Document And Entity Information Note To Financial Statement Details Textual statementsignificantaccountingpoliciespolicies statementnote2compositionofcertainfinancialstatementcaptionstables statementnote3retirementandotherbenefitplanstables Segment Reporting [Abstract] statementnote4incometaxestables statementnote6commitmentsandcontingenciestables statementnote7segmentinformationtables statementnote2compositionofcertainfinancialstatementcaptionscompositionofcertainfinancialstatementcaptionsdetails statementnote3retirementandotherbenefitplansnetpensioncostdetails statementnote3retirementandotherbenefitplansnetpensioncostsandbenefitobligationsdeterminedusingassumptionsdetails statementnote3retirementandotherbenefitplansbenefitobligationplanassetsandfundedstatusofplansdetails statementnote3retirementandotherbenefitplansactualandtargetallocationforplanassetsdetails statementnote3retirementandotherbenefitplansfairvalueofpensionplanassetsdetails statementnote3retirementandotherbenefitplansexpectedpaymentsforpensionbenefitsdetails statementnote3retirementandotherbenefitplansexpectedpaymentsforexecutivepostretirementbenefitsdetails statementnote3retirementandotherbenefitplansweightedaverageassumptionsdetails statementnote3retirementandotherbenefitplansnetperiodicpostretirementhealthcarecostdetails statementnote3retirementandotherbenefitplansestimatedeffectofa1decreaseinhealthcarecosttrendratedetails statementnote3retirementandotherbenefitplansestimatedeffectofa1increaseinhealthcarecosttrendratedetails statementnote3retirementandotherbenefitplansexpectedpaymentsforpostretirementbenefitsdetails statementnote3retirementandotherbenefitplanshealthcareobligationandfundedstatusofplandetails statementnote4incometaxestaxprovisiondiffersfromapplyingstatutoryfederalincometaxratedetails statementnote4incometaxesprovisionfortaxesonincomedetails statementnote4incometaxesreconciliationofunrecognizedtaxbenefitsdetails Schedule of Segment Reporting Information, by Segment [Table Text Block] statementnote4incometaxesdeferredincometaxesresultsfromdifferencesinthebasesofassetsandliabilitiesdetails statementnote7segmentinformationsegmentreportingdetails statementnote6commitmentsandcontingenciesfutureminimumleasepaymentsfortransportationleasesdetails Notes To Financial Statements [Abstract] Notes To Financial Statements us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit State Unrecognized amounts recorded in other comprehensive income State us-gaap_SharesIssued Balance (in shares) Balance (in shares) us-gaap_CashSurrenderValueOfLifeInsurance Cash Surrender Value of Life Insurance Statement of Cash Flows [Abstract] us-gaap_CurrentIncomeTaxExpenseBenefit Deferred: Federal us-gaap_DeferredFederalIncomeTaxExpenseBenefit Federal Proceeds from sale of property, plant and equipment Statement of Stockholders' Equity [Abstract] Statement of Financial Position [Abstract] Accounts receivable, allowance for promotional allowances A provision (charged as a reduction of revenue) to relate the costs of certain customer discounts and rewards for the associated revenue. Accruals for trade and sales promotions are recorded primarily at the time a product is sold to the customer based on expected levels of performance. Settlement of these liabilitites typically occur in subsequent periods. us-gaap_OtherComprehensiveIncomeOtherNetOfTax Change in other comprehensive (loss) income, net of tax Wal-Mart [Member] Represents the major customer, WalMart. Dollar General [Member] Represents the major customer, Dollar General. us-gaap_DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfDomesticSubsidiaries Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Domestic Subsidiaries Other postretirement benefit plans: Other postretirement benefit plans [abstract] Non-current liabilities (Note 3): Non-current liabilities [abstract Actuarial (loss) gain Pretax change in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan, that has not been recognized in net periodic benefit cost for other post retirement plans. Current portion of non-current liabilities (Note 3): Current portion of non-current liabilities [abstract brid_OtherComprehensiveIncomeOtherPostRetirementPlansNetPriorServiceCostCreditArisingDuringPeriodBeforetax Prior service cost The pretax cost (credit) of benefit changes attributable to plan participants' prior service that occurred during the period. The cost has not yet been recognized in net