10-Q Filing

COHU INC CIK: 21535 Q3 2020

Filing Information

Form Type	10-Q
Accession Number	`0001437749-20-022546`
Period End Date	20200930
Filing Date	20201104
Fiscal Year	2020
Fiscal Period	Q3
XBRL Instance	cohu20200926_10q_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 97 Income Statement 132 Cash Flow Statement 110 Stockholders Equity 54 Comprehensive Income 44

Balance Sheet 97 line items

Line Item	Tag	Value	Unit	Period
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Preferred stock, par value (in dollars per share)	`PreferredStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	1.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$169.93M	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	1.00M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$155.19M	USD	Point-in-time
Short-term investments	`AvailableForSaleSecuritiesCurrent`	$949.00K	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Short-term investments	`AvailableForSaleSecuritiesCurrent`	$904.00K	USD	Point-in-time
Accounts receivable, net	`AccountsAndOtherReceivablesNetCurrent`	$127.92M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Accounts receivable, net	`AccountsAndOtherReceivablesNetCurrent`	$116.81M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Inventories	`InventoryNet`	$137.88M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Inventories	`InventoryNet`	$130.71M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	41.40M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	41.96M	shares	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	-	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$827.00K	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	41.40M	shares	Point-in-time
Prepaid expenses	`PrepaidExpenseCurrent`	$17.99M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	41.96M	shares	Point-in-time
Prepaid expenses	`PrepaidExpenseCurrent`	$17.48M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$3.16M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$1.27M	USD	Point-in-time
Current assets of discontinued operations (Note 10)	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Current assets of discontinued operations (Note 10)	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$3.50M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$439.70M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$444.82M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$64.55M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$70.91M	USD	Point-in-time
Goodwill	`Goodwill`	$244.34M	USD	Point-in-time
Goodwill	`Goodwill`	$242.13M	USD	Point-in-time
Goodwill	`Goodwill`	$238.67M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$238.83M	USD	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$275.02M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$23.72M	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$20.03M	USD	Point-in-time
Operating lease right of use assets	`OperatingLeaseRightOfUseAsset`	$30.10M	USD	Point-in-time
Operating lease right of use assets	`OperatingLeaseRightOfUseAsset`	$33.27M	USD	Point-in-time
Noncurrent assets of discontinued operations (Note 10)	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	-	USD	Point-in-time
Noncurrent assets of discontinued operations (Note 10)	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	$115.00K	USD	Point-in-time
Assets, Total	`Assets`	$1.08B	USD	Point-in-time
Assets, Total	`Assets`	$1.05B	USD	Point-in-time
Short-term borrowings	`ShortTermBankLoansAndNotesPayable`	$5.21M	USD	Point-in-time
Short-term borrowings	`ShortTermBankLoansAndNotesPayable`	$3.19M	USD	Point-in-time
Current installments of long-term debt	`LoansPayableToBankCurrent`	$2.99M	USD	Point-in-time
Current installments of long-term debt	`LoansPayableToBankCurrent`	$3.32M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$49.37M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$48.70M	USD	Point-in-time
Customer advances	`ContractWithCustomerLiabilityCurrent`	$11.12M	USD	Point-in-time
Customer advances	`ContractWithCustomerLiabilityCurrent`	$12.16M	USD	Point-in-time
Accrued compensation and benefits	`EmployeeRelatedLiabilitiesCurrent`	$23.74M	USD	Point-in-time
Accrued compensation and benefits	`EmployeeRelatedLiabilitiesCurrent`	$32.52M	USD	Point-in-time
Deferred profit	`DeferredProfit`	$7.64M	USD	Point-in-time
Deferred profit	`DeferredProfit`	$11.86M	USD	Point-in-time
Accrued warranty	`ProductWarrantyAccrualClassifiedCurrent`	$5.89M	USD	Point-in-time
Accrued warranty	`ProductWarrantyAccrualClassifiedCurrent`	$5.67M	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$4.79M	USD	Point-in-time
Income taxes payable	`AccruedIncomeTaxesCurrent`	$3.89M	USD	Point-in-time
Other accrued liabilities	`OtherAccruedLiabilitiesCurrent`	$23.37M	USD	Point-in-time
