$SIF
SIFCO Industries Inc Stock $sif

$sif Overview Financials Valuation SEC Filings Company Website

2021 Q3 Form 10-K Financial Statement

#000009016821000041 Filed on December 10, 2021

Income Statement

Concept	2021 Q3	2021	2020 Q3
Revenue	$24.32M	$99.59M	$29.05M
YoY Change	-16.3%	-12.31%	-6.65%
Cost Of Revenue	$24.86M	$88.39M	$26.11M
YoY Change	-4.78%	-5.58%	-2.2%
Gross Profit	-$545.0K	$11.21M	$2.941M
YoY Change	-118.53%	-43.87%	-33.54%
Gross Profit Margin	-2.24%	11.25%	10.12%
Selling, General & Admin	$3.148M	$13.48M	$3.629M
YoY Change	-13.25%	-3.84%	-56.63%
% of Gross Profit		120.34%	123.39%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.952M	$7.662M	$1.804M
YoY Change	8.2%	3.82%	0.78%
% of Gross Profit		68.38%	61.34%
Operating Expenses	$3.394M	$13.48M	$3.902M
YoY Change	-13.02%	-3.84%	-55.54%
Operating Profit	-$3.939M	-$1.102M	-$961.0K
YoY Change	309.89%	-110.86%	-77.91%
Interest Expense	-$161.0K	$638.0K	-$228.0K
YoY Change	-29.39%	-27.99%	6.05%
% of Operating Profit
Other Income/Expense, Net	-$331.0K	-$202.0K	-$284.0K
YoY Change	16.55%	-10.62%	70.06%
Pretax Income	-$2.945M	-$1.965M	$4.913M
YoY Change	-159.94%	-121.88%	94.96%
Income Tax	-$446.0K	-$1.222M	-$110.0K
% Of Pretax Income			-2.24%
Net Earnings	-$2.499M	-$743.0K	$5.023M
YoY Change	-149.75%	-108.08%	108.86%
Net Earnings / Revenue	-10.28%	-0.75%	17.29%
Basic Earnings Per Share		-$0.13
Diluted Earnings Per Share	-$432.6K	-$0.13	$857.2K
COMMON SHARES
Basic Shares Outstanding		5.759M shares
Diluted Shares Outstanding		5.759M shares