periodic benefit cost. brid_OtherComprehensiveIncomeOtherPostRetirementPlansAdjustmentBeforeTaxPortionAttributableToParent Other comprehensive (loss) income from other postretirement benefit plans Amount before tax, after reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans, attributable to parent entity. Customer Concentration Risk [Member] brid_ValuationAllowanceOnTaxesFromItemsOfOtherComprehensiveIncome Valuation allowance on tax benefit from items of other comprehensive income Represents the valuation allowance on taxes from items of other comprehensive income. Teamster pension withdrawal liability Teamster Pension Withdrawal Liability, Non-Current The aggregate carrying amount, as of the balance sheet date, of teamster pension withdrawal liability expected to be paid after one year. Concentration Risk Type [Axis] us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent 2015 Concentration Risk Type [Domain] us-gaap_NumberOfReportableSegments Number of Reportable Segments Refrigerated Products Division [Member] The refrigerated products division is a discontinued operation of the Refrigerated and Snack Foods Products segment. Intersegment sales Amount of revenue generated from intersegment transactions. Basis of Presentation and Significant Accounting Policies [Text Block] Segment Reporting Disclosure [Text Block] us-gaap_LiabilitiesAndStockholdersEquity Total liabilities and shareholders’ equity Accumulated other comprehensive loss Retained earnings Gross margin Gross margin Supplemental disclosure of cash flow information: us-gaap_CashAndCashEquivalentsAtCarryingValue Cash and cash equivalents at beginning of year Cash and cash equivalents at end of year Cash and cash equivalents us-gaap_CashEquivalentsAtCarryingValue Cash Equivalents, at Carrying Value us-gaap_OperatingLeasesFutureMinimumPaymentsDue Total Minimum Lease Payments(a) us-gaap_StockRepurchasedAndRetiredDuringPeriodShares Shares repurchased and retired (in shares) us-gaap_StockRepurchasedAndRetiredDuringPeriodValue Shares repurchased and retired Quarterly Financial Information [Text Block] us-gaap_DividendsCash Cash dividends paid us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Additions to property, plant and equipment Common stock, shares outstanding (in shares) New Accounting Pronouncements, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Preferred stock, shares outstanding (in shares) us-gaap_DefinedBenefitPlanBenefitsPaid Benefits paid Actual return on plan assets us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent Other comprehensive (loss) income, before taxes us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent Other comprehensive (loss) income from defined benefit plans Total plan assets Fair value of plan assets - beginning of year Fair value of plan assets - end of year us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities Non-current liabilities Net amount recognized us-gaap_ComprehensiveIncomeNetOfTax Comprehensive (loss) income us-gaap_InventoryWorkInProcessNetOfReserves Work in process Unrecognized net actuarial gain us-gaap_InventoryFinishedGoodsNetOfReserves Finished goods us-gaap_DefinedBenefitPlanBeforeAdoptionOfSFAS158RecognitionProvisionsNetPriorServiceCostsCreditsNotYetRecognized Unrecognized prior service costs Funded status of the plans us-gaap_InventoryRawMaterialsNetOfReserves Meat, ingredients and supplies Fiscal Period, Policy [Policy Text Block] Net periodic postretirement healthcare (benefit) cost Net pension cost Property, plant and equipment: us-gaap_IncreaseDecreaseInPrepaidExpense Prepaid expenses Accounts Receivable [Member] us-gaap_Land Land us-gaap_MachineryAndEquipmentGross Machinery and equipment us-gaap_BuildingsAndImprovementsGross Buildings and improvements us-gaap_ConstructionInProgressGross Construction in process us-gaap_CapitalLeasedAssetsGross Capital leased trucks Change in accumulated postretirement healthcare obligation: SG&A Provision (recovery) for losses on accounts receivable us-gaap_PropertyPlantAndEquipmentGross Property, plant and equipment, accumulated depreciation Accumulated depreciation and amortization Property, plant and equipment, net of accumulated depreciation and amortization of $58,450 and $57,352, respectively Actuarial loss (gain) us-gaap_ConcentrationRiskPercentage1 Concentration Risk, Percentage us-gaap_DefinedBenefitPlanBenefitObligation Healthcare obligation - beginning of year