Other accrued liabilities	`OtherAccruedLiabilitiesCurrent`	$39.74M	USD	Point-in-time
Current liabilities of discontinued operations (Note 10)	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Current liabilities of discontinued operations (Note 10)	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$599.00K	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$146.90M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$148.88M	USD	Point-in-time
Accrued retirement benefits	`PostemploymentBenefitsLiabilityNoncurrent`	$22.91M	USD	Point-in-time
Accrued retirement benefits	`PostemploymentBenefitsLiabilityNoncurrent`	$21.93M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$31.31M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxLiabilitiesNet`	$28.84M	USD	Point-in-time
Noncurrent income tax liabilities	`AccruedIncomeTaxesNoncurrent`	$8.44M	USD	Point-in-time
Noncurrent income tax liabilities	`AccruedIncomeTaxesNoncurrent`	$6.97M	USD	Point-in-time
Long-term debt	`LongTermLoansFromBank`	$331.47M	USD	Point-in-time
Long-term debt	`LongTermLoansFromBank`	$346.52M	USD	Point-in-time
Long-term lease liabilities	`LeaseLiabilityNoncurrent`	$26.53M	USD	Point-in-time
Long-term lease liabilities	`LeaseLiabilityNoncurrent`	$28.88M	USD	Point-in-time
Other accrued liabilities	`OtherAccruedLiabilitiesNoncurrent`	$8.66M	USD	Point-in-time
Other accrued liabilities	`OtherAccruedLiabilitiesNoncurrent`	$8.12M	USD	Point-in-time
Noncurrent liabilities of discontinued operations (Note 10)	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Noncurrent liabilities of discontinued operations (Note 10)	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$24.00K	USD	Point-in-time
Preferred stock, $1 par value; 1,000 shares authorized, none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $1 par value; 1,000 shares authorized, none issued	`PreferredStockValue`	-	USD	Point-in-time
Common stock, $1 par value; 60,000 shares authorized, 41,962 shares issued and outstanding in 2020 and 41,395 shares in 2019	`CommonStockValue`	$41.40M	USD	Point-in-time
Common stock, $1 par value; 60,000 shares authorized, 41,962 shares issued and outstanding in 2020 and 41,395 shares in 2019	`CommonStockValue`	$41.96M	USD	Point-in-time
Paid-in capital	`AdditionalPaidInCapitalCommonStock`	$433.19M	USD	Point-in-time
Paid-in capital	`AdditionalPaidInCapitalCommonStock`	$442.65M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$11.37M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$42.52M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-21.37M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-34.03M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$483.07M	USD	Point-in-time
Total stockholders equity	`StockholdersEquity`	$474.61M	USD	Point-in-time
Liabilities and Equity, Total	`LiabilitiesAndStockholdersEquity`	$1.08B	USD	Point-in-time
Liabilities and Equity, Total	`LiabilitiesAndStockholdersEquity`	$1.05B	USD	Point-in-time

Income Statement 132 line items

Line Item	Tag	Value	Unit	Period
Amortization of cost	`CostDepreciationAmortizationAndDepletion`	$21.97M	USD	3 Qtrs
Net sales	`RevenueFromContractWithCustomerIncludingAssessedTax`	$143.50M	USD	1 Quarter
Amortization of cost	`CostDepreciationAmortizationAndDepletion`	$7.45M	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerIncludingAssessedTax`	$433.65M	USD	3 Qtrs
Net sales	`RevenueFromContractWithCustomerIncludingAssessedTax`	$150.65M	USD	1 Quarter
Amortization of cost	`CostDepreciationAmortizationAndDepletion`	$7.60M	USD	1 Quarter
Net sales	`RevenueFromContractWithCustomerIncludingAssessedTax`	$441.32M	USD	3 Qtrs
Amortization of cost	`CostDepreciationAmortizationAndDepletion`	$22.86M	USD	3 Qtrs
Cost of sales (1)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$265.56M	USD	3 Qtrs
Cost of sales (1)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$84.56M	USD	1 Quarter
Cost of sales (1)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$253.11M	USD	3 Qtrs
Cost of sales (1)	`CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization`	$87.15M	USD	1 Quarter
Research and development	`ResearchAndDevelopmentExpense`	$63.39M	USD	3 Qtrs
Research and development	`ResearchAndDevelopmentExpense`	$20.48M	USD	1 Quarter
Research and development	`ResearchAndDevelopmentExpense`	$20.50M	USD	1 Quarter
Research and development	`ResearchAndDevelopmentExpense`	$65.32M	USD	3 Qtrs
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$33.69M	USD	1 Quarter
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$31.34M	USD	1 Quarter
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$95.66M	USD	3 Qtrs
Selling, general and administrative	`SellingGeneralAndAdministrativeExpense`	$108.40M	USD	3 Qtrs
Amortization of purchased intangible assets	`AmortizationOfIntangibleAssets`	$28.85M	USD	3 Qtrs