Balance Sheet

Concept	2021 Q3	2021	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$346.0K	$346.0K	$427.0K
YoY Change	-18.97%	-18.97%	25.22%
Cash & Equivalents	$346.0K	$346.0K	$427.0K
Short-Term Investments
Other Short-Term Assets	$1.792M	$1.792M	$2.338M
YoY Change	-23.35%	-23.35%	60.25%
Inventory	$12.55M	$12.55M	$15.57M
Prepaid Expenses
Receivables	$32.79M	$32.79M	$35.22M
Other Receivables	$0.00	$101.0K	$1.547M
Total Short-Term Assets	$47.57M	$47.57M	$55.21M
YoY Change	-13.83%	-13.83%	11.62%
LONG-TERM ASSETS
Property, Plant & Equipment	$58.65M	$58.65M	$61.22M
YoY Change	-4.2%	-4.2%	54.56%
Goodwill	$3.493M		$3.493M
YoY Change	0.0%		0.0%
Intangibles	$874.0K		$1.890M
YoY Change	-53.76%		-43.07%
Long-Term Investments
YoY Change
Other Assets	$77.00K	$77.00K	$137.0K
YoY Change	-43.8%	-43.8%	-37.16%
Total Long-Term Assets	$63.10M	$63.10M	$66.74M
YoY Change	-5.46%	-5.46%	43.1%
TOTAL ASSETS
Total Short-Term Assets	$47.57M	$47.57M	$55.21M
Total Long-Term Assets	$63.10M	$63.10M	$66.74M
Total Assets	$110.7M	$110.7M	$121.9M
YoY Change	-9.25%	-9.25%	26.9%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$9.811M	$9.811M	$14.00M
YoY Change	-29.93%	-29.93%	-29.28%
Accrued Expenses	$6.871M	$7.423M	$8.290M
YoY Change	-17.12%	-14.14%	49.18%
Deferred Revenue	$236.0K		$636.0K
YoY Change	-62.89%		66.49%
Short-Term Debt	$8.930M	$0.00	$12.87M
YoY Change	-30.61%		-17.19%
Long-Term Debt Due	$9.566M	$18.50M	$7.144M
YoY Change	33.9%	-7.58%	23.47%
Total Short-Term Liabilities	$35.97M	$35.97M	$43.30M
YoY Change	-16.93%	-16.93%	-7.26%
LONG-TERM LIABILITIES
Long-Term Debt	$2.669M	$2.669M	$4.606M
YoY Change	-42.05%	-42.05%	124.46%
Other Long-Term Liabilities	$741.0K	$22.25M	$769.0K
YoY Change	-3.64%	-17.95%	1120.63%
Total Long-Term Liabilities	$3.410M	$24.92M	$5.375M
YoY Change	-36.56%	-21.45%	154.14%
TOTAL LIABILITIES
Total Short-Term Liabilities	$35.97M	$35.97M	$43.30M
Total Long-Term Liabilities	$3.410M	$24.92M	$5.375M
Total Liabilities	$39.38M	$61.05M	$48.67M
YoY Change	-19.1%	-20.12%	-0.26%
SHAREHOLDERS EQUITY
Retained Earnings	$41.60M		$42.34M
YoY Change	-1.75%		27.73%
Common Stock	$5.987M		$5.916M
YoY Change	1.2%		2.41%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$49.62M	$49.62M	$45.52M
YoY Change
Total Liabilities & Shareholders Equity	$110.7M	$110.7M	$121.9M
YoY Change	-9.25%	-9.25%	26.9%

