$BELFA
BEL FUSE INC /NJ Stock $belfa

$belfa Overview Financials Valuation SEC Filings Company Website

2023 Q4 Form 10-K Financial Statement

#000143774924007265 Filed on March 11, 2024

Income Statement

Concept	2023 Q4	2023
Revenue	$140.0M	$639.8M
YoY Change	-17.25%	-2.2%
Cost Of Revenue	$88.83M	$424.0M
YoY Change	-23.88%	-9.94%
Gross Profit	$51.18M	$215.8M
YoY Change	-2.52%	17.66%
Gross Profit Margin	36.56%	33.74%
Selling, General & Admin	$24.94M	$99.09M
YoY Change	-0.73%	7.31%
% of Gross Profit	48.73%	45.91%
Research & Development	$5.966M	$22.50M
YoY Change	1.86%	11.39%
% of Gross Profit	11.66%	10.42%
Depreciation & Amortization	$3.352M	$13.31M
YoY Change	2.85%	-10.44%
% of Gross Profit	6.55%	6.17%
Operating Expenses	$30.91M	$121.6M
YoY Change	-0.24%	8.04%
Operating Profit	$20.28M	$87.98M
YoY Change	-5.8%	35.04%
Interest Expense	$532.0K	$2.850M
YoY Change	-154.96%	-15.66%
% of Operating Profit	2.62%	3.24%
Other Income/Expense, Net	-$2.520M	-$2.806M
YoY Change	-1255.96%	3.58%
Pretax Income	$13.50M	$83.30M
YoY Change	-22.65%	41.05%
Income Tax	$1.463M	$9.469M
% Of Pretax Income	10.84%	11.37%
Net Earnings	$12.04M	$73.83M
YoY Change	-14.27%	40.13%
Net Earnings / Revenue	8.6%	11.54%
Basic Earnings Per Share
Diluted Earnings Per Share	$0.94	$5.78
COMMON SHARES
Basic Shares Outstanding
Diluted Shares Outstanding

Balance Sheet

Concept	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$89.37M	$89.37M
YoY Change	27.19%	27.19%
Cash & Equivalents	$89.37M	$89.37M
Short-Term Investments
Other Short-Term Assets	$21.10M	$58.65M
YoY Change	60.32%	86.75%
Inventory	$136.5M	$136.5M
Prepaid Expenses
Receivables	$84.13M	$96.92M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$381.5M	$381.5M
YoY Change	0.02%	0.02%
LONG-TERM ASSETS
Property, Plant & Equipment	$36.53M	$57.01M
YoY Change	-0.81%	-2.35%
Goodwill	$26.64M
YoY Change	6.15%
Intangibles	$49.39M
YoY Change	-8.72%
Long-Term Investments	$10.28M	$10.28M
YoY Change
Other Assets	$33.12M	$44.67M
YoY Change	-3.11%	7.73%
Total Long-Term Assets	$190.2M	$190.2M
YoY Change	6.2%	6.2%
TOTAL ASSETS
Total Short-Term Assets	$381.5M	$381.5M
Total Long-Term Assets	$190.2M	$190.2M
Total Assets	$571.6M	$571.6M
YoY Change	1.99%	1.99%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$40.44M	$40.44M
YoY Change	-37.39%	-37.39%
Accrued Expenses	$54.66M	$57.96M
YoY Change	7.44%	887.41%
Deferred Revenue	$3.046M
YoY Change	-65.57%
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due		$485.0K
YoY Change		8.74%
Total Short-Term Liabilities	$110.6M	$110.6M
YoY Change	-18.85%	-18.85%
LONG-TERM LIABILITIES
Long-Term Debt	$60.00M	$61.54M
YoY Change	-36.84%	-35.22%
Other Long-Term Liabilities	$5.097M	$57.47M
YoY Change	-21.55%	-13.99%
Total Long-Term Liabilities	$65.10M	$119.0M
YoY Change	-35.86%	-26.45%
TOTAL LIABILITIES
Total Short-Term Liabilities	$110.6M	$110.6M
Total Long-Term Liabilities	$65.10M	$119.0M
Total Liabilities	$231.1M	$231.1M
YoY Change	-22.49%	-22.49%
SHAREHOLDERS EQUITY
Retained Earnings	$307.5M
YoY Change	29.65%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$340.6M	$340.6M
YoY Change
Total Liabilities & Shareholders Equity	$571.6M	$571.6M
YoY Change	1.99%	1.99%