Amortization of purchased intangible assets	`AmortizationOfIntangibleAssets`	$9.97M	USD	1 Quarter
Amortization of purchased intangible assets	`AmortizationOfIntangibleAssets`	$9.78M	USD	1 Quarter
Amortization of purchased intangible assets	`AmortizationOfIntangibleAssets`	$29.98M	USD	3 Qtrs
Restructuring charges	`RestructuringCharges`	$412.00K	USD	1 Quarter
Restructuring charges	`RestructuringCharges`	$10.72M	USD	3 Qtrs
Restructuring charges	`RestructuringCharges`	$814.00K	USD	1 Quarter
Restructuring charges	`RestructuringCharges`	$1.40M	USD	3 Qtrs
Impairment charges related to indefinite lived intangibles	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	-	USD	3 Qtrs
Impairment charges related to indefinite lived intangibles	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	$11.25M	USD	3 Qtrs
Impairment charges related to indefinite lived intangibles	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	$7.30M	USD	1 Quarter
Impairment charges related to indefinite lived intangibles	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	-	USD	1 Quarter
Gain on sale of facilities	`GainLossOnSaleOfPropertyPlantEquipment`	$4.47M	USD	1 Quarter
Gain on sale of facilities	`GainLossOnSaleOfPropertyPlantEquipment`	$4.50M	USD	3 Qtrs
Gain on sale of facilities	`GainLossOnSaleOfPropertyPlantEquipment`	-	USD	1 Quarter
Gain on sale of facilities	`GainLossOnSaleOfPropertyPlantEquipment`	-	USD	3 Qtrs
Costs and Expenses, Total	`CostsAndExpenses`	$479.99M	USD	3 Qtrs
Costs and Expenses, Total	`CostsAndExpenses`	$149.52M	USD	1 Quarter
Costs and Expenses, Total	`CostsAndExpenses`	$449.17M	USD	3 Qtrs
Costs and Expenses, Total	`CostsAndExpenses`	$152.01M	USD	1 Quarter
Loss from operations	`OperatingIncomeLoss`	$-6.02M	USD	1 Quarter
Loss from operations	`OperatingIncomeLoss`	$-15.51M	USD	3 Qtrs
Loss from operations	`OperatingIncomeLoss`	$-38.67M	USD	3 Qtrs
Loss from operations	`OperatingIncomeLoss`	$-1.36M	USD	1 Quarter
Interest expense	`InterestExpense`	$3.02M	USD	1 Quarter
Interest expense	`InterestExpense`	$10.90M	USD	3 Qtrs
Interest expense	`InterestExpense`	$15.79M	USD	3 Qtrs
Interest expense	`InterestExpense`	$5.00M	USD	1 Quarter
Interest income	`InvestmentIncomeInterestAndDividend`	$42.00K	USD	1 Quarter
Interest income	`InvestmentIncomeInterestAndDividend`	$210.00K	USD	3 Qtrs
Interest income	`InvestmentIncomeInterestAndDividend`	$603.00K	USD	3 Qtrs
Interest income	`InvestmentIncomeInterestAndDividend`	$190.00K	USD	1 Quarter
Foreign transaction gain (loss)	`ForeignCurrencyTransactionGainLossBeforeTax`	$1.63M	USD	1 Quarter
Foreign transaction gain (loss)	`ForeignCurrencyTransactionGainLossBeforeTax`	$1.30M	USD	3 Qtrs
Foreign transaction gain (loss)	`ForeignCurrencyTransactionGainLossBeforeTax`	$-1.48M	USD	1 Quarter
Foreign transaction gain (loss)	`ForeignCurrencyTransactionGainLossBeforeTax`	$-2.53M	USD	3 Qtrs
Gain on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	3 Qtrs
Gain on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$293.00K	USD	3 Qtrs
Gain on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$293.00K	USD	1 Quarter
Gain on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Loss from continuing operations before taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-52.55M	USD	3 Qtrs
Loss from continuing operations before taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-9.20M	USD	1 Quarter
Loss from continuing operations before taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-5.53M	USD	1 Quarter
Loss from continuing operations before taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-28.44M	USD	3 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$1.28M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$1.12M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$161.00K	USD	3 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$261.00K	USD	3 Qtrs
Loss from continuing operations	`IncomeLossFromContinuingOperations`	$-10.48M	USD	1 Quarter
Loss from continuing operations	`IncomeLossFromContinuingOperations`	$-28.70M	USD	3 Qtrs
Loss from continuing operations	`IncomeLossFromContinuingOperations`	$-52.71M	USD	3 Qtrs
Loss from continuing operations	`IncomeLossFromContinuingOperations`	$-6.65M	USD	1 Quarter
Income from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$154.00K	USD	1 Quarter
Income from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	-	USD	1 Quarter
Income from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$342.00K	USD	3 Qtrs
Income from discontinued operations	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$42.00K	USD	3 Qtrs
Net loss	`ProfitLoss`	$-52.37M	USD	3 Qtrs
Net loss	`ProfitLoss`	$-28.66M	USD	3 Qtrs
Net loss	`ProfitLoss`	$-10.33M	USD	1 Quarter
Net loss	`ProfitLoss`	$-6.65M	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	3 Qtrs
