2.4.0.8 Html 328 524 1 false 112 0 false 12 false false R1.htm 101 - Document - Document and Entity Information Sheet http://www.cecoenviro.com/taxonomy/role/DocumentandEntityInformation Document and Entity Information true false R2.htm 103 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.cecoenviro.com/taxonomy/role/StatementOfFinancialPositionClassified CONSOLIDATED BALANCE SHEETS false false R3.htm 104 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.cecoenviro.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) false false R4.htm 105 - Statement - CONSOLIDATED STATEMENTS OF INCOME Sheet http://www.cecoenviro.com/taxonomy/role/StatementOfIncome CONSOLIDATED STATEMENTS OF INCOME false false R5.htm 106 - Statement - CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) Sheet http://www.cecoenviro.com/taxonomy/role/StatementOfIncomeParenthetical CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) false false R6.htm 107 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Sheet http://www.cecoenviro.com/taxonomy/role/StatementOfPartnersCapital CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME false false R7.htm 108 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY Sheet http://www.cecoenviro.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncome CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY false false R8.htm 109 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) Sheet http://www.cecoenviro.com/taxonomy/role/StatementOfShareholdersEquityAndOtherComprehensiveIncomeParenthetical CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) false false R9.htm 110 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.cecoenviro.com/taxonomy/role/StatementOfCashFlowsIndirect CONSOLIDATED STATEMENTS OF CASH FLOWS false false R10.htm 111 - Disclosure - Nature of Business and Summary of Significant Accounting Policies Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock Nature of Business and Summary of Significant Accounting Policies false false R11.htm 112 - Disclosure - Financial Instruments Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsFinancialInstrumentsDisclosureTextBlock Financial Instruments false false R12.htm 113 - Disclosure - Accounts Receivable Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsLoansNotesTradeAndOtherReceivablesDisclosureTextBlock Accounts Receivable false false R13.htm 114 - Disclosure - Costs and Estimated Earnings on Uncompleted Contracts Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsCostsAndEstimatedEarningsOnUncompletedContractsDisclosureTextBlock Costs and Estimated Earnings on Uncompleted Contracts false false R14.htm 115 - Disclosure - Inventories Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlock Inventories false false R15.htm 116 - Disclosure - Property, Plant and Equipment Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlock Property, Plant and Equipment false false R16.htm 117 - Disclosure - Goodwill and Intangible Assets Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsGoodwillAndIntangibleAssetsDisclosureTextBlock Goodwill and Intangible Assets false false R17.htm 118 - Disclosure - Accounts Payable and Accrued Expenses Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsAccountsPayableAndAccruedLiabilitiesDisclosureTextBlock Accounts Payable and Accrued Expenses false false R18.htm 119 - Disclosure - Senior debt Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsDebtDisclosureTextBlock Senior debt false false R19.htm 120 - Disclosure - Shareholders' Equity Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsStockholdersEquityNoteDisclosureTextBlock Shareholders' Equity false false R20.htm 121 - Disclosure - Pension and Employee Benefit Plans Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsPensionAndOtherPostretirementBenefitsDisclosureTextBlock Pension and Employee Benefit Plans false false R21.htm 122 - Disclosure - Commitments and Contingencies Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsCommitmentsAndContingenciesDisclosureTextBlock Commitments and Contingencies false false R22.htm 123 - Disclosure - Income Taxes Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlock Income Taxes false false R23.htm 124 - Disclosure - Related Party Transactions Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsRelatedPartyTransactionsDisclosureTextBlock Related Party Transactions false false R24.htm 125 - Disclosure - Major Customers and Foreign Sales Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsMajorCustomersAndForeignSalesTextBlock Major Customers and Foreign Sales false false R25.htm 126 - Disclosure - Acquisitions Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsBusinessCombinationDisclosureTextBlock Acquisitions false false R26.htm 127 - Disclosure - Business Segment Information Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlock Business Segment Information false false R27.htm 128 - Disclosure - Subsequent Events Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsSubsequentEventsTextBlock Subsequent Events false false R28.htm 129 - Disclosure - Nature of Business and Summary of Significant Accounting Policies (Policies) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlockPolicies Nature of Business and Summary of Significant Accounting Policies (Policies) false false R29.htm 130 - Disclosure - Nature of Business and Summary of Significant Accounting Policies (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlockTables Nature of Business and Summary of Significant Accounting Policies (Tables) false false R30.htm 131 - Disclosure - Accounts Receivable (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsLoansNotesTradeAndOtherReceivablesDisclosureTextBlockTables Accounts Receivable (Tables) false false R31.htm 132 - Disclosure - Costs and Estimated Earnings on Uncompleted Contracts (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsCostsAndEstimatedEarningsOnUncompletedContractsDisclosureTextBlockTables