Cashflow Statement

Concept	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$12.04M	$73.83M
YoY Change	-14.27%	40.13%
Depreciation, Depletion And Amortization	$3.352M	$13.31M
YoY Change	2.85%	-10.44%
Cash From Operating Activities	$26.92M	$108.3M
YoY Change	66.29%	169.14%
INVESTING ACTIVITIES
Capital Expenditures	$2.466M	$12.13M
YoY Change	-23.42%	37.3%
Acquisitions
YoY Change
Other Investing Activities	-$40.00M	-$41.41M
YoY Change		-2359.08%
Cash From Investing Activities	-$42.47M	-$53.54M
YoY Change	1218.79%	664.89%
FINANCING ACTIVITIES
Cash Dividend Paid		$3.492M
YoY Change		2.31%
Common Stock Issuance & Retirement, Net		$105.0K
YoY Change		-69.91%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-1.107M	-$38.60M
YoY Change	-93.06%	81.53%
NET CHANGE
Cash From Operating Activities	26.92M	$108.3M
Cash From Investing Activities	-42.47M	-$53.54M
Cash From Financing Activities	-1.107M	-$38.60M
Net Change In Cash	-16.65M	$19.11M
YoY Change	459.76%	124.5%
FREE CASH FLOW
Cash From Operating Activities	$26.92M	$108.3M
Capital Expenditures	$2.466M	$12.13M
Free Cash Flow	$24.45M	$96.22M
YoY Change	88.56%	206.2%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1388000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1552000	usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
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CY2022Q4	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	93000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	47000	usd
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CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	47000	usd
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CY2023Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2023	belfa	Number Of Industry In Which Entity Operates NumberOfIndustryInWhichEntityOperates	1	pure
CY2023	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	pure
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CY2022Q4	belfa	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-369000	usd
CY2023Q4	belfa	Aoci Cash Flow Hedge Cumulative Gain Loss Tax AociCashFlowHedgeCumulativeGainLossTax	0	usd
CY2022Q4	belfa	Aoci Cash Flow Hedge Cumulative Gain Loss Tax AociCashFlowHedgeCumulativeGainLossTax	0	usd
CY2023Q4	belfa	Accumulated Other Comprehensive Income Loss Availableforsale Securities Adjustment Tax AccumulatedOtherComprehensiveIncomeLossAvailableforsaleSecuritiesAdjustmentTax	-7000	usd
CY2022Q4	belfa	Accumulated Other Comprehensive Income Loss Availableforsale Securities Adjustment Tax AccumulatedOtherComprehensiveIncomeLossAvailableforsaleSecuritiesAdjustmentTax	-7000	usd
CY2023Q4	belfa	Accumulated Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-718000	usd
CY2022Q4	belfa	Accumulated Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-879000	usd
CY2023	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
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CY2023	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
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CY2023	dei	Document Type DocumentType	10-K
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	000-11676
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NJ
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	22-1463699
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	300 Executive Drive, Suite 300
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	West Orange
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	NJ
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	07052
CY2023	dei	City Area Code CityAreaCode	201
CY2023	dei	Local Phone Number LocalPhoneNumber	432-0463
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	true
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
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CY2023	dei	Auditor Firm AuditorFirmId	248
CY2023	dei	Auditor Name AuditorName	GRANT THORNTON LLP
CY2023	dei	Auditor Location AuditorLocation	Iselin, New Jersey
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CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	59059000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9469000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6370000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	73831000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	52689000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	73831000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	52689000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	6684000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-8196000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-1579000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	5655000	usd
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-11000	usd
CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-597000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	4869000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4509000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2317000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	78340000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	55006000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	208743000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	52689000	usd
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	usd
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	-0	usd
CY2022	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	349000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-8196000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	5655000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-11000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2382000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	4869000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	262346000	usd
CY2023	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	105000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	6684000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1579000	usd
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3486000	usd
CY2023	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-597000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	340558000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	73831000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	52689000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	13312000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	14863000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	3486000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	2382000	usd
CY2023	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	33000	usd
CY2022	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	34000	usd
CY2023	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-3872000	usd
CY2022	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-4594000	usd
CY2023	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1356000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	278000	usd
CY2023	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	2117000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	1596000	usd
CY2023	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	980000	usd
CY2022	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	-0	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	1037000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1195000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-22500000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	20702000	usd
CY2023	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-5451000	usd