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$142.00K	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$62.00K	USD	3 Qtrs
Net loss attributable to Cohu	`NetIncomeLoss`	$-52.43M	USD	3 Qtrs
Net loss attributable to Cohu	`NetIncomeLoss`	$-6.65M	USD	1 Quarter
Net loss attributable to Cohu	`NetIncomeLoss`	$-10.47M	USD	1 Quarter
Net loss attributable to Cohu	`NetIncomeLoss`	$-28.66M	USD	3 Qtrs
Loss from continuing operations before noncontrolling interest (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.69	USD	3 Qtrs
Loss from continuing operations before noncontrolling interest (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-1.28	USD	3 Qtrs
Loss from continuing operations before noncontrolling interest (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.16	USD	1 Quarter
Loss from continuing operations before noncontrolling interest (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.25	USD	1 Quarter
Income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	3 Qtrs
Income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	3 Qtrs
Income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare`	-	USD	1 Quarter
Net income attributable to noncontrolling interest (in dollars per share)	`NetIncomeLossAttributableToNoncontrollingInterestPerBasicShare`	-	USD	1 Quarter
Net income attributable to noncontrolling interest (in dollars per share)	`NetIncomeLossAttributableToNoncontrollingInterestPerBasicShare`	-	USD	1 Quarter
Net income attributable to noncontrolling interest (in dollars per share)	`NetIncomeLossAttributableToNoncontrollingInterestPerBasicShare`	-	USD	3 Qtrs
Net income attributable to noncontrolling interest (in dollars per share)	`NetIncomeLossAttributableToNoncontrollingInterestPerBasicShare`	-	USD	3 Qtrs
Net loss attributable to Cohu (in dollars per share)	`EarningsPerShareBasic`	$-0.69	USD	3 Qtrs
Net loss attributable to Cohu (in dollars per share)	`EarningsPerShareBasic`	$-0.16	USD	1 Quarter
Net loss attributable to Cohu (in dollars per share)	`EarningsPerShareBasic`	$-1.28	USD	3 Qtrs
Net loss attributable to Cohu (in dollars per share)	`EarningsPerShareBasic`	$-0.25	USD	1 Quarter
Loss from continuing operations before noncontrolling interest (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.69	USD	3 Qtrs
Loss from continuing operations before noncontrolling interest (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.16	USD	1 Quarter
Loss from continuing operations before noncontrolling interest (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.25	USD	1 Quarter
Loss from continuing operations before noncontrolling interest (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-1.28	USD	3 Qtrs
Income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	3 Qtrs
Income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	3 Qtrs
Income from discontinued operations (in dollars per share)	`IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare`	-	USD	1 Quarter
Net income attributable to noncontrolling interest (in dollars per share)	`NetIncomeLossAttributableToNoncontrollingInterestPerDilutedShare`	-	USD	3 Qtrs
Net income attributable to noncontrolling interest (in dollars per share)	`NetIncomeLossAttributableToNoncontrollingInterestPerDilutedShare`	-	USD	1 Quarter
Net income attributable to noncontrolling interest (in dollars per share)	`NetIncomeLossAttributableToNoncontrollingInterestPerDilutedShare`	-	USD	3 Qtrs
Net income attributable to noncontrolling interest (in dollars per share)	`NetIncomeLossAttributableToNoncontrollingInterestPerDilutedShare`	-	USD	1 Quarter
Net loss attributable to Cohu (in dollars per share)	`EarningsPerShareDiluted`	$-0.69	USD	3 Qtrs
Net loss attributable to Cohu (in dollars per share)	`EarningsPerShareDiluted`	$-1.28	USD	3 Qtrs
Net loss attributable to Cohu (in dollars per share)	`EarningsPerShareDiluted`	$-0.25	USD	1 Quarter
Net loss attributable to Cohu (in dollars per share)	`EarningsPerShareDiluted`	$-0.16	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	41.23M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	41.95M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	41.76M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	41.08M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	41.95M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	41.76M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	41.23M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	41.08M	shares	3 Qtrs
Cash dividends declared per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.06	USD	1 Quarter
Cash dividends declared per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	-	USD	1 Quarter
Cash dividends declared per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.06	USD	3 Qtrs
Cash dividends declared per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.18	USD	3 Qtrs