Healthcare obligation – end of year us-gaap_DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent Incentive compensation Asset Class [Domain] Asset Class [Axis] us-gaap_OfficersCompensation Officers' Compensation Sales Sales Revenue, Net [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Pension and Other Postretirement Benefits Disclosure [Text Block] Compensation and Retirement Disclosure [Abstract] us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash (used in) provided by operating activities Cash used in investing activities: Plan Asset Categories [Domain] Defined Benefit Plan, Asset Categories [Axis] us-gaap_PolicyTextBlockAbstract Accounting Policies us-gaap_IncreaseDecreaseInAccountsPayable Accounts payable Debt Disclosure [Abstract] Debt Disclosure [Text Block] us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent Postretirement healthcare us-gaap_IncreaseDecreaseInOtherAccruedLiabilities Current portion of non-current liabilities us-gaap_IncreaseDecreaseInAccruedLiabilities Accrued payroll, advertising and other expenses us-gaap_OtherPostretirementBenefitsPayableCurrentAndNoncurrent Other Postretirement Benefits Payable us-gaap_DeferredTaxAssetsValuationAllowanceNoncurrent Deferred income taxes, valuation allowance Valuation allowance us-gaap_DeferredTaxAssetsNetCurrent Current tax assets, net us-gaap_DeferredTaxAssetsNetNoncurrent Non-current tax assets, net Other Government Corporate Bonds [Member] Represents other government corporate bonds. Net income Net (loss) income Net Income (Loss) Attributable to Parent Fixed Income [Member] Represents fixed income securities. Fair Value of Pension Plan Assets [Table Text Block] Tabular presentation of the fair value of pension plan assets and the level under which fair values were determined. us-gaap_DeferredTaxAssetsOther Other Net Periodic Post-retirement Healthcare Cost [Table Text Block] Represents net periodic post-retirement healthcare cost. Deferred income taxes, valuation allowance Valuation allowance Executive Post-retirement Benefits [Member] Represents executive post-retirement benefits. Change in benefit obligations: Represents the change in benefit obligation of a defined benefit plan. us-gaap_IncreaseDecreaseInOtherNoncurrentAssets Other non-current assets Tax valuation allowance us-gaap_DefinedBenefitPensionPlanLiabilitiesCurrent Defined benefit retirement plan Large Cap Equities [Member] Represents large cap equities. Mid Cap Equities [Member] Represents mid-cap equities. SmallCapEquitiesMember Represents small cap equities. us-gaap_IncreaseDecreaseInInventories Inventories International Including Non US Fixed Income [Member] Represents international including non US fixed income equities. us-gaap_AccruedAdvertisingCurrent Accrued advertising and broker commissions Change in Plan Assets [Member] Represents the change in plan assets. us-gaap_OtherAccruedLiabilitiesCurrent Other Change in Benefit Obligations [Member] Represents the change in benefit obligations. Insurance Premiums Revenue Recognition, Policy [Policy Text Block] Change in plan assets: Represents the change in plan assets of a defined benefit plan. us-gaap_EmployeeRelatedLiabilitiesCurrent Payroll, vacation, payroll taxes and employee benefits Current: brid_CapitalAndOperatingLeasesFutureMinimumPaymentsDue Total Minimum Lease Payments(a) Amount of required minimum rental payments for capital leases and operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. brid_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInFourYears 2018 Amount of required minimum rental payments maturing in the fourth fiscal year following the latest fiscal year for capital leases and operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent Property taxes us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment Depreciation Foreign Currency Transactions and Translations Policy [Policy Text Block] brid_CapitalLeaseTerm Capital Lease Term Represents the capital lease term. us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent Postretirement healthcare Lease, Policy [Policy Text Block] Incentive Compensation Noncurrent Asset [Member] Represents incentive compensation, noncurrent asset class. State Taxes Noncurrent Asset [Member] Represents state taxes, noncurrent asset class. Segment Reporting, Policy [Policy Text Block] brid_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInThreeYears 2017 Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for capital leases and operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Subsequent Events, Policy [Policy Text Block] brid_CapitalAndOperatingLeasesFutureMinimumPaymentsDueInTwoYears 2016 "Amount of minimum lease payments maturing in the second fiscal year following the latest fiscal year for capital leases and operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. " Fair Value Measurement, Policy [Policy Text Block] us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves Inventory packaging reserve brid_CapitalAndOperatingLeasesFutureMinimumPaymentsDueCurrent 2015 Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for capital leases and operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Accounts payable Accrued payroll, advertising and other expenses Schedule of Future Minimum Lease Payments for Operating and Capital Leases [Table Text Block] Represents the schedule of future minimum lease payments for operating capital leases. Post-retirement Healthcare Benefits [Member] Represents post-retirement healthcare benefits. Incentive Compensation Current Asset [Member] Represents incentive compensation, current asset class. State Taxes Current Asset [Member] Represents state taxes, current asset class. Scenario Criteria [Member] Represents a criteria. us-gaap_DeferredTaxAssetsStateTaxes State taxes us-gaap_DeferredTaxAssetsInventory Inventory overhead capitalization One Percent Increase in Healthcare Cost Trend Rate [Member] Represents a 1% increase in healthcare cost trend rate. One Percent Decrease in Healthcare Cost Trend Rate [Member] Represents a 1% decrease in healthcare cost trend rate. us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits Pension and health care benefits Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] us-gaap_IncreaseDecreaseInIncomeTaxesReceivable Refundable income taxes Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] us-gaap_DeferredTaxAssetsOperatingLossCarryforwards Net operating loss carry-forward and credits Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances Returns allowance Refundable income taxes us-gaap_PrepaidExpenseAndOtherAssets Prepaid expenses us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts Receivables allowance Pension Plan [Member] Comprehensive Income, Policy [Policy Text Block] us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits Employee benefits Postretirement Health Coverage [Member] us-gaap_PromotionalAllowances Promotional Allowances Schedule of Allocation of Plan Assets [Table Text Block] Frozen Food Products [Member] Represents frozen food products business segment. us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses Incentive compensation Refrigerated and Snack Food Products [Member] Represents refrigerated and snack food products business segment. Income Tax, Policy [Policy Text Block] Other non-current assets: us-gaap_OtherAssetsMiscellaneousNoncurrent Other Schedule of Assumptions Used [Table Text Block] Schedule of Changes in Projected Benefit Obligations [Table Text Block] Advertising Costs, Policy [Policy Text Block] Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block] Net sales Schedule of Expected Benefit Payments [Table Text Block] Schedule of Health Care Cost Trend Rates [Table Text Block] Schedule of Net Benefit Costs [Table Text Block] Schedule of Net Funded Status [Table Text Block] Accrued payroll, advertising and other expenses: Current liabilities: us-gaap_IncreaseDecreaseInAccountsReceivable Accounts receivable Total assets Total assets us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements Deferred income taxes, net Amendment Flag us-gaap_DefinedBenefitPlanFutureAmortizationOfGainLoss Amortization of unrecognized loss Class of Stock [Axis] Document Fiscal Year Focus Document Fiscal Period Focus Service cost us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent Defined benefit retirement plan Cash [Member] Document Period End Date Current Fiscal Year End Date Interest cost us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets Expected return on plan assets Amortization of unrecognized prior service costs us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses Amortization of actuarial gain Concentration Risk, Credit Risk, Policy [Policy Text Block] us-gaap_AssetsCurrent Total current assets Entity Current Reporting Status Entity Voluntary Filers Discount rate