Cashflow Statement

Concept	2021 Q3	2021	2020 Q3
OPERATING ACTIVITIES
Net Income	-$2.499M	-$743.0K	$5.023M
YoY Change	-149.75%	-108.08%	108.86%
Depreciation, Depletion And Amortization	$1.952M	$7.662M	$1.804M
YoY Change	8.2%	3.82%	0.78%
Cash From Operating Activities	$440.0K	$3.892M	-$1.845M
YoY Change	-123.85%	766.82%	-49.35%
INVESTING ACTIVITIES
Capital Expenditures	$896.0K	-$4.979M	-$1.585M
YoY Change	-156.53%	-44.84%	-34.26%
Acquisitions
YoY Change
Other Investing Activities	$0.00	$4.101M	$1.645M
YoY Change	-100.0%	-47.61%	-41.02%
Cash From Investing Activities	$896.0K	-$878.0K	$60.00K
YoY Change	1393.33%	-26.71%	-84.13%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$405.0K
YoY Change		-74.97%
Cash From Financing Activities	-1.235M	-$3.111M	1.921M
YoY Change	-164.29%	-478.47%	-34.1%
NET CHANGE
Cash From Operating Activities	440.0K	$3.892M	-1.845M
Cash From Investing Activities	896.0K	-$878.0K	60.00K
Cash From Financing Activities	-1.235M	-$3.111M	1.921M
Net Change In Cash	101.0K	-$97.00K	136.0K
YoY Change	-25.74%	-232.88%	-138.86%
FREE CASH FLOW
Cash From Operating Activities	$440.0K	$3.892M	-$1.845M
Capital Expenditures	$896.0K	-$4.979M	-$1.585M
Free Cash Flow	-$456.0K	$8.871M	-$260.0K
YoY Change	75.38%	-6.37%	-78.9%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000090168
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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
CY2021Q3	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
CY2021Q3	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtCurrent
CY2020Q3	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtCurrent
CY2020Q3	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtNoncurrent
CY2021Q3	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#LongTermDebtNoncurrent
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	1-5978
CY2021	dei	Entity Registrant Name EntityRegistrantName	SIFCO Industries, Inc.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	OH
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	34-0553950
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	970 East 64th Street,
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Cleveland
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	OH
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	44103
CY2021	dei	City Area Code CityAreaCode	(216)
CY2021	dei	Local Phone Number LocalPhoneNumber	881-8600
CY2021	dei	Security12b Title Security12bTitle	Common Shares
CY2021	dei	Trading Symbol TradingSymbol	SIF
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSEAMER
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	true
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021Q1	dei	Entity Public Float EntityPublicFloat	37289960	USD
CY2021Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	6016970	shares
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	99591000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	113573000	USD
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	88386000	USD
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	93611000	USD
CY2021	us-gaap	Gross Profit GrossProfit	11205000	USD
CY2020	us-gaap	Gross Profit GrossProfit	19962000	USD
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	13484000	USD
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	14022000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1011000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1497000	USD
CY2021	sif	Gain Loss On Disposition Of Assets Impairment Of Assets Or Gain On Business Interruption Insurance Recovery GainLossOnDispositionOfAssetsImpairmentOfAssetsOrGainOnBusinessInterruptionInsuranceRecovery	-209000	USD
CY2020	sif	Gain Loss On Disposition Of Assets Impairment Of Assets Or Gain On Business Interruption Insurance Recovery GainLossOnDispositionOfAssetsImpairmentOfAssetsOrGainOnBusinessInterruptionInsuranceRecovery	-174000	USD
CY2021	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	2397000	USD
CY2020	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	5874000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	-1102000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	10143000	USD
CY2021	us-gaap	Interest Expense InterestExpense	638000	USD
CY2020	us-gaap	Interest Expense InterestExpense	886000	USD
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-23000	USD
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-51000	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-202000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-226000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1965000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8980000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1222000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-211000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-743000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	9191000	USD
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CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.62
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CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.59
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5759000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5661000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5759000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5791000	shares
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-743000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	9191000	USD
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CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Before Reclassification Adjustments Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax	0	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	-4491000	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent	569000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	3646000	USD
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CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	346000	USD
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CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	167000	USD
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CY2021Q3	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	12874000	USD
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CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	49622000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	45523000	USD
CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	110668000	USD
CY2020Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	121948000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-743000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	9191000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7662000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7380000	USD
CY2021	sif	Amortization And Write Off Of Debt Issuance Cost AmortizationAndWriteOffOfDebtIssuanceCost	72000	USD
CY2020	sif	Amortization And Write Off Of Debt Issuance Cost AmortizationAndWriteOffOfDebtIssuanceCost	129000	USD
CY2021	sif	Gain Loss On Disposition Of Assets Or Impairment Of Assets GainLossOnDispositionOfAssetsOrImpairmentOfAssets	-209000	USD
CY2020	sif	Gain Loss On Disposition Of Assets Or Impairment Of Assets GainLossOnDispositionOfAssetsOrImpairmentOfAssets	-174000	USD
CY2021	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	2397000	USD
CY2020	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	5874000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	287000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2021	us-gaap	Inventory Lifo Reserve Period Charge InventoryLIFOReservePeriodCharge	924000	USD
CY2020	us-gaap	Inventory Lifo Reserve Period Charge InventoryLIFOReservePeriodCharge	-10000	USD
CY2021	sif	Share Transactions Under Company Stock Plan ShareTransactionsUnderCompanyStockPlan	453000	USD
CY2020	sif	Share Transactions Under Company Stock Plan ShareTransactionsUnderCompanyStockPlan	390000	USD
CY2021	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	-1288000	USD
CY2020	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	-422000	USD
CY2021	sif	Other Noncash Long Term Liabilities OtherNoncashLongTermLiabilities	375000	USD
CY2020	sif	Other Noncash Long Term Liabilities OtherNoncashLongTermLiabilities	27000	USD
CY2021	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-3244000	USD
CY2020	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-251000	USD
CY2021	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	877000	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	1648000	USD
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-2044000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	4653000	USD