Cash Flow Statement 110 line items

Line Item	Tag	Value	Unit	Period
Net loss attributable to Cohu	`NetIncomeLoss`	$-52.43M	USD	3 Qtrs
Net loss attributable to Cohu	`NetIncomeLoss`	$-6.65M	USD	1 Quarter
Net loss attributable to Cohu	`NetIncomeLoss`	$-10.47M	USD	1 Quarter
Net loss attributable to Cohu	`NetIncomeLoss`	$-28.66M	USD	3 Qtrs
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	3 Qtrs
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$142.00K	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$62.00K	USD	3 Qtrs
Gain on disposal of discontinued operation	`DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax`	-	USD	1 Quarter
Gain on disposal of discontinued operation	`DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax`	-	USD	3 Qtrs
Gain on disposal of discontinued operation	`DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax`	$35.00K	USD	3 Qtrs
Gain on disposal of discontinued operation	`DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax`	-	USD	1 Quarter
Gain on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	3 Qtrs
Gain on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$293.00K	USD	3 Qtrs
Gain on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$293.00K	USD	1 Quarter
Gain on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	1 Quarter
Impairment charges related to indefinite lived intangibles	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	-	USD	3 Qtrs
Impairment charges related to indefinite lived intangibles	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	$11.25M	USD	3 Qtrs
Impairment charges related to indefinite lived intangibles	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	$7.30M	USD	1 Quarter
Impairment charges related to indefinite lived intangibles	`ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill`	-	USD	1 Quarter
Gain from sale of property, plant and equipment	`GainLossOnDispositionOfAssets1`	$4.33M	USD	3 Qtrs
Gain from sale of property, plant and equipment	`GainLossOnDispositionOfAssets1`	$350.00K	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$39.28M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$45.35M	USD	3 Qtrs
Share-based compensation expense	`ShareBasedCompensation`	$10.86M	USD	3 Qtrs
Share-based compensation expense	`ShareBasedCompensation`	$10.31M	USD	3 Qtrs
Amortization of inventory step-up and inventory related charges	`AmortizationOfInventoryStepupAndInventoryRelatedCharges`	$5.94M	USD	3 Qtrs
Amortization of inventory step-up and inventory related charges	`AmortizationOfInventoryStepupAndInventoryRelatedCharges`	$4.28M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-7.70M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-5.19M	USD	3 Qtrs
Increase in accrued retiree medical benefits	`PensionAndOtherPostretirementBenefitExpense`	$281.00K	USD	3 Qtrs
Increase in accrued retiree medical benefits	`PensionAndOtherPostretirementBenefitExpense`	$757.00K	USD	3 Qtrs
Changes in other accrued liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-601.00K	USD	3 Qtrs
Changes in other accrued liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$4.00M	USD	3 Qtrs
Changes in other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$-144.00K	USD	3 Qtrs
Changes in other assets	`IncreaseDecreaseInOtherNoncurrentAssets`	$2.85M	USD	3 Qtrs
Amortization of cloud-based software implementation costs	`CapitalizedComputerSoftwareAmortization1`	$830.00K	USD	3 Qtrs
Amortization of cloud-based software implementation costs	`CapitalizedComputerSoftwareAmortization1`	-	USD	3 Qtrs
Interest capitalized associated with cloud computing implementation	`InterestCapitalizedAssociatedWithCloudComputingImplementation`	$95.00K	USD	3 Qtrs
Interest capitalized associated with cloud computing implementation	`InterestCapitalizedAssociatedWithCloudComputingImplementation`	$68.00K	USD	3 Qtrs
Amortization of debt discounts and issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$826.00K	USD	3 Qtrs
Amortization of debt discounts and issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$892.00K	USD	3 Qtrs
Customer advances	`IncreaseDecreaseInContractWithCustomerLiability`	$1.48M	USD	3 Qtrs
Customer advances	`IncreaseDecreaseInContractWithCustomerLiability`	$-988.00K	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-13.03M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-21.76M	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$660.00K	USD	3 Qtrs
Inventories	`IncreaseDecreaseInInventories`	$11.40M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$-2.24M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInOtherCurrentAssets`	$7.30M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-2.80M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-3.48M	USD	3 Qtrs