CY2022	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-10031000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-33613000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	36592000	usd
CY2023	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	217000	usd
CY2022	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	1210000	usd
CY2023	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-2971000	usd
CY2022	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-7000000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-22745000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1522000	usd
CY2023	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	5356000	usd
CY2022	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	10933000	usd
CY2023	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	-1228000	usd
CY2022	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	6784000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-16388000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-4162000	usd
CY2023	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-4976000	usd
CY2022	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	1958000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	108349000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	40257000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12126000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8832000	usd
CY2023	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	59992000	usd
CY2022	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	-0	usd
CY2023	us-gaap	Proceeds From Sale Of Held To Maturity Securities ProceedsFromSaleOfHeldToMaturitySecurities	19918000	usd
CY2022	us-gaap	Proceeds From Sale Of Held To Maturity Securities ProceedsFromSaleOfHeldToMaturitySecurities	0	usd
CY2023	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	10282000	usd
CY2022	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	-0	usd
CY2023	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	2152000	usd
CY2022	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	-0	usd
CY2023	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	6036000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1833000	usd
CY2023	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	5063000	usd
CY2022	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-53535000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-6999000	usd
CY2023	us-gaap	Payments Of Dividends PaymentsOfDividends	3492000	usd
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	3413000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	105000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	349000	usd
CY2023	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	5000000	usd
CY2022	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	usd
CY2023	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	40000000	usd
CY2022	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	17500000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-38597000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-21262000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2888000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-3486000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	19105000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	8510000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	70266000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	61756000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	89371000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	70266000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	25056000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	14618000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	4729000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	3371000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5999000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	8052000	usd
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"><span style="text-decoration: underline; ">Estimates and Uncertainties</span> - The preparation of the consolidated financial statements in conformity with accounting principles generally accepted in the United States of America ("U.S. GAAP") requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. On an on-going basis, we evaluate our estimates, including but <em style="font: inherit;">not</em> limited to those related to product returns, provisions for bad debt, inventories, goodwill, intangible assets, investments, Supplemental Executive Retirement Plan ("SERP") expense, income taxes, contingencies and litigation. We base our estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are <em style="font: inherit;">not</em> readily apparent from other sources. Actual results <em style="font: inherit;"> may </em>differ from these estimates under different assumptions or conditions.</p> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt;"> </p>
CY2023	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1400000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	300000	usd
CY2023	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font-family:'Times New Roman', Times, serif;font-size:10pt;margin:0pt;text-align:justify;"><span style="text-decoration: underline; ">Concentration of Credit Risk</span> - Financial instruments which potentially subject us to concentrations of credit risk consist principally of accounts receivable and temporary cash investments. We grant credit to customers that are primarily original equipment manufacturers, subcontractors of original equipment manufacturers and distributors based on an evalu<span style="background-color:#ffffff;">ation of the customer's financial condition, without requiring collateral. Exposure to losses on receivables is principally dependent on each customer's financial condition. We control our exposure to credit risk through credit approvals, credit limits and monitoring procedures and establish allowances for anticipated losses. See Note <em style="font: inherit;">14,</em> </span><i><span style="background-color:#ffffff;">"Segments,</span></i><span style="background-color:#ffffff;">"</span> for disclosures regarding significant customers.</p> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt;"> </p>
CY2023	belfa	Intangible Assets Percent Of Total Assets IntangibleAssetsPercentOfTotalAssets	0.086	pure
CY2022	belfa	Intangible Assets Percent Of Total Assets IntangibleAssetsPercentOfTotalAssets	0.097	pure
CY2023Q4	belfa	Excessive Dividend Rate Of Class B Over Class A ExcessiveDividendRateOfClassBOverClassA	0.05	pure
CY2023Q4	belfa	Excessive Undistributed Earnings Allocation Rate Of Class B Over Class A ExcessiveUndistributedEarningsAllocationRateOfClassBOverClassA	0.05	pure
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0
CY2023	us-gaap	Net Income Loss NetIncomeLoss	73831000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	52689000	usd
CY2023	us-gaap	Undistributed Earnings UndistributedEarnings	70322000	usd
CY2022	us-gaap	Undistributed Earnings UndistributedEarnings	49253000	usd
CY2023	us-gaap	Undistributed Earnings UndistributedEarnings	70322000	usd
CY2022	us-gaap	Undistributed Earnings UndistributedEarnings	49253000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	73831000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	52689000	usd
CY2023Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	2400000	usd
CY2023	belfa	Contract With Customer Liability Advance Payments Received ContractWithCustomerLiabilityAdvancePaymentsReceived	4121000	usd
CY2023	belfa	Contract With Customer Liability Revenue Recognized During Period ContractWithCustomerLiabilityRevenueRecognizedDuringPeriod	9930000	usd
CY2023	belfa	Contract With Customer Liability Currency Translation Adjustment ContractWithCustomerLiabilityCurrencyTranslationAdjustment	8000	usd
CY2023Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	3046000	usd
CY2023Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	4400000	usd
CY2023	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	22500000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	20200000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	639813000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	639813000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	654233000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	654233000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	12793000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	18244000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	3046000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	8847000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	8847000	usd
CY2023Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1900000	usd
CY2023Q1	us-gaap	Goodwill Gross GoodwillGross	25099000	usd
CY2023Q1	us-gaap	Goodwill Goodwill	25099000	usd
CY2023	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	1543000	usd
CY2023Q4	us-gaap	Goodwill Gross GoodwillGross	26642000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	26642000	usd
CY2019Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	137500000	usd
CY2023Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	93035000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	43644000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	49391000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	115185000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	61074000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	54111000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4700000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	4563000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4551000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4551000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	4551000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	4551000	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	4446000	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	5898000	usd
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	5000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	0	usd
CY2023Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	60000000	usd
CY2022Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	95000000	usd
CY2023Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	60000000	usd
CY2022Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	95000000	usd
CY2023Q4	us-gaap	Cash Surrender Value Fair Value Disclosure CashSurrenderValueFairValueDisclosure	15100000	usd
CY2022Q4	us-gaap	Cash Surrender Value Fair Value Disclosure CashSurrenderValueFairValueDisclosure	13900000	usd
CY2023	belfa	Increase Decrease In Cash Surrender Value IncreaseDecreaseInCashSurrenderValue	1300000	usd
CY2022	belfa	Increase Decrease In Cash Surrender Value IncreaseDecreaseInCashSurrenderValue	-2200000	usd
CY2023Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	63647000	usd
CY2022Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	74572000	usd
CY2023Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	42038000	usd
CY2022Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	44397000	usd
CY2023Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	30855000	usd
CY2022Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	53496000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	136540000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	172465000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	115728000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	145224000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	79195000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	108391000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	36533000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	36833000	usd
CY2023	us-gaap	Depreciation Depreciation	8600000	usd
CY2022	us-gaap	Depreciation Depreciation	8900000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	19800000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	24800000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	3500000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	24798000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	28434000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	973000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	1284000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	249000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Foreign Currency Translation UnrecognizedTaxBenefitsDecreasesResultingFromForeignCurrencyTranslation	1121000	usd
CY2023	belfa	Unrecognized Tax Benefits Decrease Resulting From Settlements With Taxing Authorities And From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsDecreaseResultingFromSettlementsWithTaxingAuthoritiesAndFromLapseOfApplicableStatuteOfLimitations	5699000	usd
CY2022	belfa	Unrecognized Tax Benefits Decrease Resulting From Settlements With Taxing Authorities And From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsDecreaseResultingFromSettlementsWithTaxingAuthoritiesAndFromLapseOfApplicableStatuteOfLimitations	3799000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	19823000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	24798000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	400000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	600000	usd
CY2023	belfa	Income Tax Expense Benefit On Reversal Of Interest And Penalties IncomeTaxExpenseBenefitOnReversalOfInterestAndPenalties	2300000	usd
CY2022	belfa	Income Tax Expense Benefit On Reversal Of Interest And Penalties IncomeTaxExpenseBenefitOnReversalOfInterestAndPenalties	1600000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	2000000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	4000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	51500000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	14200000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	31700000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	44800000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	11403000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	9175000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	975000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	787000	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	963000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1002000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	13341000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	10964000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3128000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4064000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-139000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-255000	usd
CY2023	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-605000	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-275000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-3872000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-4594000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9469000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6370000	usd
