinishedGoods	240040000	USD
CY2018Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	217136000	USD
CY2019Q1	us-gaap	Inventory Net InventoryNet	457071000	USD
CY2018Q3	us-gaap	Inventory Net InventoryNet	398359000	USD
CY2019Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	739668000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	725282000	USD
CY2019Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	406816000	USD
CY2018Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	382790000	USD
CY2019Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	332852000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	342492000	USD
CY2019Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	12980000	USD
CY2018Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	11530000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	25647000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	22232000	USD
CY2018Q3	us-gaap	Goodwill Goodwill	439395000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	300000	USD
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-577000	USD
CY2019Q1	us-gaap	Goodwill Goodwill	439118000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	203903000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	60560000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	205035000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	56060000	USD
CY2019Q1	us-gaap	Indefinite Lived Trademarks IndefiniteLivedTrademarks	221397000	USD
CY2018Q3	us-gaap	Indefinite Lived Trademarks IndefiniteLivedTrademarks	221883000	USD
CY2019Q1	gff	Finite Lived And Infinite Lived Intangible Asset Gross FiniteLivedAndInfiniteLivedIntangibleAssetGross	425300000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	60560000	USD
CY2018Q3	gff	Finite Lived And Infinite Lived Intangible Asset Gross FiniteLivedAndInfiniteLivedIntangibleAssetGross	426918000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	56060000	USD
CY2019Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2512000	USD
CY2018Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1783000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4930000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4039000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	4400000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	8825000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	8825000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	8825000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	8746000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	8700000	USD
CY2019Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	95022000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3194000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9684000	USD
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1237000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3188000	USD
CY2019Q1	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-97000	USD
CY2018Q1	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Acquisitionrelated Costs Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionrelatedCostsAmount	814000	USD
CY2018Q1	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Acquisitionrelated Costs Amount Net Of Tax EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionrelatedCostsAmountNetOfTax	378000	USD
CY2018Q1	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	368000	USD
CY2019Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.340
CY2018Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.326
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8406000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	23649000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-23667000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1115000	USD
	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	370000	USD
	gff	Effective Income Tax Rate Reconciliation Reconciling Items Expense Benefit EffectiveIncomeTaxRateReconciliationReconcilingItemsExpenseBenefit	-22650000	USD
	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Acquisitionrelated Costs Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionrelatedCostsAmount	3999000	USD
	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Acquisitionrelated Costs Amount Net Of Tax EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionrelatedCostsAmountNetOfTax	2726000	USD
	us-gaap	Income Tax Reconciliation Nondeductible Expense Life Insurance IncomeTaxReconciliationNondeductibleExpenseLifeInsurance	2614000	USD
	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Life Insurance Amount Net Of Tax EffectiveIncomeTaxRateReconciliationNondeductibleExpenseLifeInsuranceAmountNetOfTax	248000	USD
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.340
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.339
CY2019Q1	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1228984000	USD
CY2019Q1	us-gaap	Debt Instrument Unamortized Premium DebtInstrumentUnamortizedPremium	1043000	USD
CY2019Q1	gff	Long Term Debt Capitalized Fees And Expenses LongTermDebtCapitalizedFeesAndExpenses	13025000	USD
CY2019Q1	us-gaap	Long Term Debt LongTermDebt	1217002000	USD
CY2018Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1134692000	USD
CY2018Q3	us-gaap	Debt Instrument Unamortized Premium DebtInstrumentUnamortizedPremium	1220000	USD
CY2018Q3	gff	Long Term Debt Capitalized Fees And Expenses LongTermDebtCapitalizedFeesAndExpenses	14830000	USD
CY2018Q3	us-gaap	Long Term Debt LongTermDebt	1121082000	USD
CY2019Q1	gff	Long Term Debt Gross Current LongTermDebtGrossCurrent	10807000	USD
CY2019Q1	us-gaap	Debt Instrument Unamortized Premium Current DebtInstrumentUnamortizedPremiumCurrent	0	USD
CY2019Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	10807000	USD
CY2018Q3	gff	Long Term Debt Gross Current LongTermDebtGrossCurrent	13011000	USD
CY2018Q3	us-gaap	Debt Instrument Unamortized Premium Current DebtInstrumentUnamortizedPremiumCurrent	0	USD
CY2018Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	13011000	USD
CY2019Q1	gff	Long Term Debt Gross Noncurrent LongTermDebtGrossNoncurrent	1218177000	USD
CY2019Q1	us-gaap	Debt Instrument Unamortized Premium Noncurrent DebtInstrumentUnamortizedPremiumNoncurrent	1043000	USD
CY2019Q1	gff	Long Term Debt Capitalized Fees And Expenses LongTermDebtCapitalizedFeesAndExpenses	13025000	USD
CY2019Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1206195000	USD
CY2018Q3	gff	Long Term Debt Gross Noncurrent LongTermDebtGrossNoncurrent	1121681000	USD
CY2018Q3	us-gaap	Debt Instrument Unamortized Premium Noncurrent DebtInstrumentUnamortizedPremiumNoncurrent	1220000	USD
CY2018Q3	gff	Long Term Debt Capitalized Fees And Expenses LongTermDebtCapitalizedFeesAndExpenses	14830000	USD
CY2018Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1108071000	USD
CY2019Q1	us-gaap	Interest Paid Net InterestPaidNet	15906000	USD
CY2019Q1	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	66000	USD
CY2019Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1545000	USD
CY2019Q1	us-gaap	Interest Expense Debt InterestExpenseDebt	17517000	USD
CY2018Q1	us-gaap	Interest Paid Net InterestPaidNet	15295000	USD
CY2018Q1	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	68000	USD
CY2018Q1	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1443000	USD
CY2018Q1	us-gaap	Interest Expense Debt InterestExpenseDebt	16806000	USD
	us-gaap	Interest Paid Net InterestPaidNet	31204000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	134000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2708000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	34046000	USD
	us-gaap	Interest Paid Net InterestPaidNet	30891000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	135000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2619000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	33645000	USD
	gff	Maximum Percentage Of Equity Interest Of Subsidiaries Borrowings Guaranteed MaximumPercentageOfEquityInterestOfSubsidiariesBorrowingsGuaranteed	0.65
CY2019Q1	us-gaap	Line Of Credit LineOfCredit	16081000	USD
CY2015Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	32280000	USD
CY2016Q1	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	8000000	USD
CY2016Q1	gff	Number Of Properties Refinanced NumberOfPropertiesRefinanced	4	property
CY2017	us-gaap	Stock Issued During Period Shares Employee Stock Ownership Plan StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan	621875	shares
CY2017	gff	Share Based Compensation Arrangement By Share Based Payment Award Shares Purchased For Award Value ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesPurchasedForAwardValue	10908000	USD
CY2017	us-gaap	Employee Stock Ownership Plan Esop Weighted Average Purchase Price Of Shares Purchased EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased	17.54
CY2012Q4	us-gaap	Debt Instrument Basis Spread On Variable Rate1 DebtInstrumentBasisSpreadOnVariableRate1	0.013
CY2019Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.0725
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.145
CY2018Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.07
CY2018	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.28
CY2018Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.00
CY2018Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	38073000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Description ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription	Options granted under the Incentive Plan may be either “incentive stock options” or nonqualified stock options, generally expire ten years after the date of grant and are granted at an exercise price of not less than 100% of the fair market value at the date of grant.
CY2019Q1	us-gaap	Share Based Compensation ShareBasedCompensation	3422000	USD
CY2018Q1	us-gaap	Share Based Compensation ShareBasedCompensation	2365000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	6355000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4920000	USD
CY2016Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	50000000	USD
CY2019Q1	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	8200	shares
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	37500	shares
CY2019Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	82000	USD
CY2019Q1	gff	Stock Repurchased During Period Per Share StockRepurchasedDuringPeriodPerShare	9.95
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	372000	USD
	gff	Stock Repurchased During Period Per Share StockRepurchasedDuringPeriodPerShare	9.92
CY2019Q1	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	57955000	USD
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40949000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41477000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40849000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41700000	shares
CY2019Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1883000	shares
CY2018Q1	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1288000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1527000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1362000	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42832000	shares
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42765000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42376000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43062000	shares
CY2019Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	549633000	USD
CY2018Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	478560000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1060155000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	915863000	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	549633000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1060155000	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	549633000	USD
	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	1060155000	USD
CY2019Q1	gff	Segment Profit Before Depreciation Amortization Restructuring Fair Value Writeup Of Acquired Inventory Sold And Acquisition Costs SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts	53689000	USD
CY2018Q1	gff	Segment Profit Before Depreciation Amortization Restructuring Fair Value Writeup Of Acquired Inventory Sold And Acquisition Costs SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts	43786000	USD
	gff	Segment Profit Before Depreciation Amortization Restructuring Fair Value Writeup Of Acquired Inventory Sold And Acquisition Costs SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts	110334000	USD
	gff	Segment Profit Before Depreciation Amortization Restructuring Fair Value Writeup Of Acquired Inventory Sold And Acquisition Costs SegmentProfitBeforeDepreciationAmortizationRestructuringFairValueWriteupOfAcquiredInventorySoldAndAcquisitionCosts	87442000	USD
CY2019Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-17305000	USD
CY2018Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-16044000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-33636000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-32686000	USD
CY2019Q1	gff	Segment Reporting Information Unallocated Expense SegmentReportingInformationUnallocatedExpense	11347000	USD
CY2018Q1	gff	Segment Reporting Information Unallocated Expense SegmentReportingInformationUnallocatedExpense	10541000	USD
	gff	Segment Reporting Information Unallocated Expense SegmentReportingInformationUnallocatedExpense	22745000	USD
	gff	Segment Reporting Information Unallocated Expense SegmentReportingInformationUnallocatedExpense	20977000	USD
CY2019Q1	us-gaap	Acquisition Costs AcquisitionCosts	0	USD
CY2018Q1	us-gaap	Acquisition Costs AcquisitionCosts	814000	USD
	us-gaap	Acquisition Costs AcquisitionCosts	0	USD
	us-gaap	Acquisition Costs AcquisitionCosts	3999000	USD
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	9684000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	3188000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	23649000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1115000	USD
CY2019Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15492000	USD
CY2018Q1	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	13313000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	30577000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	26271000	USD
CY2019Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9021000	USD
CY2018Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10843000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	17418000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	21628000	USD
CY2019Q1	gff	Assets Of Continuing Operations AssetsOfContinuingOperations	2140683000	USD
CY2018Q3	gff	Assets Of Continuing Operations AssetsOfContinuingOperations	2081650000	USD
CY2019Q1	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	3225000	USD
CY2018Q3	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	3240000	USD
CY2019Q1	us-gaap	Assets Assets	2143908000	USD
CY2018Q3	us-gaap	Assets Assets	2084890000	USD
CY2019Q1	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-787000	USD
CY2018Q1	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-882000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-1574000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-1764000	USD
CY2018Q1	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-882000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-1764000	USD
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	5166000	USD
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-11000000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-7646000	USD
CY2019Q1	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1571000	USD
CY2018Q1	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1407000	USD
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	3141000	USD
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	2814000	USD
CY2019Q1	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	2583000	USD
CY2018Q1	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	2639000	USD
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	5278000	USD
CY2019Q1	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	3000	USD
CY2018Q1	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	4000	USD
	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	7000	USD
	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	8000	USD
CY2019Q1	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-222000	USD
CY2018Q1	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-346000	USD
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-444000	USD
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-692000	USD
CY2019Q1	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-787000	USD
CY2018Q1	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-882000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-1574000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-1764000	USD
CY2017Q4	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	13715000	USD
CY2019Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-118000	USD
CY2018Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	217000	USD
CY2019Q1	us-gaap	Investment Income Net InvestmentIncomeNet	108000	USD
CY2018Q1	us-gaap	Investment Income Net InvestmentIncomeNet	1266000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	384000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-219000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	31000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	1261000	USD