Deferred profit	`IncreaseDecreaseInDeferredProfit`	$4.17M	USD	3 Qtrs
Deferred profit	`IncreaseDecreaseInDeferredProfit`	$1.10M	USD	3 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-1.25M	USD	3 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-3.75M	USD	3 Qtrs
Accrued compensation, warranty and other liabilities	`IncreaseDecreaseInAccruedCompensationWarrantyAndOtherLiabilities`	$-10.30M	USD	3 Qtrs
Accrued compensation, warranty and other liabilities	`IncreaseDecreaseInAccruedCompensationWarrantyAndOtherLiabilities`	$-2.63M	USD	3 Qtrs
Operating lease right-of-use assets	`IncreaseDecreaseInOperatingLeaseRightOfUseAssets`	-	USD	3 Qtrs
Operating lease right-of-use assets	`IncreaseDecreaseInOperatingLeaseRightOfUseAssets`	$-5.24M	USD	3 Qtrs
Current and long-term operating lease liabilities	`IncreaseDecreaseInCurrentAndNoncurrentOperatingLeaseLiabilities`	$-5.46M	USD	3 Qtrs
Current and long-term operating lease liabilities	`IncreaseDecreaseInCurrentAndNoncurrentOperatingLeaseLiabilities`	-	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$28.02M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.44M	USD	3 Qtrs
Net cash received from sale of fixtures services business	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$2.98M	USD	3 Qtrs
Net cash received from sale of fixtures services business	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	-	USD	3 Qtrs
Cash received from sale of property, plant and equipment	`ProceedsFromSalesOfAssetsInvestingActivities`	$16.98M	USD	3 Qtrs
Cash received from sale of property, plant and equipment	`ProceedsFromSalesOfAssetsInvestingActivities`	$1.52M	USD	3 Qtrs
Purchases of property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$13.56M	USD	3 Qtrs
Purchases of property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$13.35M	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$6.40M	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-11.83M	USD	3 Qtrs
Cash dividends paid	`PaymentsOfDividendsCommonStock`	$7.36M	USD	3 Qtrs
Cash dividends paid	`PaymentsOfDividendsCommonStock`	$4.97M	USD	3 Qtrs
Repurchases of common stock, net	`PaymentsForRepurchaseOfCommonStock`	$1.21M	USD	3 Qtrs
Repurchases of common stock, net	`PaymentsForRepurchaseOfCommonStock`	$220.00K	USD	3 Qtrs
Proceeds from revolving line of credit and construction loans	`ProceedsFromIssuanceOfLongTermDebt`	$3.72M	USD	3 Qtrs
Proceeds from revolving line of credit and construction loans	`ProceedsFromIssuanceOfLongTermDebt`	$5.88M	USD	3 Qtrs
Repayments of long-term debt	`RepaymentsOfLongTermDebt`	$3.60M	USD	3 Qtrs
Repayments of long-term debt	`RepaymentsOfLongTermDebt`	$20.25M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-8.45M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-19.56M	USD	3 Qtrs
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$-863.00K	USD	3 Qtrs
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$-1.81M	USD	3 Qtrs
Net increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-18.65M	USD	3 Qtrs
Net increase (decrease) in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$14.00M	USD	3 Qtrs
Cash and cash equivalents including discontinued operations at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$169.93M	USD	Point-in-time
Cash and cash equivalents including discontinued operations at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$146.27M	USD	Point-in-time
Cash and cash equivalents including discontinued operations at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$155.93M	USD	Point-in-time
Cash and cash equivalents including discontinued operations at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$164.92M	USD	Point-in-time
Cash and cash equivalents including discontinued operations at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$169.93M	USD	Point-in-time
Cash and cash equivalents including discontinued operations at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$146.27M	USD	Point-in-time
Cash and cash equivalents including discontinued operations at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$155.93M	USD	Point-in-time
Cash and cash equivalents including discontinued operations at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$164.92M	USD	Point-in-time
Cash held by discontinued operations at end of period	`DisposalGroupIncludingDiscontinuedOperationCash`	$1.18M	USD	Point-in-time
Cash held by discontinued operations at end of period	`DisposalGroupIncludingDiscontinuedOperationCash`	-	USD	Point-in-time
Cash and cash equivalents from continuing operations at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$145.09M	USD	Point-in-time
Cash and cash equivalents from continuing operations at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$169.93M	USD	Point-in-time
Cash paid for income taxes	`IncomeTaxesPaidNet`	$13.28M	USD	3 Qtrs
Cash paid for income taxes	`IncomeTaxesPaidNet`	$5.12M	USD	3 Qtrs
Inventory capitalized as property, plant and equipment	`InventoryCapitalizedAsPropertyPlantAndEquipment`	$261.00K	USD	3 Qtrs
Inventory capitalized as property, plant and equipment	`InventoryCapitalizedAsPropertyPlantAndEquipment`	$827.00K	USD	3 Qtrs
Dividends declared but not yet paid	`DividendsPayableCurrentAndNoncurrent`	$2.47M	USD	Point-in-time
Dividends declared but not yet paid	`DividendsPayableCurrentAndNoncurrent`	-	USD	Point-in-time
Property, plant and equipment purchases included in accounts payable	`CapitalExpendituresIncurredButNotYetPaid`	$1.64M	USD	3 Qtrs
Property, plant and equipment purchases included in accounts payable	`CapitalExpendituresIncurredButNotYetPaid`	$853.00K	USD	3 Qtrs
Capitalized cloud computing service costs included in accounts payable	`CapitalizedCloudComputingServiceCostsButNotYetPaid`	$1.92M	USD	3 Qtrs
Capitalized cloud computing service costs included in accounts payable	`CapitalizedCloudComputingServiceCostsButNotYetPaid`	$2.19M	USD	3 Qtrs
Cash paid for interest	`InterestPaidNet`	$13.62M	USD	3 Qtrs
Cash paid for interest	`InterestPaidNet`	$14.82M	USD	3 Qtrs

Stockholders Equity 54 line items

Line Item	Tag	Value	Unit	Period
Cash dividend, per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.06	USD	1 Quarter
Cash dividend, per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	-	USD	1 Quarter
Cash dividend, per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.06	USD	3 Qtrs
Cash dividend, per share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.18	USD	3 Qtrs
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$474.61M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$466.76M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$491.40M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$545.94M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$514.45M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$483.07M	USD	Point-in-time
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$-28.66M	USD	3 Qtrs
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$-10.33M	USD	1 Quarter
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$-52.37M	USD	3 Qtrs
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$-6.65M	USD	1 Quarter
Changes in cumulative translation adjustment	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-14.85M	USD	3 Qtrs
Changes in cumulative translation adjustment	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$12.66M	USD	3 Qtrs
Changes in cumulative translation adjustment	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$11.69M	USD	1 Quarter
Changes in cumulative translation adjustment	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-13.28M	USD	1 Quarter
Changes in cumulative translation adjustment, attributable to parent	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-14.85M	USD	3 Qtrs
Changes in cumulative translation adjustment, attributable to parent	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$12.66M	USD	3 Qtrs
Changes in cumulative translation adjustment, attributable to parent	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-13.28M	USD	1 Quarter
Changes in cumulative translation adjustment, attributable to parent	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$11.69M	USD	1 Quarter
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$208.00K	USD	1 Quarter
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$330.00K	USD	3 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$375.00K	USD	3 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$86.00K	USD	1 Quarter
Shares issued for restricted stock units vested	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	1 Quarter
Shares issued for restricted stock units vested	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	3 Qtrs
Shares issued for restricted stock units vested	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	3 Qtrs
Shares issued for restricted stock units vested	`StockIssuedDuringPeriodValueRestrictedStockAwardGross`	-	USD	1 Quarter
Repurchase and retirement of stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$2.76M	USD	3 Qtrs
Repurchase and retirement of stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$730.00K	USD	1 Quarter
Repurchase and retirement of stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$580.00K	USD	1 Quarter
Repurchase and retirement of stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$2.27M	USD	3 Qtrs
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.30M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$10.86M	USD	3 Qtrs
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.51M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$10.31M	USD	3 Qtrs
Cash dividends	`DividendsCommonStockCash`	$2.47M	USD	1 Quarter