us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Entity Public Float Entity Filer Category (Benefit) provision for income taxes Document Type Expected return on plan assets us-gaap_CapitalLeaseObligationsNoncurrent Capital lease obligation Capital Lease Obligations, Noncurrent Changes in operating assets and liabilities: Deferred income taxes, less valuation allowance of $2,113 and $2,276, respectively Entity Well-known Seasoned Issuer Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Current portion of non-current liabilities us-gaap_OtherAssetsNoncurrent Other non-current assets Target Asset Allocation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Actual Asset Allocation Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] 2019 us-gaap_LiabilitiesCurrent Total current liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] 2018 Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities: 2014 2016 2015 Fair Value, Inputs, Level 1 [Member] Fair Value Hierarchy [Domain] Fair Value, Hierarchy [Axis] Employer contributions Defined Benefit Plan, Contributions by Employer 2020-2024 us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year Inventory, Policy [Policy Text Block] Year ultimate trend rate is achieved us-gaap_CapitalLeaseObligationsCurrent Capital Lease Obligations, Current Ultimate trend rate us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents Interest cost plus service cost Building and Building Improvements [Member] us-gaap_DeferredCompensationCashBasedArrangementsLiabilityCurrent Incentive compensation Medical trend rate next year Deferred income taxes, less valuation allowance of $8,486 and $5,671, respectively Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation Accumulated postretirement healthcare obligation Interest cost plus service cost Property, Plant and Equipment, Policy [Policy Text Block] Accumulated postretirement healthcare obligation Depreciation Transportation equipment Represents transportation equipment. us-gaap_DefinedContributionPlanCostRecognized Defined Contribution Plan, Cost Recognized us-gaap_PropertyPlantAndEquipmentUsefulLife Property, Plant and Equipment, Useful Life brid_PercentAddedToSeasonedBondRate Percent Added To Seasoned Bond Rate Represents the percent added to seasoned bond rate brid_DeferredIncentiveCompensationPlanPaymentPeriod Deferred Incentive Compensation Plan Payment Period Represents the deferred incentive compensation plan payment period Plan Type, 401K [Member] Represents the 401K plan. Additions to PP&E Cash flows from operating activities: Basic (loss) earnings per share (in dollars per share) us-gaap_LeaseAndRentalExpense Operating Leases, Rent Expense us-gaap_PaymentsOfDividends Cash dividends paid Shares used to compute basic earnings per common share (in shares) Accumulated Other Comprehensive Income (Loss) [Member] Statement [Line Items] us-gaap_PaymentsForRepurchaseOfCommonStock Shares repurchased Current assets: Consolidation Items [Domain] Consolidation Items [Axis] Intersegment Eliminations [Member] Cash paid for income taxes us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease Net decrease in cash and cash equivalents us-gaap_GainLossOnSaleOfPropertyPlantEquipment Gain on sale of property, plant and equipment Condensed Balance Sheet [Table Text Block] Revenue Recognition, Policy [Policy Text Block] us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash used in financing activities Retained Earnings [Member] Entity Registrant Name Entity Central Index Key Inventories: us-gaap_ImpairmentOfLongLivedAssetsHeldForUse Asset impairment Entity Common Stock, Shares Outstanding (in shares) Equity Components [Axis] us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity Line of Credit Facility, Maximum Borrowing Capacity Accounts receivable, allowance for doubtful accounts Common Stock [Member] Accounts receivable, less allowance for doubtful accounts of $144 and $119, respectively and promotional allowances of $5,810 and $3,156, respectively Equity Component [Domain] Additional Paid-in Capital [Member] Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Axis] Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Non-current liabilities Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain] us-gaap_UnrecognizedTaxBenefits Balance at beginning of year Balance at end of year us-gaap_AdvertisingExpense Advertising Expense us-gaap_OpenTaxYear Open Tax Year