CY2021	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-2000	USD
CY2020	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-38000	USD
CY2021	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-157000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	980000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-61000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-125000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-4443000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-7060000	USD
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-1279000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	3240000	USD
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	3000	USD
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	151000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3892000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	449000	USD
CY2021	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	4101000	USD
CY2020	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	7828000	USD
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	4979000	USD
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	9026000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-878000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1198000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1020000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	6628000	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	405000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1618000	USD
CY2021	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	89264000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	111404000	USD
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	93204000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	114076000	USD
CY2021	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-3613000	USD
CY2020	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-3206000	USD
CY2021	sif	Repayments Of Short Term Debt And Lease Obligation RepaymentsOfShortTermDebtAndLeaseObligation	3354000	USD
CY2020	sif	Repayments Of Short Term Debt And Lease Obligation RepaymentsOfShortTermDebtAndLeaseObligation	4722000	USD
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	45000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-3111000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	822000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-97000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	73000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	427000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	341000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	16000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	13000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	346000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	427000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	397000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	692000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	62000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	52000	USD
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	257000	USD
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	915000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	36054000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9032000	USD
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	-47000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	398000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-8000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	45523000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	3646000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	469000	USD
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-16000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	49622000	USD
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	CONCENTRATIONS OF CREDIT RISK<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Receivables are presented net of allowance for doubtful accounts of $167 and $249 at September 30, 2021 and 2020, respectively. Accounts receivable outstanding longer than the contractual payment terms are considered past due. The Company writes off accounts receivable when they become uncollectible. During fiscal 2021 $9 of accounts receivable were recovered against the allowance for doubtful accounts while in fiscal 2020 $263 of accounts receivable were written off against the allowance for doubtful accounts. Bad debt benefit totaled $91 and $80 in fiscal 2021 and fiscal 2020, respectively.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Most of the Company’s receivables represent trade receivables due from manufacturers of turbine engines and aircraft components as well as turbine engine overhaul companies located throughout the world, including a significant concentration of U.S. based companies. In fiscal 2021, 20% of the Company’s consolidated net sales were from two of its largest customers; and 38% of the Company's consolidated net sales were from the three largest customers and their direct subcontractors, which individually accounted for 17%, 11%, and 10%, of consolidated net sales, respectively. In fiscal 2020, 10% of the Company’s consolidated net sales were from one of its largest customers; and 49% of the Company's consolidated net sales were from four of the largest customers and their direct subcontractors which individually accounted for 16%, 13%, 10% and 10%, of consolidated net sales, respectively. Other than what has been disclosed, no other single customer or group represented greater than 10% of total net sales in fiscal 2021 and 2020. </span></div>At September 30, 2021, none of the Company’s largest customers had outstanding net accounts receivable balances that were individually greater than 10% of the total net accounts receivable; and one of the largest customers and their direct subcontractors collectively had outstanding net accounts receivable which accounted for 17% of total net accounts receivable. At September 30, 2020, one of the Company’s largest customers had outstanding net accounts receivable which individually accounted for 11% of total net accounts receivable; and three of the largest customers and their direct subcontractors had outstanding net accounts receivable which accounted for 13%, 13%, and 12% of total net accounts receivable, respectively. The Company performs ongoing credit evaluations of its customers’ financial conditions. The Company believes its allowance for doubtful accounts is sufficient based on the credit exposures outstanding at September 30, 2021.
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	167000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	249000	USD
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	9000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	263000	USD
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-91000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-80000	USD
CY2021Q3	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.39
CY2020Q3	us-gaap	Percentage Of Lifo Inventory PercentageOfLIFOInventory	0.47
CY2021Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	3444000	USD
CY2020Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	3676000	USD
CY2021Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	110796000	USD
CY2020Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	108025000	USD
CY2021Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	68088000	USD
CY2020Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	63824000	USD
CY2021Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	42708000	USD
CY2020Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	44201000	USD
CY2021	us-gaap	Depreciation Depreciation	6651000	USD
CY2020	us-gaap	Depreciation Depreciation	5883000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-743000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	9191000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5759000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5661000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5759000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5791000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.13
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.62
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.13
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.59
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	412000	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	207000	shares
CY2021	us-gaap	Use Of Estimates UseOfEstimates	USE OF ESTIMATESAccounting principles generally accepted in the U.S. require management to make a number of estimates and assumptions relating to the reported amounts of assets and liabilities and the disclosure of contingent liabilities, at the date of the consolidated financial statements, and the reported amounts of revenues and expenses during the period in preparing these financial statements. Actual results could differ from those estimates.
CY2020	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-1150000	USD
CY2020	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-991000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-159000	USD
CY2021	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	3269000	USD
CY2021	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-1120000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4389000	USD
CY2021	us-gaap	Inventory Lifo Reserve Period Charge InventoryLIFOReservePeriodCharge	924000	USD
CY2020	us-gaap	Inventory Lifo Reserve Period Charge InventoryLIFOReservePeriodCharge	-10000	USD
CY2021Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	4111000	USD
CY2020Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	6548000	USD
CY2021Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	3560000	USD
CY2020Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	3786000	USD
CY2021Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	4875000	USD
CY2020Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	5235000	USD
CY2021Q3	us-gaap	Inventory Net InventoryNet	12546000	USD
CY2020Q3	us-gaap	Inventory Net InventoryNet	15569000	USD
CY2021Q3	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	9210000	USD
CY2020Q3	us-gaap	Excess Of Replacement Or Current Costs Over Stated Lifo Value ExcessOfReplacementOrCurrentCostsOverStatedLIFOValue	8286000	USD
CY2021	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	156000	USD
CY2020	us-gaap	Effect Of Lifo Inventory Liquidation On Income EffectOfLIFOInventoryLiquidationOnIncome	0	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	17334000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	16455000	USD
CY2021	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2021	us-gaap	Finite Lived Intangible Assets Translation And Purchase Accounting Adjustments FiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments	-5000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	874000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	17334000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	15405000	USD
CY2020	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2020	us-gaap	Finite Lived Intangible Assets Translation And Purchase Accounting Adjustments FiniteLivedIntangibleAssetsTranslationAndPurchaseAccountingAdjustments	-39000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1890000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1011000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1497000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	324000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	247000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	174000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	129000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	0	USD
CY2019Q3	us-gaap	Goodwill Goodwill	3493000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	0	USD
CY2020Q3	us-gaap	Goodwill Goodwill	3493000	USD
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	0	USD
CY2021Q3	us-gaap	Goodwill Goodwill	3493000	USD
CY2021Q3	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	4075000	USD
CY2020Q3	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	5476000	USD
CY2021Q3	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	888000	USD
CY2020Q3	us-gaap	Workers Compensation Liability Current WorkersCompensationLiabilityCurrent	546000	USD
CY2021Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	236000	USD
CY2020Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	636000	USD
CY2021Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1672000	USD
CY2020Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1632000	USD
CY2021Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	6871000	USD
CY2020Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	8290000	USD
CY2021Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	22000	USD
CY2020Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	80000	USD
CY2021Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	32000	USD
CY2020Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	20000	USD
CY2021Q3	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	21165000	USD
CY2020Q3	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	24620000	USD
CY2021Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	18496000	USD
CY2020Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	20014000	USD
CY2021Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2669000	USD
CY2020Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	4606000	USD
CY2021	sif	Number Of Customer Invoices Factored NumberOfCustomerInvoicesFactored	1	customer
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	99591000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	113573000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	99591000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	113573000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	99591000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	113573000	USD
CY2019Q3	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	10349000	USD
CY2020	sif	Contract With Customer Asset Additional Revenue Recognized ContractWithCustomerAssetAdditionalRevenueRecognized	67043000	USD
CY2020	sif	Contract With Customer Asset Amounts Billed To Customers ContractWithCustomerAssetAmountsBilledToCustomers	65395000	USD
CY2020Q3	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	11997000	USD
CY2021	sif	Contract With Customer Asset Additional Revenue Recognized ContractWithCustomerAssetAdditionalRevenueRecognized	64384000	USD
CY2021	sif	Contract With Customer Asset Amounts Billed To Customers ContractWithCustomerAssetAmountsBilledToCustomers	63507000	USD
CY2021Q3	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	12874000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	382000	USD
CY2020	sif	Contract With Customer Liability Payments Received In Advance Of Performance Obligations ContractWithCustomerLiabilityPaymentsReceivedInAdvanceOfPerformanceObligations	865000	USD
CY2020	sif	Contract With Customer Liability Liability Including New Contract Revenue Recognized ContractWithCustomerLiabilityLiabilityIncludingNewContractRevenueRecognized	611000	USD
CY2020Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	636000	USD
CY2021	sif	Contract With Customer Liability Payments Received In Advance Of Performance Obligations ContractWithCustomerLiabilityPaymentsReceivedInAdvanceOfPerformanceObligations	829000	USD
CY2021	sif	Contract With Customer Liability Liability Including New Contract Revenue Recognized ContractWithCustomerLiabilityLiabilityIncludingNewContractRevenueRecognized	1229000	USD
CY2021Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	236000	USD
CY2020	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	USD
CY2021	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	USD
CY2021Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	77198000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	91135000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-1523000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	10071000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-442000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-1091000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1965000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8980000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-1000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	8000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	19000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	59000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	192000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	66000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	211000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	10000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	10000	USD
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-2000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1000	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-1296000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-433000	USD