Cash dividends	`DividendsCommonStockCash`	$7.38M	USD	3 Qtrs
Cash dividends	`DividendsCommonStockCash`	$2.49M	USD	3 Qtrs
Shares issued under ESPP	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$1.60M	USD	3 Qtrs
Shares issued under ESPP	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$807.00K	USD	3 Qtrs
Adjustments related to postretirement benefits, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	-	USD	3 Qtrs
Adjustments related to postretirement benefits, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-470.00K	USD	3 Qtrs
Adjustments related to postretirement benefits, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-35.00K	USD	1 Quarter
Adjustments related to postretirement benefits, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	-	USD	1 Quarter
Noncontrolling interest	`MinorityInterestPeriodIncreaseDecrease`	-	USD	3 Qtrs
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$474.61M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$466.76M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$491.40M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$545.94M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$514.45M	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$483.07M	USD	Point-in-time

Comprehensive Income 44 line items

Line Item	Tag	Value	Unit	Period
Net loss	`ProfitLoss`	$-52.37M	USD	3 Qtrs
Net loss	`ProfitLoss`	$-28.66M	USD	3 Qtrs
Net loss	`ProfitLoss`	$-10.33M	USD	1 Quarter
Net loss	`ProfitLoss`	$-6.65M	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	3 Qtrs
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$142.00K	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$62.00K	USD	3 Qtrs
Net loss attributable to Cohu	`NetIncomeLoss`	$-52.43M	USD	3 Qtrs
Net loss attributable to Cohu	`NetIncomeLoss`	$-6.65M	USD	1 Quarter
Net loss attributable to Cohu	`NetIncomeLoss`	$-10.47M	USD	1 Quarter
Net loss attributable to Cohu	`NetIncomeLoss`	$-28.66M	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-14.85M	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$12.66M	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-13.28M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$11.69M	USD	1 Quarter
Adjustments related to postretirement benefits	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	-	USD	3 Qtrs
Adjustments related to postretirement benefits	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-470.00K	USD	3 Qtrs
Adjustments related to postretirement benefits	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-35.00K	USD	1 Quarter
Adjustments related to postretirement benefits	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	-	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$12.66M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$11.69M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-14.38M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-13.24M	USD	1 Quarter
Other comprehensive loss attributable to noncontrolling interest	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Other comprehensive loss attributable to noncontrolling interest	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest`	-	USD	3 Qtrs
Other comprehensive loss attributable to noncontrolling interest	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Other comprehensive loss attributable to noncontrolling interest	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest`	$-4.00K	USD	3 Qtrs
Other comprehensive income (loss) attributable to Cohu	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-14.38M	USD	3 Qtrs
Other comprehensive income (loss) attributable to Cohu	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$12.66M	USD	3 Qtrs
Other comprehensive income (loss) attributable to Cohu	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-13.24M	USD	1 Quarter
Other comprehensive income (loss) attributable to Cohu	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$11.69M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-16.00M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-66.76M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$5.05M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-23.57M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$58.00K	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$142.00K	USD	1 Quarter
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Comprehensive income (loss) attributable to Cohu	`ComprehensiveIncomeNetOfTax`	$5.05M	USD	1 Quarter
Comprehensive income (loss) attributable to Cohu	`ComprehensiveIncomeNetOfTax`	$-66.81M	USD	3 Qtrs
Comprehensive income (loss) attributable to Cohu	`ComprehensiveIncomeNetOfTax`	$-16.00M	USD	3 Qtrs
Comprehensive income (loss) attributable to Cohu	`ComprehensiveIncomeNetOfTax`	$-23.71M	USD	1 Quarter

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.