CY2019Q1	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-787000	USD
CY2018Q1	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-882000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-1574000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-1764000	USD
CY2018Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	9041000	USD
CY2017Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	6055000	USD
CY2018Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	8174000	USD
CY2017Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	6236000	USD
CY2019Q1	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	4700000	USD
CY2018Q1	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	1637000	USD
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	8761000	USD
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	3112000	USD
CY2019Q1	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	5730000	USD
CY2018Q1	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	1434000	USD
	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	8924000	USD
	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	3926000	USD
CY2019Q1	us-gaap	Standard Product Warranty Accrual Additions From Business Acquisition StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition	0	USD
CY2018Q1	us-gaap	Standard Product Warranty Accrual Additions From Business Acquisition StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition	0	USD
	us-gaap	Standard Product Warranty Accrual Additions From Business Acquisition StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition	0	USD
	us-gaap	Standard Product Warranty Accrual Additions From Business Acquisition StandardProductWarrantyAccrualAdditionsFromBusinessAcquisition	836000	USD
CY2019Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	8011000	USD
CY2018Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	6258000	USD
CY2019Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	8011000	USD
CY2018Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	6258000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	2885000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2885000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	19714000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	19714000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-201000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-17000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-184000	USD
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CY2018Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-129000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-247000	USD
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CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-75000	USD
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CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	616000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	176000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	440000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	2822000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-58000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2880000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	20706000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	305000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	20401000	USD
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CY2019Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-36682000	USD
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CY2019Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	-310000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax	34000	USD
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CY2019Q1	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	-85000	USD
CY2018Q1	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Before Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax	-14482000	USD
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CY2018Q1	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-11125000	USD
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CY2019Q1	us-gaap	Assets Assets	2143908000	USD
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CY2018Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	478560000	USD
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CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	16886000	USD
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CY2018Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	1951000	USD
CY2018Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	113376000	USD
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CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	88329000	USD
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CY2018Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	69758000	USD
CY2019Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	57979000	USD
	us-gaap	Net Income Loss NetIncomeLoss	121269000	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	96487000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	-47100000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	21628000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	246230000	USD
	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	473977000	USD
	gff	Proceeds From Payments For Insurance Settlement Investing Activities ProceedsFromPaymentsForInsuranceSettlementInvestingActivities	8254000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	454000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	214827000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	32861000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	347898000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	229941000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	7451000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	5872000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	126000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	71899000	USD
	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	-48383000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-2468000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	188775000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	47681000	USD
CY2018Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	236456000	USD

Files In Submission

Name	View Source	Status
0000050725-19-000037-index-headers.html	Edgar Link	pending
0000050725-19-000037-index.html	Edgar Link	pending
0000050725-19-000037.txt	Edgar Link	pending
0000050725-19-000037-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
gff-20190331.xsd	Edgar Link	pending
gff-20190331_cal.xml	Edgar Link	unprocessable
gff-20190331_def.xml	Edgar Link	unprocessable
gff-20190331_lab.xml	Edgar Link	unprocessable
gff-20190331_pre.xml	Edgar Link	unprocessable
gff3-31x201910q.htm	Edgar Link	pending
gff3-31x201910q1311.htm	Edgar Link	pending
gff3-31x201910q1312.htm	Edgar Link	pending
gff3-31x201910q132.htm	Edgar Link	pending
gff3-31x201910q_htm.xml	Edgar Link	completed
griffon-fifthamendment.htm	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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R83.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$GFF
GRIFFON CORP Stock $gff

2019 Q1 Form 10-Q Financial Statement

#000005072519000037 Filed on May 02, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GFF GRIFFON CORP Stock $gff

2019 Q1 Form 10-Q Financial Statement

#000005072519000037 Filed on May 02, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GFF
GRIFFON CORP Stock $gff