CY2021	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	126000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1288000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-422000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1222000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-211000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1965000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8980000	USD
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-413000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1886000	USD
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-193000	USD
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	0	USD
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	6000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	20000	USD
CY2021	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	145000	USD
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	135000	USD
CY2021	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-601000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	2025000	USD
CY2021	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	-1115000	USD
CY2020	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	0	USD
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	37000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	43000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1222000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-211000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	3833000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	3543000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	637000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Foreign DeferredTaxAssetsOperatingLossCarryforwardsForeign	789000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	1761000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	2688000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	897000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Loss Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves	1049000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	45000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	73000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	1621000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	2197000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	1724000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	1724000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	1514000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Other DeferredTaxAssetsTaxCreditCarryforwardsOther	1359000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1216000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1171000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	13248000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	14593000	USD
CY2021Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	7948000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	8653000	USD
CY2021Q3	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	359000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	376000	USD
CY2021Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	458000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1635000	USD
CY2021Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	8765000	USD
CY2020Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	10664000	USD
CY2021Q3	sif	Net Deferred Tax Assets And Liabilities Before Valuation Allowance NetDeferredTaxAssetsAndLiabilitiesBeforeValuationAllowance	4483000	USD
CY2020Q3	sif	Net Deferred Tax Assets And Liabilities Before Valuation Allowance NetDeferredTaxAssetsAndLiabilitiesBeforeValuationAllowance	3929000	USD
CY2021Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4641000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	5329000	USD
CY2021Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	158000	USD
CY2020Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1400000	USD
CY2021Q3	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	22000	USD
CY2020Q3	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	22000	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	22000	USD
CY2021Q3	us-gaap	Income Tax Examination Interest Accrued IncomeTaxExaminationInterestAccrued	15000	USD
CY2021	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	1000	USD
CY2020Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	22000	USD
CY2019Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	22000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2021Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	22000	USD
CY2020Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	22000	USD
CY2021Q3	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	500000	USD
CY2021	sif	Defined Benefit Plan Number Of Defined Benefit Pension Plans DefinedBenefitPlanNumberOfDefinedBenefitPensionPlans	4	plan
CY2021	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	131000	USD
CY2020	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	341000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	832000	USD
CY2021	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	1421000	USD
CY2021	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	699000	USD
CY2020	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	1453000	USD
CY2021	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-846000	USD
CY2020	us-gaap	Defined Benefit Plan Amortization Of Gains Losses DefinedBenefitPlanAmortizationOfGainsLosses	-752000	USD
CY2021	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-274000	USD
CY2020	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-239000	USD
CY2021	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	529000	USD
CY2020	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	711000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	31793000	USD
CY2019Q3	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	30548000	USD
CY2021	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	131000	USD
CY2020	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	341000	USD
CY2021	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	699000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	832000	USD
CY2021	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	967000	USD
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-2037000	USD
CY2021	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	2349000	USD
CY2020	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	1965000	USD
CY2021	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	23000	USD
CY2020	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	0	USD
CY2021Q3	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	29330000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	31793000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	21609000	USD
CY2019Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	20970000	USD
CY2021	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	3825000	USD
CY2020	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	1930000	USD
CY2020	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	674000	USD
CY2021	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	2349000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	1762000	USD
CY2021Q3	sif	Defined Benefit Plans With Benefit Obligations In Excess Of Plan Assets Aggregate Benefit Obligation Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlansWithBenefitObligationsInExcessOfPlanAssetsAggregateBenefitObligationAccumulatedOtherComprehensiveIncomeBeforeTax	7482000	USD
CY2020	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	1965000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	23211000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	21609000	USD
CY2021	us-gaap	Defined Benefit Plan Benefit Obligation Period Increase Decrease DefinedBenefitPlanBenefitObligationPeriodIncreaseDecrease	-2463000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	29330000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	31793000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-6119000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-10211000	USD
CY2021Q3	sif	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Aggregate Benefit Obligation Accumulated Other Comprehensive Income Net Gains Losses After Tax DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAggregateBenefitObligationAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax	7482000	USD
CY2020Q3	sif	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Aggregate Benefit Obligation Accumulated Other Comprehensive Income Net Gains Losses After Tax DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAggregateBenefitObligationAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax	11973000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	1363000	USD