Inventories, reserves Inventories, less reserves of $601 and $558, respectively State and Local Jurisdiction [Member] Income Tax Authority [Domain] Income Tax Authority [Axis] Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Domain] Domestic Tax Authority [Member] Additions for tax positions of prior years Machinery and Equipment [Member] Income Tax Disclosure [Abstract] us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions Reductions for tax positions of prior years Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Domain] Tax Period [Domain] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Defined benefit pension plans: Tax Period [Axis] Earliest Tax Year [Member] Transportation Equipment [Member] Postretirement healthcare liability us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability Deferred Compensation Arrangement with Individual, Recorded Liability Latest Tax Year [Member] us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities Executive retirement plans us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent Executive retirement plans us-gaap_OperatingLossCarryforwards Operating Loss Carryforwards Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Credit Facility [Domain] Net change in defined benefit plans and other benefit plans Line of Credit [Member] us-gaap_RepaymentsOfLongTermCapitalLeaseObligations Payment of capital lease obligations Present value of future minimum lease payments(c) us-gaap_OperatingLeasesRentExpenseContingentRentals Operating Leases, Rent Expense, Contingent Rentals Statement of Comprehensive Income [Abstract] us-gaap_CapitalLeasesIncomeStatementAmortizationExpense Capital Leases, Income Statement, Amortization Expense Minimum [Member] Total Minimum Lease Payments(a) Maximum [Member] Range [Domain] us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears 2016 us-gaap_TableTextBlock Notes Tables us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent 2015 Range [Axis] Customer [Domain] us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears 2018 Prior service cost Customer [Axis] us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears 2017 us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax Actuarial (loss) gain unrecognized us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance Change in valuation allowance us-gaap_LineOfCredit Long-term Line of Credit Tax (provision) benefit on other comprehensive loss us-gaap_IncomeTaxReconciliationOtherAdjustments Other, net us-gaap_CapitalLeasesFutureMinimumPaymentsExecutoryCosts Less: Amount representing executory costs us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments Less: Amount representing interest(b) Common stock, shares authorized (in shares) Common stock, shares issued (in shares) Common stock, par value (in dollars per share) Supplemental Balance Sheet Disclosures [Text Block] Common stock, $1.00 par value Authorized, - 20,000 shares; issued and outstanding – 9,113 and 9,134 us-gaap_IncomeTaxReconciliationNondeductibleExpenseLifeInsurance Non-taxable life insurance gain Income Statement [Abstract] us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest (Loss) income before taxes Income before taxes Credit Facility [Axis] us-gaap_IncomeTaxReconciliationTaxCreditsResearch Research & development tax credit Preferred stock, without par value Authorized, - 1,000 shares; issued and outstanding – none Increase in provision (benefit) resulting from state income taxes, net of federal income tax benefit Provision (benefit) for federal income taxes at the applicable statutory rate Preferred stock, shares issued (in shares) Other Segments [Member] Scenario, Forecast [Member] Preferred stock, shares authorized (in shares) Segments [Domain] Cash used in financing activities: Segments [Axis] Statement [Table] us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities Income Tax Disclosure [Text Block] Scenario, Unspecified [Domain] Scenario [Axis] Preferred stock, par value (in dollars per share) us-gaap_StockholdersEquity Balance Balance Total shareholders’ equity Cash and Cash Equivalents, Policy [Policy Text Block] Capital in excess of par value Accounting Policies [Abstract] us-gaap_ShippingHandlingAndTransportationCosts Shipping, Handling and Transportation Costs us-gaap_Liabilities Total liabilities Cost of products sold Cost of products sold Contingencies and commitments (Notes 3, 5 and 6) Shareholders’ equity: