$GFF
GRIFFON CORP Stock $gff

$gff Overview Financials Valuation SEC Filings Company Website

2021 Q2 Form 10-Q Financial Statement

#000005072521000056 Filed on July 30, 2021

Income Statement

Concept	2021 Q2	2020 Q3	2020 Q2
Revenue	$584.2M	$660.7M	$632.1M
YoY Change	-7.57%	15.07%	9.93%
Cost Of Revenue	$424.3M	$486.2M	$467.1M
YoY Change	-9.15%	14.21%	11.08%
Gross Profit	$159.9M	$174.5M	$165.0M
YoY Change	-3.09%	10.1%	8.77%
Gross Profit Margin	27.37%	26.41%	26.11%
Selling, General & Admin	$117.8M	$123.7M	$113.5M
YoY Change	3.78%	25.08%	-3.8%
% of Gross Profit	73.67%	70.9%	68.79%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$13.31M	$15.30M	$15.52M
YoY Change	-14.28%	-1.92%	-0.46%
% of Gross Profit	8.32%	8.77%	9.41%
Operating Expenses	$117.8M	$128.6M	$113.5M
YoY Change	3.78%	24.01%	-3.8%
Operating Profit	$42.11M	$45.87M	$51.49M
YoY Change	-18.23%	-16.23%	41.1%
Interest Expense	$15.85M	-$16.70M	$16.73M
YoY Change	-5.24%	1.21%	-3.26%
% of Operating Profit	37.64%	-36.41%	32.48%
Other Income/Expense, Net	-$15.21M	-$800.0K	-$17.01M
YoY Change	-10.59%	700.0%	5.62%
Pretax Income	$26.89M	$28.40M	$34.48M
YoY Change	-22.0%	1.07%	69.14%
Income Tax	$12.08M	$8.300M	$12.65M
% Of Pretax Income	44.91%	29.23%	36.69%
Net Earnings	$16.71M	$20.10M	$21.83M
YoY Change	-23.47%	24.84%	60.58%
Net Earnings / Revenue	2.86%	3.04%	3.45%
Basic Earnings Per Share	$0.33		$0.52
Diluted Earnings Per Share	$0.31	$413.6K	$0.50
COMMON SHARES
Basic Shares Outstanding	50.90M shares		41.71M shares
Diluted Shares Outstanding	53.50M shares		43.77M shares

Balance Sheet

Concept	2021 Q2	2020 Q3	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$220.7M	$218.1M	$72.00M
YoY Change	206.52%	201.24%	23.92%
Cash & Equivalents	$220.7M	$218.1M	$72.00M
Short-Term Investments
Other Short-Term Assets	$58.47M	$49.00M	$53.40M
YoY Change	9.49%	19.22%	0.38%
Inventory	$510.3M	$320.2M	$411.0M
Prepaid Expenses
Receivables	$363.0M	$278.4M	$359.5M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.227B	$1.106B	$988.0M
YoY Change	24.18%	19.55%	2.77%
LONG-TERM ASSETS
Property, Plant & Equipment	$489.7M	$505.6M	$490.3M
YoY Change	-0.13%	49.88%	47.97%
Goodwill	$445.7M	$424.1M	$439.7M
YoY Change	1.38%	1.33%	0.29%
Intangibles	$584.4M	$578.3M	$577.1M
YoY Change	1.26%	0.44%	-0.8%
Long-Term Investments		$0.00	$0.00
YoY Change
Other Assets	$27.28M	$26.47M	$31.86M
YoY Change	-14.39%	67.13%	96.67%
Total Long-Term Assets	$1.322B	$1.343B	$1.322B
YoY Change	-0.04%	16.77%	14.97%
TOTAL ASSETS
Total Short-Term Assets	$1.227B	$1.106B	$988.0M
Total Long-Term Assets	$1.322B	$1.343B	$1.322B
Total Assets	$2.549B	$2.449B	$2.310B
YoY Change	10.32%	18.01%	9.41%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$258.9M	$172.5M	$218.0M
YoY Change	18.75%	-31.14%	6.06%
Accrued Expenses	$160.0M	$144.0M	$176.2M
YoY Change	-9.17%	15.49%	18.93%
Deferred Revenue	$23.76M	$24.39M	$20.72M
YoY Change	14.66%	-7.13%	-15.33%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$13.02M	$9.922M	$9.235M
YoY Change	41.03%	-5.73%	-15.15%
Total Short-Term Liabilities	$466.5M	$441.8M	$436.2M
YoY Change	6.95%	13.26%	18.77%
LONG-TERM LIABILITIES
Long-Term Debt	$1.043B	$1.037B	$1.123B
YoY Change	-7.19%	-5.18%	-3.13%
Other Long-Term Liabilities	$124.9M	$121.5M	$104.3M
YoY Change	19.78%	10.49%	10.78%
Total Long-Term Liabilities	$1.168B	$1.159B	$1.228B
YoY Change	-4.9%	-3.75%	-2.08%
TOTAL LIABILITIES
Total Short-Term Liabilities	$466.5M	$441.8M	$436.2M
Total Long-Term Liabilities	$1.168B	$1.159B	$1.228B
Total Liabilities	$1.763B	$1.748B	$1.802B
YoY Change	-2.13%	9.47%	10.99%
SHAREHOLDERS EQUITY
Retained Earnings		$607.5M
YoY Change		6.86%
Common Stock		$603.9M
YoY Change		11.9%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$413.5M
YoY Change		-22.9%
Treasury Stock Shares		27.61M shares
Shareholders Equity	$785.3M	$700.2M	$508.5M
YoY Change
Total Liabilities & Shareholders Equity	$2.549B	$2.449B	$2.310B
YoY Change	10.32%	18.01%	9.41%

Cashflow Statement

Concept	2021 Q2	2020 Q3	2020 Q2
OPERATING ACTIVITIES
Net Income	$16.71M	$20.10M	$21.83M
YoY Change	-23.47%	24.84%	60.58%
Depreciation, Depletion And Amortization	$13.31M	$15.30M	$15.52M
YoY Change	-14.28%	-1.92%	-0.46%
Cash From Operating Activities	$67.75M	$81.00M	$115.8M
YoY Change	-41.49%	-19.56%	66.62%
INVESTING ACTIVITIES
Capital Expenditures	$7.114M	-$14.20M	$12.23M
YoY Change	-41.84%	-19.32%	17.89%
Acquisitions
YoY Change
Other Investing Activities	-$11.80M	$0.00	$300.0K
YoY Change	-4033.67%	-100.0%	-103.16%
Cash From Investing Activities	-$12.75M	-$14.20M	-$11.90M
YoY Change	7.14%	-18.39%	-40.2%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-8.427M	77.50M	-103.7M
YoY Change	-91.87%	-212.48%	106.57%
NET CHANGE
Cash From Operating Activities	67.75M	81.00M	115.8M
Cash From Investing Activities	-12.75M	-14.20M	-11.90M
Cash From Financing Activities	-8.427M	77.50M	-103.7M
Net Change In Cash	46.57M	144.3M	200.0K
YoY Change	23186.0%	902.08%	-133.33%
FREE CASH FLOW
Cash From Operating Activities	$67.75M	$81.00M	$115.8M
Capital Expenditures	$7.114M	-$14.20M	$12.23M
Free Cash Flow	$60.64M	$95.20M	$103.6M
YoY Change	-41.45%	-19.53%	75.17%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
	dei	Amendment Flag AmendmentFlag	false
	dei	Entity Central Index Key EntityCentralIndexKey	0000050725
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
CY2021Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
CY2020Q3	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtCurrent
CY2021Q2	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtCurrent
CY2021Q2	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtNoncurrent
CY2020Q3	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtNoncurrent
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	11-1893410
	dei	Entity Address Address Line1 EntityAddressAddressLine1	712 Fifth Ave, 18th Floor
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Entity Address City Or Town EntityAddressCityOrTown	New York
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
	dei	Document Period End Date DocumentPeriodEndDate	2021-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	1-06620
	dei	Entity Registrant Name EntityRegistrantName	GRIFFON CORPORATION
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10019
	dei	City Area Code CityAreaCode	212
	dei	Local Phone Number LocalPhoneNumber	957-5000
	dei	Security12b Title Security12bTitle	Common Stock, $0.25 par value
	dei	Trading Symbol TradingSymbol	GFF
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	56676975	shares
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	220697000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	218089000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	9542000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	8505000	USD
CY2021Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	363046000	USD
CY2020Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	340546000	USD
CY2021Q2	gff	Contract With Customer Asset Accumulated Progress Payments Current ContractWithCustomerAssetAccumulatedProgressPaymentsCurrent	20821000	USD
CY2020Q3	gff	Contract With Customer Asset Accumulated Progress Payments Current ContractWithCustomerAssetAccumulatedProgressPaymentsCurrent	24175000	USD
CY2021Q2	gff	Contract With Customer Asset And Capitalized Contract Cost Net Current ContractWithCustomerAssetAndCapitalizedContractCostNetCurrent	74341000	USD
CY2020Q3	gff	Contract With Customer Asset And Capitalized Contract Cost Net Current ContractWithCustomerAssetAndCapitalizedContractCostNetCurrent	84426000	USD
CY2020Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	46897000	USD
CY2021Q2	us-gaap	Inventory Net InventoryNet	510309000	USD
CY2020Q3	us-gaap	Inventory Net InventoryNet	413825000	USD
CY2021Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	57770000	USD
CY2021Q2	us-gaap	Disposal Group Including Discontinued Operation Other Current Assets DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets	695000	USD
CY2020Q3	us-gaap	Disposal Group Including Discontinued Operation Other Current Assets DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets	2091000	USD
CY2021Q2	us-gaap	Assets Current AssetsCurrent	1226858000	USD
CY2020Q3	us-gaap	Assets Current AssetsCurrent	1105874000	USD
CY2021Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	338762000	USD
CY2020Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	343964000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	150924000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	161627000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	445749000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	442643000	USD
CY2021Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	355488000	USD
CY2020Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	355028000	USD
CY2021Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	27275000	USD
CY2020Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	32897000	USD
CY2021Q2	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	3607000	USD
CY2020Q3	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	6406000	USD
CY2021Q2	us-gaap	Assets Assets	2548663000	USD
CY2020Q3	us-gaap	Assets Assets	2448439000	USD
CY2021Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	13024000	USD
CY2020Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	9922000	USD
CY2021Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	258914000	USD
CY2020Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	232107000	USD
CY2021Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	160002000	USD
CY2020Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	163994000	USD
CY2021Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	30896000	USD
CY2020Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	31848000	USD
CY2021Q2	us-gaap	Disposal Group Including Discontinued Operation Accrued Liabilities DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities	3641000	USD
CY2020Q3	us-gaap	Disposal Group Including Discontinued Operation Accrued Liabilities DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities	3797000	USD
CY2021Q2	us-gaap	Liabilities Current LiabilitiesCurrent	466477000	USD
CY2020Q3	us-gaap	Liabilities Current LiabilitiesCurrent	441668000	USD
CY2021Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1042612000	USD
CY2020Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1037042000	USD
CY2021Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	124588000	USD
CY2020Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	136054000	USD
CY2021Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	124933000	USD
CY2020Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	126510000	USD
CY2021Q2	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	4712000	USD
CY2020Q3	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	7014000	USD
CY2021Q2	us-gaap	Liabilities Liabilities	1763322000	USD
CY2020Q3	us-gaap	Liabilities Liabilities	1748288000	USD
CY2021Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	785341000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	700151000	USD
CY2021Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2548663000	USD
CY2020Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2448439000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	700151000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	29500000	USD
CY2020Q4	us-gaap	Dividends Common Stock DividendsCommonStock	4469000	USD
CY2020Q4	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2909000	USD
CY2020Q4	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	609000	USD
CY2020Q4	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2020Q4	us-gaap	Employee Stock Ownership Plan Esop Gain Loss On Transactions In Deferred Shares EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares	596000	USD
CY2020Q4	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3428000	USD