CY2020Q3	sif	Defined Benefit Plans With Benefit Obligations In Excess Of Plan Assets Aggregate Benefit Obligation Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlansWithBenefitObligationsInExcessOfPlanAssetsAggregateBenefitObligationAccumulatedOtherComprehensiveIncomeBeforeTax	11973000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	1363000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	1762000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.026
CY2020Q3	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.023
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.031
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.029
CY2021	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.070
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.072
CY2021Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	23211000	USD
CY2020Q3	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	21609000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2020Q3	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2021Q3	us-gaap	Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear	83000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	2188000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	1813000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	1844000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	1924000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	1793000	USD
CY2021Q3	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	8251000	USD
CY2020Q3	us-gaap	Multiemployer Plans Withdrawal Obligation MultiemployerPlansWithdrawalObligation	739000	USD
CY2021	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	1
CY2021	sif	Percentage Of Eligible Compensation Of Deferral Contribution Minimum PercentageOfEligibleCompensationOfDeferralContributionMinimum	0.01
CY2021	sif	Percentage Of Deferral Participant Contribution PercentageOfDeferralParticipantContribution	0.80
CY2021	sif	Percentage Of Eligible Compensation Of Deferral Contribution Minimum PercentageOfEligibleCompensationOfDeferralContributionMinimum	0.01
CY2021	sif	Percentage Of Eligible Compensation Of Deferral Contribution Maximum PercentageOfEligibleCompensationOfDeferralContributionMaximum	0.06
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	571000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	648000	USD
CY2020Q1	sif	Defined Contribution Plan Non Elective Contribution Per Hour Amount DefinedContributionPlanNonElectiveContributionPerHourAmount	1.50	USD
CY2021	sif	Defined Contribution Plan Non Elective Contribution Expense DefinedContributionPlanNonElectiveContributionExpense	112000	USD
CY2020	sif	Defined Contribution Plan Non Elective Contribution Expense DefinedContributionPlanNonElectiveContributionExpense	56000	USD
CY2021	sif	Share Based Compensation Arrangement By Share Based Payment Award Compensation Expense Recognition Percentage Of Target ShareBasedCompensationArrangementByShareBasedPaymentAwardCompensationExpenseRecognitionPercentageOfTarget	0.50
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	371000	shares
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	4.14
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	331000	shares
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	2173000	USD
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	5.33
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	8000	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	3.18
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	65000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	5.70
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	406000	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	4.05
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	371000	shares
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	4.14
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	55000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	55000	USD
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	2000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	5000	USD
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	1952000	USD
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P15Y1M24D
CY2021Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0283
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	138000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	157000	USD
CY2021	us-gaap	Lease Cost LeaseCost	2147000	USD
CY2020	us-gaap	Lease Cost LeaseCost	2390000	USD
CY2021Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	34000	USD
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	89000	USD
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	15943000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	17021000	USD
CY2021Q3	sif	Lease Right Of Use Asset LeaseRightOfUseAsset	15977000	USD
CY2020Q3	sif	Lease Right Of Use Asset LeaseRightOfUseAsset	17110000	USD
CY2021Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	17000	USD
CY2020Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	58000	USD
CY2021Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	788000	USD
CY2020Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	991000	USD
CY2021Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	5000	USD
CY2020Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	22000	USD
CY2021Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	15439000	USD
CY2020Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	16188000	USD
CY2021Q3	sif	Lease Liability LeaseLiability	16249000	USD
CY2020Q3	sif	Lease Liability LeaseLiability	17259000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	1952000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	2173000	USD
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	2000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	5000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	59000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	57000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	43000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	278000	USD
CY2021Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P1Y18D
CY2020Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P1Y7M20D
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P14Y4M20D
CY2020Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0484
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0589
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0589
CY2021Q3	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	17000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1694000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	5000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1633000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	0	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1647000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	0	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1644000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1620000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	15906000	USD
CY2021Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	22000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	24144000	USD
CY2021Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	0	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7917000	USD
CY2021Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	22000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	16227000	USD
CY2021	sif	Payment For Business Interruption Insurance PaymentForBusinessInterruptionInsurance	546000	USD
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	88386000	USD
CY2021	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	2397000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1965000	USD
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	93611000	USD
CY2020	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	5874000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8980000	USD
	sif	Litigation Settlement Insurance Proceeds Paid To Landlord LitigationSettlementInsuranceProceedsPaidToLandlord	3640000	USD
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	Segment
CY2021Q3	us-gaap	Noncurrent Assets NoncurrentAssets	63095000	USD
CY2020Q3	us-gaap	Noncurrent Assets NoncurrentAssets	66741000	USD
CY2021Q3	sif	Numberof Employees Representedby Separate Collective Bargaining Units NumberofEmployeesRepresentedbySeparateCollectiveBargainingUnits	177	hourly_plant_personnel
CY2021	sif	Numberof Collective Bargain Units NumberofCollectiveBargainUnits	3	separate_bargaining_unit
CY2021	sif	Number Of Units Early Negotiations And Ratification For Collective Bargaining Agreements NumberOfUnitsEarlyNegotiationsAndRatificationForCollectiveBargainingAgreements	2	separate_bargaining_unit

Files In Submission

Name	View Source	Status
0000090168-21-000041-index-headers.html	Edgar Link	pending
0000090168-21-000041-index.html	Edgar Link	pending
0000090168-21-000041.txt	Edgar Link	pending
0000090168-21-000041-xbrl.zip	Edgar Link	pending
exhibit21110k2021.htm	Edgar Link	pending
exhibit23110k2021.htm	Edgar Link	pending
exhibit31110k2021.htm	Edgar Link	pending
exhibit31210k2021.htm	Edgar Link	pending
exhibit32110k2021.htm	Edgar Link	pending
exhibit32210k2021.htm	Edgar Link	pending
exhibit41descriptionofsecu.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending
sif-20210930.htm	Edgar Link	pending
sif-20210930.xsd	Edgar Link	pending
sif-20210930_cal.xml	Edgar Link	unprocessable
sif-20210930_def.xml	Edgar Link	unprocessable
sif-20210930_htm.xml	Edgar Link	completed
sif-20210930_lab.xml	Edgar Link	unprocessable
sif-20210930_pre.xml	Edgar Link	unprocessable

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$SIF
SIFCO Industries Inc Stock $sif

2021 Q3 Form 10-K Financial Statement

#000009016821000041 Filed on December 10, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SIF SIFCO Industries Inc Stock $sif

2021 Q3 Form 10-K Financial Statement

#000009016821000041 Filed on December 10, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SIF
SIFCO Industries Inc Stock $sif