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	17493000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	12402000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2023	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-1697000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.02	pure
CY2022	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-1677000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.03	pure
CY2023	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-4726000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.06	pure
CY2022	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-2515000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Contingencies EffectiveIncomeTaxRateReconciliationTaxContingencies	-0.04	pure
CY2023	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	75000	usd
CY2023	belfa	Effective Income Tax Rate Reconciliation Research And Experimentation Foreign Tax Credit Percent EffectiveIncomeTaxRateReconciliationResearchAndExperimentationForeignTaxCreditPercent	-0	pure
CY2022	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	139000	usd
CY2022	belfa	Effective Income Tax Rate Reconciliation Research And Experimentation Foreign Tax Credit Percent EffectiveIncomeTaxRateReconciliationResearchAndExperimentationForeignTaxCreditPercent	-0	pure
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-433000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.01	pure
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	292000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0	pure
CY2023	belfa	Effective Income Tax Rate Reconciliation Nondeductible Expense Serpcoli And Restricted Stock Income Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseSERPCOLIAndRestrictedStockIncomeAmount	-756000	usd
CY2023	belfa	Effective Income Tax Rate Reconciliation Nondeductible Expense Serpcoli And Restricted Stock Income Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseSERPCOLIAndRestrictedStockIncomePercent	0.01	pure
CY2022	belfa	Effective Income Tax Rate Reconciliation Nondeductible Expense Serpcoli And Restricted Stock Income Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseSERPCOLIAndRestrictedStockIncomeAmount	733000	usd
CY2022	belfa	Effective Income Tax Rate Reconciliation Nondeductible Expense Serpcoli And Restricted Stock Income Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseSERPCOLIAndRestrictedStockIncomePercent	0.01	pure
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-337000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0	pure
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-2726000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.05	pure
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9469000	usd
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.11	pure
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6370000	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.11	pure
CY2023Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	26000000	usd
CY2023Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	600000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	600000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2000000	usd
CY2023	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	200000	usd
CY2023Q4	us-gaap	Deferred Tax Assets State Taxes DeferredTaxAssetsStateTaxes	424000	usd
CY2022Q4	us-gaap	Deferred Tax Assets State Taxes DeferredTaxAssetsStateTaxes	571000	usd
CY2023Q4	belfa	Deferred Tax Assetsincrease Decrease In Unfunded Pension Liability DeferredTaxAssetsincreaseDecreaseInUnfundedPensionLiability	-255000	usd
CY2022Q4	belfa	Deferred Tax Assetsincrease Decrease In Unfunded Pension Liability DeferredTaxAssetsincreaseDecreaseInUnfundedPensionLiability	-416000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	4504000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	4947000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	4303000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	4316000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	435000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	437000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	6004000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	2968000	usd
CY2023Q4	belfa	Deferred Tax Assets Lease Accounting DeferredTaxAssetsLeaseAccounting	4605000	usd
CY2022Q4	belfa	Deferred Tax Assets Lease Accounting DeferredTaxAssetsLeaseAccounting	4816000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	5997000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	6486000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	26017000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	24125000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2331000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2227000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	6359000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	6178000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	4659000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	4889000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	562000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	780000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	13911000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	14074000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2009000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4027000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	10097000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	6024000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	60000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	60000000	usd
CY2023Q4	belfa	Longterm Debt Gross Current Maturities LongtermDebtGrossCurrentMaturities	-0	usd
CY2023Q4	belfa	Longterm Debt Gross Noncurrent LongtermDebtGrossNoncurrent	60000000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	33566000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	27422000	usd
CY2023Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	3046000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	8847000	usd
CY2023Q4	us-gaap	Restructuring Reserve RestructuringReserve	5498000	usd
CY2022Q4	us-gaap	Restructuring Reserve RestructuringReserve	6796000	usd
CY2023Q4	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	2347000	usd
CY2022Q4	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	2521000	usd
CY2023Q4	belfa	Accrued Subcontracting Labor AccruedSubcontractingLabor	1622000	usd
CY2022Q4	belfa	Accrued Subcontracting Labor AccruedSubcontractingLabor	1875000	usd
CY2023Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	1542000	usd
CY2022Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	1287000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	7036000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2125000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	54657000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	50873000	usd
CY2022Q4	us-gaap	Restructuring Reserve RestructuringReserve	6796000	usd
CY2023	us-gaap	Restructuring Charges RestructuringCharges	10114000	usd
CY2023	belfa	Restructuring Cash Payments And Other Settlements RestructuringCashPaymentsAndOtherSettlements	11412000	usd
CY2023Q4	us-gaap	Restructuring Reserve RestructuringReserve	5498000	usd
CY2023	us-gaap	Restructuring Charges RestructuringCharges	10100000	usd
CY2023Q4	us-gaap	Restructuring Reserve RestructuringReserve	5500000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	1731000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-575000	usd
CY2023	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	150000	usd
CY2022	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	58000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	639813000	usd
CY2023	us-gaap	Gross Profit GrossProfit	215849000	usd
CY2023	belfa	Percentage Of Gross Profit PercentageOfGrossProfit	0.337	pure
CY2023Q4	us-gaap	Assets Assets	571631000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12126000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	13312000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	654233000	usd
CY2022	us-gaap	Gross Profit GrossProfit	183453000	usd
CY2022	belfa	Percentage Of Gross Profit PercentageOfGrossProfit	0.28	pure
CY2022Q4	us-gaap	Assets Assets	560466000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8832000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	14863000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	639813000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	654233000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	639813000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	654233000	usd
CY2023Q4	us-gaap	Noncurrent Assets NoncurrentAssets	69652000	usd
CY2022Q4	us-gaap	Noncurrent Assets NoncurrentAssets	71016000	usd
CY2023	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	828000	usd
CY2022	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-5938000	usd
CY2023	us-gaap	Dividends Common Stock DividendsCommonStock	3500000	usd
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	3400000	usd
CY2023	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	491000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	448000	usd
CY2023	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	121000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	137000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	8127000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	8426000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	207000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	201000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	397000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	410000	usd
CY2023	us-gaap	Lease Cost LeaseCost	9343000	usd
CY2022	us-gaap	Lease Cost LeaseCost	9622000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	8090000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	8970000	usd
CY2023	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	121000	usd
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	137000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	527000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	423000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5999000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	8052000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	1912000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	199000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	207000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	20481000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21551000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6350000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	5870000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	14212000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	15742000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	20562000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	21612000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y3M18D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y1M6D
CY2023Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P4Y3M18D
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P4Y10M24D
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.06	pure
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.06	pure
CY2023Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.06	pure
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.061	pure
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	6658000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due In Next Rolling Twelve Months FinanceLeaseLiabilityPaymentsDueInNextRollingTwelveMonths	705000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Two LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo	5954000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due In Rolling Year Two FinanceLeaseLiabilityPaymentsDueInRollingYearTwo	439000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Three LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree	4381000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due In Rolling Year Three FinanceLeaseLiabilityPaymentsDueInRollingYearThree	411000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Four LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour	2342000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due In Rolling Year Four FinanceLeaseLiabilityPaymentsDueInRollingYearFour	324000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFive	1240000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due In Rolling Year Five FinanceLeaseLiabilityPaymentsDueInRollingYearFive	263000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Rolling Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterRollingYearFive	1976000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due In Rolling After Year Five FinanceLeaseLiabilityPaymentsDueInRollingAfterYearFive	4000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	22551000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	2146000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1989000	usd
CY2023Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	234000	usd
CY2023Q4	us-gaap	Purchase Commitment Remaining Minimum Amount Committed PurchaseCommitmentRemainingMinimumAmountCommitted	57700000	usd
CY2022Q4	us-gaap	Purchase Commitment Remaining Minimum Amount Committed PurchaseCommitmentRemainingMinimumAmountCommitted	113400000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-16423000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-23107000	usd
CY2023Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	3960000	usd
CY2022Q4	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	5539000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	19000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	18000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-407000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-1004000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-12037000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-16546000	usd

Files In Submission

Name	View Source	Status
0001437749-24-007265-index-headers.html	Edgar Link	pending
0001437749-24-007265-index.html	Edgar Link	pending
0001437749-24-007265.txt	Edgar Link	pending
0001437749-24-007265-xbrl.zip	Edgar Link	pending
belfa-20231231.xsd	Edgar Link	pending
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belfb20231231_10k_htm.xml	Edgar Link	completed
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report.css	Edgar Link	pending
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belfa-20231231_cal.xml	Edgar Link	unprocessable

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$BELFA
BEL FUSE INC /NJ Stock $belfa

2023 Q4 Form 10-K Financial Statement

#000143774924007265 Filed on March 11, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BELFA BEL FUSE INC /NJ Stock $belfa

2023 Q4 Form 10-K Financial Statement

#000143774924007265 Filed on March 11, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BELFA
BEL FUSE INC /NJ Stock $belfa