CY2020Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	13141000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	740047000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	17112000	USD
CY2021Q1	us-gaap	Dividends Common Stock DividendsCommonStock	3217000	USD
CY2021Q1	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	609000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2021Q1	us-gaap	Employee Stock Ownership Plan Esop Gain Loss On Transactions In Deferred Shares EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares	756000	USD
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4349000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4775000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	764431000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	16707000	USD
CY2021Q2	us-gaap	Dividends Common Stock DividendsCommonStock	4546000	USD
CY2021Q2	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	610000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2021Q2	us-gaap	Employee Stock Ownership Plan Esop Gain Loss On Transactions In Deferred Shares EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares	856000	USD
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4544000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2739000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	785341000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	477763000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	10612000	USD
CY2019Q4	us-gaap	Dividends Common Stock DividendsCommonStock	3392000	USD
CY2019Q4	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1758000	USD
CY2019Q4	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	629000	USD
CY2019Q4	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2019Q4	us-gaap	Employee Stock Ownership Plan Esop Gain Loss On Transactions In Deferred Shares EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares	609000	USD
CY2019Q4	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3150000	USD
CY2019Q4	gff	Apic Share Based Payment Arrangement Acquisitions Increase For Cost Recognition APICShareBasedPaymentArrangementAcquisitionsIncreaseForCostRecognition	239000	USD
CY2019Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	6841000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	494693000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	895000	USD
CY2020Q1	us-gaap	Dividends Common Stock DividendsCommonStock	3422000	USD
CY2020Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	5721000	USD
CY2020Q1	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	629000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2020Q1	us-gaap	Employee Stock Ownership Plan Esop Gain Loss On Transactions In Deferred Shares EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares	435000	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3662000	USD
CY2020Q1	gff	Apic Share Based Payment Arrangement Acquisitions Increase For Cost Recognition APICShareBasedPaymentArrangementAcquisitionsIncreaseForCostRecognition	117000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-14834000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	476454000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	21831000	USD
CY2020Q2	us-gaap	Dividends Common Stock DividendsCommonStock	3558000	USD
CY2020Q2	us-gaap	Amortization Of Esop Award AmortizationOfESOPAward	628000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2020Q2	us-gaap	Employee Stock Ownership Plan Esop Gain Loss On Transactions In Deferred Shares EmployeeStockOwnershipPlanESOPGainLossOnTransactionsInDeferredShares	352000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3930000	USD
CY2020Q2	gff	Apic Share Based Payment Arrangement Acquisitions Increase For Cost Recognition APICShareBasedPaymentArrangementAcquisitionsIncreaseForCostRecognition	116000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	8702000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	508455000	USD
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	646792000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	632061000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1890915000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1746849000	USD
CY2021Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	476727000	USD
CY2020Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	467058000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1380362000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1279893000	USD
CY2021Q2	us-gaap	Gross Profit GrossProfit	170065000	USD
CY2020Q2	us-gaap	Gross Profit GrossProfit	165003000	USD
	us-gaap	Gross Profit GrossProfit	510553000	USD
	us-gaap	Gross Profit GrossProfit	466956000	USD
CY2021Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	125579000	USD
CY2020Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	113509000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	373963000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	357774000	USD
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	44486000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	51494000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	136590000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	109182000	USD
CY2021Q2	us-gaap	Interest Expense InterestExpense	15849000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	16725000	USD
	us-gaap	Interest Expense InterestExpense	47370000	USD
	us-gaap	Interest Expense InterestExpense	49807000	USD
CY2021Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	50000	USD
CY2020Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	140000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	399000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	711000	USD
CY2021Q2	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2020Q2	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	5291000	USD
	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2021Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2020Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-1235000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-7925000	USD
CY2021Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	386000	USD
CY2020Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	806000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1192000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2199000	USD
CY2021Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-15413000	USD
CY2020Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-17014000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-40488000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-54822000	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	29073000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	34480000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	96102000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	54360000	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12366000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12649000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32783000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21022000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	16707000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	21831000	USD
	us-gaap	Net Income Loss NetIncomeLoss	63319000	USD
	us-gaap	Net Income Loss NetIncomeLoss	33338000	USD
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.33
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.25
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.80
CY2020Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50903000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41712000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50779000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41483000	shares
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.50
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.19
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53504000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43774000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53306000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43818000	shares
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.08
CY2020Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.075
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.24
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.225
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	16707000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-493000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-1245000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-1139000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-4196000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	21831000	USD
	us-gaap	Net Income Loss NetIncomeLoss	63319000	USD
	us-gaap	Net Income Loss NetIncomeLoss	33338000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	1160000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	9508000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	15022000	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-2480000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	351000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-1945000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	1454000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-1278000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-17000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	4692000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	173000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-17000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2739000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	8702000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	20655000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	709000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	19446000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	30533000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	83974000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	34047000	USD
	us-gaap	Net Income Loss NetIncomeLoss	63319000	USD
	us-gaap	Net Income Loss NetIncomeLoss	33338000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	46955000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	47067000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	15092000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	12809000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	9483000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	512000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2019000	USD
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2871000	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-7925000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7351000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	448000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-155000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	261000	USD
	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	5291000	USD
	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
	gff	Increase Decrease In Receivables And Contract Assets IncreaseDecreaseInReceivablesAndContractAssets	9684000	USD
	gff	Increase Decrease In Receivables And Contract Assets IncreaseDecreaseInReceivablesAndContractAssets	81718000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	100536000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-34518000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2449000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	17393000	USD
	gff	Increase Decrease In Accounts Payable Accrued Liabilities Income Taxes Payable And Net Change To Leases IncreaseDecreaseInAccountsPayableAccruedLiabilitiesIncomeTaxesPayableAndNetChangeToLeases	13821000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-600000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	42019000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	55944000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	33889000	USD
	gff	Increase Decrease In Accounts Payable Accrued Liabilities Income Taxes Payable And Net Change To Leases IncreaseDecreaseInAccountsPayableAccruedLiabilitiesIncomeTaxesPayableAndNetChangeToLeases	10536000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-1611000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	34751000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	2242000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	10531000	USD
	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	14345000	USD
	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	4658000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	0	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	116000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	339000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-28000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	130000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-26300000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-45073000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	12907000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	10639000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2909000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	7479000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	20587000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1230618000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	18255000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1205231000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	571000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	16543000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-272000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-31000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-14327000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	2749000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-9305000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-1669000	USD
	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-2899000	USD
	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	418000	USD
	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	1080000	USD
	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	-2481000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	136000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	537000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2608000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-378000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	218089000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	72377000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	220697000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	71999000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2021Q2	gff	Contractwith Customer Asset Cumulative Catchup Adjustmentto Revenue ContractwithCustomerAssetCumulativeCatchupAdjustmenttoRevenue	1131000	USD
	gff	Contractwith Customer Asset Cumulative Catchup Adjustmentto Revenue ContractwithCustomerAssetCumulativeCatchupAdjustmenttoRevenue	4351000	USD
CY2020Q2	gff	Contractwith Customer Asset Cumulative Catchup Adjustmentto Revenue ContractwithCustomerAssetCumulativeCatchupAdjustmenttoRevenue	2805000	USD
	gff	Contractwith Customer Asset Cumulative Catchup Adjustmentto Revenue ContractwithCustomerAssetCumulativeCatchupAdjustmenttoRevenue	3228000	USD
CY2021Q2	us-gaap	Capitalized Contract Cost Accumulated Impairment CapitalizedContractCostAccumulatedImpairment	12500000	USD
CY2020Q3	us-gaap	Capitalized Contract Cost Accumulated Impairment CapitalizedContractCostAccumulatedImpairment	10800000	USD
CY2021Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	375039000	USD
CY2021Q2	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.66
CY2021Q2	gff	Contract With Customer Asset And Capitalized Contract Cost Net Current ContractWithCustomerAssetAndCapitalizedContractCostNetCurrent	74341000	USD
CY2020Q3	gff	Contract With Customer Asset And Capitalized Contract Cost Net Current ContractWithCustomerAssetAndCapitalizedContractCostNetCurrent	84426000	USD
	gff	Increase Decrease Contract With Customer Asset And Capitalized Contract Cost Net Current IncreaseDecreaseContractWithCustomerAssetAndCapitalizedContractCostNetCurrent	-10085000	USD
CY2021Q2	gff	Contract With Customer Asset And Capitalized Contract Cost Net Noncurrent ContractWithCustomerAssetAndCapitalizedContractCostNetNoncurrent	9600000	USD
CY2020Q3	gff	Contract With Customer Asset And Capitalized Contract Cost Net Noncurrent ContractWithCustomerAssetAndCapitalizedContractCostNetNoncurrent	7500000	USD
CY2021Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	23757000	USD
CY2020Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	24386000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-629000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	2960000	USD
CY2020Q2	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	USD
CY2021Q2	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	163639000	USD
CY2020Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	146351000	USD
CY2021Q2	us-gaap	Inventory Work In Process InventoryWorkInProcess	87109000	USD
CY2020Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	83697000	USD
CY2021Q2	us-gaap	Inventory Finished Goods InventoryFinishedGoods	259561000	USD
CY2020Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	183777000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	39709000	USD
CY2021Q2	us-gaap	Inventory Net InventoryNet	510309000	USD
CY2020Q3	us-gaap	Inventory Net InventoryNet	413825000	USD
CY2021Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	840875000	USD
CY2020Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	815517000	USD
CY2021Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	502113000	USD
CY2020Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	471553000	USD
CY2021Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	338762000	USD
CY2020Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	343964000	USD
CY2021Q2	us-gaap	Depreciation And Amortization DepreciationAndAmortization	13371000	USD
CY2020Q2	us-gaap	Depreciation And Amortization DepreciationAndAmortization	13142000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	39890000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	8505000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	1254000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	237000	USD
	gff	Accounts Receivable Allowance For Credit Loss Other Deduction AccountsReceivableAllowanceForCreditLossOtherDeduction	20000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	9542000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	442643000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	784000	USD
	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	811000	USD
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	3133000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	445749000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	209079000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	82470000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	205404000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	75016000	USD
CY2021Q2	us-gaap	Indefinite Lived Trademarks IndefiniteLivedTrademarks	228879000	USD
CY2020Q3	us-gaap	Indefinite Lived Trademarks IndefiniteLivedTrademarks	224640000	USD
CY2021Q2	gff	Finite Lived And Infinite Lived Intangible Asset Gross FiniteLivedAndInfiniteLivedIntangibleAssetGross	437958000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	82470000	USD
CY2020Q3	gff	Finite Lived And Infinite Lived Intangible Asset Gross FiniteLivedAndInfiniteLivedIntangibleAssetGross	430044000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	75016000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Foreign Currency Translation Gain Loss FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss	5832000	USD
CY2021Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2435000	USD
CY2020Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2381000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7246000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7177000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	2139000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	9376000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	9224000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	9198000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	9198000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	9198000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	78276000	USD
	us-gaap	Number Of Reporting Units NumberOfReportingUnits	3	unit
	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	USD
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12366000	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	29073000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12649000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	34480000	USD
CY2021Q2	us-gaap	Income Tax Reconciliation Nondeductible Expense Restructuring Charges IncomeTaxReconciliationNondeductibleExpenseRestructuringCharges	4082000	USD
CY2021Q2	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Restructuring Charges Amount Net Of Tax EffectiveIncomeTaxRateReconciliationNondeductibleExpenseRestructuringChargesAmountNetOfTax	3129000	USD
CY2021Q2	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2979000	USD
CY2020Q2	us-gaap	Income Tax Reconciliation Nondeductible Expense Restructuring Charges IncomeTaxReconciliationNondeductibleExpenseRestructuringCharges	1633000	USD
CY2020Q2	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Restructuring Charges Amount Net Of Tax EffectiveIncomeTaxRateReconciliationNondeductibleExpenseRestructuringChargesAmountNetOfTax	1224000	USD
CY2020Q2	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Debt Extinguishment Loss EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDebtExtinguishmentLoss	1235000	USD
CY2020Q2	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Debt Extinguishment Loss Net Of Tax EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDebtExtinguishmentLossNetOfTax	969000	USD
CY2020Q2	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1828000	USD
CY2021Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.312
CY2020Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.308
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	32783000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	96102000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21022000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	54360000	USD
	us-gaap	Income Tax Reconciliation Nondeductible Expense Restructuring Charges IncomeTaxReconciliationNondeductibleExpenseRestructuringCharges	22444000	USD
	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Restructuring Charges Amount Net Of Tax EffectiveIncomeTaxRateReconciliationNondeductibleExpenseRestructuringChargesAmountNetOfTax	17080000	USD
	us-gaap	Income Tax Reconciliation Disposition Of Business IncomeTaxReconciliationDispositionOfBusiness	-5291000	USD
	gff	Effective Income Tax Rate Reconciliation Disposition Of Business Net Of Tax EffectiveIncomeTaxRateReconciliationDispositionOfBusinessNetOfTax	-5251000	USD
	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2864000	USD
	us-gaap	Income Tax Reconciliation Nondeductible Expense Restructuring Charges IncomeTaxReconciliationNondeductibleExpenseRestructuringCharges	11171000	USD
	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Restructuring Charges Amount Net Of Tax EffectiveIncomeTaxRateReconciliationNondeductibleExpenseRestructuringChargesAmountNetOfTax	8377000	USD
	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Acquisition Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionCost	2960000	USD
	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Acquisition Cost Net Of Tax EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAcquisitionCostNetOfTax	2321000	USD
	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Debt Extinguishment Loss EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDebtExtinguishmentLoss	7925000	USD
	gff	Effective Income Tax Rate Reconciliation Nondeductible Expense Debt Extinguishment Loss Net Of Tax EffectiveIncomeTaxRateReconciliationNondeductibleExpenseDebtExtinguishmentLossNetOfTax	6214000	USD
	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1248000	USD
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.311
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.326
CY2021Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1071121000	USD
CY2021Q2	us-gaap	Debt Instrument Unamortized Premium DebtInstrumentUnamortizedPremium	327000	USD
CY2021Q2	gff	Long Term Debt Capitalized Fees And Expenses LongTermDebtCapitalizedFeesAndExpenses	15812000	USD
CY2021Q2	us-gaap	Long Term Debt LongTermDebt	1055636000	USD
CY2020Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	1064422000	USD
CY2020Q3	us-gaap	Debt Instrument Unamortized Premium DebtInstrumentUnamortizedPremium	363000	USD
CY2020Q3	gff	Long Term Debt Capitalized Fees And Expenses LongTermDebtCapitalizedFeesAndExpenses	17821000	USD
CY2020Q3	us-gaap	Long Term Debt LongTermDebt	1046964000	USD
CY2021Q2	gff	Long Term Debt Gross Current LongTermDebtGrossCurrent	13024000	USD
CY2021Q2	us-gaap	Debt Instrument Unamortized Premium Current DebtInstrumentUnamortizedPremiumCurrent	0	USD
CY2021Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	13024000	USD
CY2020Q3	gff	Long Term Debt Gross Current LongTermDebtGrossCurrent	9922000	USD
CY2020Q3	us-gaap	Debt Instrument Unamortized Premium Current DebtInstrumentUnamortizedPremiumCurrent	0	USD
CY2020Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	9922000	USD
CY2021Q2	gff	Long Term Debt Gross Noncurrent LongTermDebtGrossNoncurrent	1058097000	USD
CY2021Q2	us-gaap	Debt Instrument Unamortized Premium Noncurrent DebtInstrumentUnamortizedPremiumNoncurrent	327000	USD
CY2021Q2	gff	Long Term Debt Capitalized Fees And Expenses LongTermDebtCapitalizedFeesAndExpenses	15812000	USD
CY2021Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1042612000	USD
CY2020Q3	gff	Long Term Debt Gross Noncurrent LongTermDebtGrossNoncurrent	1054500000	USD
CY2020Q3	us-gaap	Debt Instrument Unamortized Premium Noncurrent DebtInstrumentUnamortizedPremiumNoncurrent	363000	USD
CY2020Q3	gff	Long Term Debt Capitalized Fees And Expenses LongTermDebtCapitalizedFeesAndExpenses	17821000	USD
CY2020Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1037042000	USD
CY2021Q2	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	0	USD
CY2021Q2	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	0	USD
CY2020Q2	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	16000	USD
CY2020Q2	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	16000	USD
CY2021Q2	us-gaap	Interest Paid Net InterestPaidNet	15214000	USD
CY2021Q2	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	12000	USD
CY2021Q2	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	647000	USD
CY2021Q2	us-gaap	Interest Expense Debt InterestExpenseDebt	15849000	USD
CY2020Q2	us-gaap	Interest Paid Net InterestPaidNet	16121000	USD
CY2020Q2	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-11000	USD
CY2020Q2	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	593000	USD
CY2020Q2	us-gaap	Interest Expense Debt InterestExpenseDebt	16725000	USD
	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	13000	USD
	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	13000	USD
	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	109000	USD
	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	109000	USD
	us-gaap	Interest Paid Net InterestPaidNet	45386000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	35000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2019000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-123000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	47370000	USD
	us-gaap	Interest Paid Net InterestPaidNet	46936000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2748000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	49807000	USD
CY2012Q4	us-gaap	Debt Instrument Basis Spread On Variable Rate1 DebtInstrumentBasisSpreadOnVariableRate1	0.013
CY2021Q2	gff	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsGrantsInPeriod	0	shares
CY2021Q2	us-gaap	Restricted Stock Expense RestrictedStockExpense	4544000	USD
CY2020Q2	us-gaap	Restricted Stock Expense RestrictedStockExpense	3930000	USD
	us-gaap	Restricted Stock Expense RestrictedStockExpense	12321000	USD
	us-gaap	Restricted Stock Expense RestrictedStockExpense	10742000	USD
CY2021Q2	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	1047000	USD
CY2020Q2	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	577000	USD
	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	2771000	USD
	us-gaap	Employee Stock Ownership Plan Esop Compensation Expense EmployeeStockOwnershipPlanESOPCompensationExpense	2067000	USD
CY2021Q2	us-gaap	Share Based Compensation ShareBasedCompensation	5591000	USD
CY2020Q2	us-gaap	Share Based Compensation ShareBasedCompensation	4507000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	15092000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	12809000	USD
CY2018Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	50000000	USD
CY2016Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	50000000	USD
CY2021Q2	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	57955000	USD
CY2021Q2	gff	Shares Paid For Tax Withholding For Share Based Compensation Value SharesPaidForTaxWithholdingForShareBasedCompensationValue	0	USD
CY2021Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	56677000	shares
CY2020Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	47425000	shares
CY2021Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	56677000	shares
CY2020Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	47425000	shares
CY2021Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	1912000	shares
CY2020Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	2108000	shares
CY2021Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	1912000	shares
CY2020Q2	us-gaap	Employee Stock Ownership Plan Esop Number Of Committed To Be Released Shares EmployeeStockOwnershipPlanESOPNumberOfCommittedToBeReleasedShares	2108000	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3814000	shares
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3555000	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3814000	shares
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3555000	shares
CY2021Q2	gff	Weighted Average Number Basic Shares Outstanding Adjustment WeightedAverageNumberBasicSharesOutstandingAdjustment	48000	shares
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	646792000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	632061000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1890915000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1746849000	USD
CY2020Q2	gff	Weighted Average Number Basic Shares Outstanding Adjustment WeightedAverageNumberBasicSharesOutstandingAdjustment	50000	shares
	gff	Weighted Average Number Basic Shares Outstanding Adjustment WeightedAverageNumberBasicSharesOutstandingAdjustment	172000	shares
	gff	Weighted Average Number Basic Shares Outstanding Adjustment WeightedAverageNumberBasicSharesOutstandingAdjustment	279000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50903000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41712000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50779000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41483000	shares
CY2021Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2601000	shares
CY2020Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2062000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2527000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2335000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53504000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43774000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	53306000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43818000	shares
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	646792000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	632061000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1890915000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1746849000	USD
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	646792000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	632061000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1890915000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1746849000	USD
CY2021Q2	gff	Earnings Before Income Tax Depreciation And Amortization EarningsBeforeIncomeTaxDepreciationAndAmortization	64760000	USD
CY2020Q2	gff	Earnings Before Income Tax Depreciation And Amortization EarningsBeforeIncomeTaxDepreciationAndAmortization	69456000	USD
	gff	Earnings Before Income Tax Depreciation And Amortization EarningsBeforeIncomeTaxDepreciationAndAmortization	207181000	USD
	gff	Earnings Before Income Tax Depreciation And Amortization EarningsBeforeIncomeTaxDepreciationAndAmortization	172579000	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	29073000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	34480000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	96102000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	54360000	USD
CY2021Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15806000	USD
CY2020Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15523000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	46955000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	47067000	USD
CY2021Q2	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9903000	USD
CY2020Q2	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12232000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	33889000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	34751000	USD
CY2021Q2	gff	Assets Of Continuing Operations AssetsOfContinuingOperations	2544361000	USD
CY2020Q3	gff	Assets Of Continuing Operations AssetsOfContinuingOperations	2439942000	USD
CY2021Q2	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	4302000	USD
CY2020Q3	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	8497000	USD
CY2021Q2	us-gaap	Assets Assets	2548663000	USD
CY2020Q3	us-gaap	Assets Assets	2448439000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	745000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	1148000	USD
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	2234000	USD
	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	3450000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	2544000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	2585000	USD
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	7633000	USD
	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	7757000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	0	USD
CY2020Q2	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	3000	USD
	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	0	USD
	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	11000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-1573000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-1042000	USD
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-4719000	USD
	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-3126000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-226000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-392000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-680000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-1170000	USD
CY2021Q2	us-gaap	Disposal Group Including Discontinued Operation Prepaid And Other Assets Current DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent	695000	USD
CY2020Q3	us-gaap	Disposal Group Including Discontinued Operation Prepaid And Other Assets Current DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent	2091000	USD
CY2021Q2	us-gaap	Disposal Group Including Discontinued Operation Other Noncurrent Assets DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets	3607000	USD
CY2020Q3	us-gaap	Disposal Group Including Discontinued Operation Other Noncurrent Assets DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets	6406000	USD
CY2021Q2	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	4302000	USD
CY2020Q3	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	8497000	USD
CY2021Q2	us-gaap	Disposal Group Including Discontinued Operation Accrued Liabilities Current DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent	3641000	USD
CY2020Q3	us-gaap	Disposal Group Including Discontinued Operation Accrued Liabilities Current DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent	3797000	USD
CY2021Q2	us-gaap	Disposal Group Including Discontinued Operation Other Noncurrent Liabilities DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities	4712000	USD
CY2020Q3	us-gaap	Disposal Group Including Discontinued Operation Other Noncurrent Liabilities DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities	7014000	USD
CY2021Q2	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	8353000	USD
CY2020Q3	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	10811000	USD
CY2021Q2	us-gaap	Restructuring Charges RestructuringCharges	4082000	USD
CY2020Q2	us-gaap	Restructuring Charges RestructuringCharges	1633000	USD
	us-gaap	Restructuring Charges RestructuringCharges	22444000	USD
	us-gaap	Restructuring Charges RestructuringCharges	11171000	USD
CY2021Q2	us-gaap	Restructuring Charges RestructuringCharges	4082000	USD
CY2020Q2	us-gaap	Restructuring Charges RestructuringCharges	1633000	USD
	us-gaap	Restructuring Charges RestructuringCharges	22444000	USD
	us-gaap	Restructuring Charges RestructuringCharges	11171000	USD
CY2020Q3	us-gaap	Restructuring Reserve RestructuringReserve	2965000	USD
CY2020Q4	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	10800000	USD
CY2020Q4	us-gaap	Payments For Restructuring PaymentsForRestructuring	4132000	USD
CY2020Q4	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	5794000	USD
CY2020Q4	us-gaap	Restructuring Reserve RestructuringReserve	3839000	USD
CY2021Q1	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	7562000	USD
CY2021Q1	us-gaap	Payments For Restructuring PaymentsForRestructuring	8113000	USD
CY2021Q1	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	2497000	USD
CY2021Q1	us-gaap	Restructuring Reserve RestructuringReserve	791000	USD
CY2021Q2	us-gaap	Restructuring And Related Cost Incurred Cost RestructuringAndRelatedCostIncurredCost	4082000	USD
CY2021Q2	us-gaap	Payments For Restructuring PaymentsForRestructuring	2989000	USD
CY2021Q2	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	1192000	USD
CY2021Q2	us-gaap	Restructuring Reserve RestructuringReserve	692000	USD
CY2021Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	386000	USD
CY2020Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	806000	USD
CY2021Q2	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	77000	USD
CY2020Q2	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	72000	USD
CY2021Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-226000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-392000	USD
CY2021Q2	us-gaap	Investment Income Net InvestmentIncomeNet	249000	USD
CY2020Q2	us-gaap	Investment Income Net InvestmentIncomeNet	499000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1192000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2199000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-302000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	441000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-680000	USD
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-1170000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	877000	USD
	us-gaap	Investment Income Net InvestmentIncomeNet	216000	USD
	gff	Contract Award Income ContractAwardIncome	700000	USD
CY2021Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	12678000	USD
CY2020Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	7789000	USD
CY2020Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	10843000	USD
CY2019Q3	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	7894000	USD
CY2021Q2	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	4806000	USD
CY2020Q2	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	5773000	USD
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	16022000	USD
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	14000000	USD
CY2021Q2	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	4304000	USD
CY2020Q2	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	3661000	USD
	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	13685000	USD
	us-gaap	Product Warranty Accrual Period Increase Decrease ProductWarrantyAccrualPeriodIncreaseDecrease	11993000	USD
CY2021Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	13180000	USD
CY2020Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	9901000	USD
CY2021Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	13180000	USD
CY2020Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	9901000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	3214000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	475000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2739000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	8172000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-530000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	8702000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	22387000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	1732000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	20655000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	818000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	109000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	709000	USD
CY2021Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	9940000	USD
CY2020Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	9909000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	29950000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	28648000	USD
CY2021Q2	us-gaap	Variable Lease Cost VariableLeaseCost	3012000	USD
CY2020Q2	us-gaap	Variable Lease Cost VariableLeaseCost	2032000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	6146000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	5608000	USD
CY2021Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	933000	USD
CY2020Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1280000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	3100000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	4103000	USD
CY2021Q2	us-gaap	Lease Cost LeaseCost	13885000	USD
CY2020Q2	us-gaap	Lease Cost LeaseCost	13221000	USD
	us-gaap	Lease Cost LeaseCost	39196000	USD
	us-gaap	Lease Cost LeaseCost	38359000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	33492000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	32882000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2824000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	3202000	USD
	gff	Cash Paid For Lease Liability CashPaidForLeaseLiability	36316000	USD
	gff	Cash Paid For Lease Liability CashPaidForLeaseLiability	36084000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	150924000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	161627000	USD
CY2021Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	30896000	USD
CY2020Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	31848000	USD
CY2021Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	124588000	USD
CY2020Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	136054000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	155484000	USD
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	167902000	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	17326000	USD
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	18774000	USD
CY2021Q2	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	2782000	USD
CY2020Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	3352000	USD
CY2021Q2	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	14564000	USD
CY2020Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	15339000	USD
CY2021Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	17346000	USD
CY2020Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	18691000	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	5258000	USD
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	2383000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	9771000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	1227000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	35363000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	3166000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	27677000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	2832000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	20719000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	2244000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	18673000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	2077000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	12689000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	2075000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	64282000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	7777000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	189174000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	21398000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	33690000	USD
CY2021Q2	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	4052000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	155484000	USD
CY2021Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	17346000	USD
CY2021Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y
CY2021Q2	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P8Y1M6D
CY2021Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0446
CY2021Q2	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0548
	gff	Site Contingency Ownership Period SiteContingencyOwnershipPeriod	P3Y
CY2009Q2	gff	Net Capital Cost Value In Proposed Remedia Action Plan NetCapitalCostValueInProposedRemediaActionPlan	10000000	USD

Files In Submission

Name	View Source	Status
0000050725-21-000056-index-headers.html	Edgar Link	pending
0000050725-21-000056-index.html	Edgar Link	pending
0000050725-21-000056.txt	Edgar Link	pending
0000050725-21-000056-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
gff-20210630.htm	Edgar Link	pending
gff-20210630.xsd	Edgar Link	pending
gff-20210630_cal.xml	Edgar Link	unprocessable
gff-20210630_def.xml	Edgar Link	unprocessable
gff-20210630_htm.xml	Edgar Link	completed
gff-20210630_lab.xml	Edgar Link	unprocessable
gff-20210630_pre.xml	Edgar Link	unprocessable
gff6-30x202110q2311.htm	Edgar Link	pending
gff6-30x202110q2312.htm	Edgar Link	pending
gff6-30x202110q232.htm	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$GFF
GRIFFON CORP Stock $gff

2021 Q2 Form 10-Q Financial Statement

#000005072521000056 Filed on July 30, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GFF GRIFFON CORP Stock $gff

2021 Q2 Form 10-Q Financial Statement

#000005072521000056 Filed on July 30, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GFF
GRIFFON CORP Stock $gff