Costs and Estimated Earnings on Uncompleted Contracts (Tables) false false R32.htm 133 - Disclosure - Inventories (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsInventoryDisclosureTextBlockTables Inventories (Tables) false false R33.htm 134 - Disclosure - Property, Plant and Equipment (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsPropertyPlantAndEquipmentDisclosureTextBlockTables Property, Plant and Equipment (Tables) false false R34.htm 135 - Disclosure - Goodwill and Intangible Assets (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsGoodwillAndIntangibleAssetsDisclosureTextBlockTables Goodwill and Intangible Assets (Tables) false false R35.htm 136 - Disclosure - Accounts Payable and Accrued Expenses (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsAccountsPayableAndAccruedLiabilitiesDisclosureTextBlockTables Accounts Payable and Accrued Expenses (Tables) false false R36.htm 137 - Disclosure - Shareholders' Equity (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsStockholdersEquityNoteDisclosureTextBlockTables Shareholders' Equity (Tables) false false R37.htm 138 - Disclosure - Pension and Employee Benefit Plans (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsPensionAndOtherPostretirementBenefitsDisclosureTextBlockTables Pension and Employee Benefit Plans (Tables) false false R38.htm 139 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsCommitmentsAndContingenciesDisclosureTextBlockTables Commitments and Contingencies (Tables) false false R39.htm 140 - Disclosure - Income Taxes (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlockTables Income Taxes (Tables) false false R40.htm 141 - Disclosure - Acquisitions (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsBusinessCombinationDisclosureTextBlockTables Acquisitions (Tables) false false R41.htm 142 - Disclosure - Business Segment Information (Tables) Sheet http://www.cecoenviro.com/taxonomy/role/NotesToFinancialStatementsSegmentReportingDisclosureTextBlockTables Business Segment Information (Tables) false false R42.htm 143 - Disclosure - Nature of Business and Summary of Significant Accounting Policies - Consolidated Financial Statements Include Accounts of Subsidiaries (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesConsolidatedFinancialStatementsIncludeAccountsOfSubsidiaries Nature of Business and Summary of Significant Accounting Policies - Consolidated Financial Statements Include Accounts of Subsidiaries (Detail) false false R43.htm 144 - Disclosure - Nature of Business and Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformation Nature of Business and Summary of Significant Accounting Policies - Additional Information (Detail) false false R44.htm 145 - Disclosure - Nature of Business and Summary of Significant Accounting Policies - Number of Shares Outstanding for Calculation of Earnings (Loss) Per Share (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesNumberOfSharesOutstandingForCalculationOfEarningsLossPerShare Nature of Business and Summary of Significant Accounting Policies - Number of Shares Outstanding for Calculation of Earnings (Loss) Per Share (Detail) false false R45.htm 146 - Disclosure - Financial Instruments - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureFinancialInstrumentsAdditionalInformation Financial Instruments - Additional Information (Detail) false false R46.htm 147 - Disclosure - Accounts Receivable - Summary of Accounts Receivable (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureAccountsReceivableSummaryOfAccountsReceivable Accounts Receivable - Summary of Accounts Receivable (Detail) false false R47.htm 148 - Disclosure - Accounts Receivable - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureAccountsReceivableAdditionalInformation Accounts Receivable - Additional Information (Detail) false false R48.htm 149 - Disclosure - Costs and Estimated Earnings on Uncompleted Contracts - Costs and Estimated Earnings on Uncompleted Contracts (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureCostsAndEstimatedEarningsOnUncompletedContractsCostsAndEstimatedEarningsOnUncompletedContracts Costs and Estimated Earnings on Uncompleted Contracts - Costs and Estimated Earnings on Uncompleted Contracts (Detail) false false R49.htm 150 - Disclosure - Inventories - Summary of Inventories (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureInventoriesSummaryOfInventories Inventories - Summary of Inventories (Detail) false false R50.htm 151 - Disclosure - Inventories - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureInventoriesAdditionalInformation Inventories - Additional Information (Detail) false false R51.htm 152 - Disclosure - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipment Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) false false R52.htm 153 - Disclosure - Property, Plant and Equipment - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentAdditionalInformation Property, Plant and Equipment - Additional Information (Detail) false false R53.htm 154 - Disclosure - Goodwill and Intangible Assets - Goodwill / Tradename (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsGoodwillTradename Goodwill and Intangible Assets - Goodwill / Tradename (Detail) false false R54.htm 155 - Disclosure - Goodwill and Intangible Assets - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsAdditionalInformation Goodwill and Intangible Assets - Additional Information (Detail) false false R55.htm 156 - Disclosure - Goodwill and Intangible Assets - Intangible Assets - Finite Life (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsIntangibleAssetsFiniteLife Goodwill and Intangible Assets - Intangible Assets - Finite Life (Detail) false false R56.htm 157 - Disclosure - Accounts Payable and Accrued Expenses - Summary of Accounts Payable and Accrued Expenses (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureAccountsPayableAndAccruedExpensesSummaryOfAccountsPayableAndAccruedExpenses Accounts Payable and Accrued Expenses - Summary of Accounts Payable and Accrued Expenses (Detail) false false R57.htm 158 - Disclosure - Senior Debt - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureSeniorDebtAdditionalInformation Senior Debt - Additional Information (Detail) false false R58.htm 159 - Disclosure - Shareholders' Equity - Schedule of Dividend Declared (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureShareholdersEquityScheduleOfDividendDeclared Shareholders' Equity - Schedule of Dividend Declared (Detail) false false R59.htm 160 - Disclosure - Shareholders' Equity - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureShareholdersEquityAdditionalInformation Shareholders' Equity - Additional Information (Detail) false false R60.htm 161 - Disclosure - Shareholders' Equity - Summary of Stock Option (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureShareholdersEquitySummaryOfStockOption Shareholders' Equity - Summary of Stock Option (Detail) false false R61.htm 162 - Disclosure - Pension and Employee Benefit Plans - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosurePensionAndEmployeeBenefitPlansAdditionalInformation Pension and Employee Benefit Plans - Additional Information (Detail) false false R62.htm 163 - Disclosure - Pension and Employee Benefit Plans - Schedule of Changes in Projected Benefit Obligations (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosurePensionAndEmployeeBenefitPlansScheduleOfChangesInProjectedBenefitObligations Pension and Employee Benefit Plans - Schedule of Changes in Projected Benefit Obligations (Detail) false false R63.htm 164 - Disclosure - Pension and Employee Benefit Plans - Weighted-average Assumptions Used to Determine Net Periodic Benefit Cost (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosurePensionAndEmployeeBenefitPlansWeightedaverageAssumptionsUsedToDetermineNetPeriodicBenefitCost Pension and Employee Benefit Plans - Weighted-average Assumptions Used to Determine Net Periodic Benefit Cost (Detail) false false R64.htm 165 - Disclosure - Pension and Employee Benefit Plans - Components of Pension and Employee Benefit Expenses (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosurePensionAndEmployeeBenefitPlansComponentsOfPensionAndEmployeeBenefitExpenses Pension and Employee Benefit Plans - Components of Pension and Employee Benefit Expenses (Detail) false false R65.htm 166 - Disclosure - Pension and Employee Benefit Plans - Details of Defined Benefit Pension Plan Asset Allocation by Asset Category (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosurePensionAndEmployeeBenefitPlansDetailsOfDefinedBenefitPensionPlanAssetAllocationByAssetCategory Pension and Employee Benefit Plans - Details of Defined Benefit Pension Plan Asset Allocation by Asset Category (Detail) false false R66.htm 167 - Disclosure - Pension and Employee Benefit Plans - Disclosure of Fair Value Measurements of Pension Plan Assets (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosurePensionAndEmployeeBenefitPlansDisclosureOfFairValueMeasurementsOfPensionPlanAssets Pension and Employee Benefit Plans - Disclosure of Fair Value Measurements of Pension Plan Assets (Detail) false false R67.htm 168 - Disclosure - Pension and Employee Benefit Plans - Summary of Pension Fund General Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosurePensionAndEmployeeBenefitPlansSummaryOfPensionFundGeneralInformation Pension and Employee Benefit Plans - Summary of Pension Fund General Information (Detail) false false R68.htm 169 - Disclosure - Commitments and Contingencies - Summary of Future Annual Minimum Rental Commitments Under Non-Cancellable Operating Lease (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfFutureAnnualMinimumRentalCommitmentsUnderNonCancellableOperatingLease Commitments and Contingencies - Summary of Future Annual Minimum Rental Commitments Under Non-Cancellable Operating Lease (Detail) false false R69.htm 170 - Disclosure - Commitments and Contingencies - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformation Commitments and Contingencies - Additional Information (Detail) false false R70.htm 171 - Disclosure - Income Taxes - Schedule of Income Before Income Taxes (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeBeforeIncomeTaxes Income Taxes - Schedule of Income Before Income Taxes (Detail) false false R71.htm 172 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation Income Taxes - Additional Information (Detail) false false R72.htm 173 - Disclosure - Income Taxes - Schedule of Income Tax Provision (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfIncomeTaxProvision Income Taxes - Schedule of Income Tax Provision (Detail) false false R73.htm 174 - Disclosure - Income Taxes - Schedule of Reconciliation of Income Tax Provision and Statutory Rate (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfReconciliationOfIncomeTaxProvisionAndStatutoryRate Income Taxes - Schedule of Reconciliation of Income Tax Provision and Statutory Rate (Detail) false false R74.htm 175 - Disclosure - Income Taxes - Schedule of Net Deferred Tax Assets and Liabilities (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfNetDeferredTaxAssetsAndLiabilities Income Taxes - Schedule of Net Deferred Tax Assets and Liabilities (Detail) false false R75.htm 176 - Disclosure - Income Taxes - Schedule of Amounts Reported in Balance Sheet (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfAmountsReportedInBalanceSheet Income Taxes - Schedule of Amounts Reported in Balance Sheet (Detail) false false R76.htm 177 - Disclosure - Income Taxes - Schedule of Reconciliation of Uncertain Tax Position (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfReconciliationOfUncertainTaxPosition Income Taxes - Schedule of Reconciliation of Uncertain Tax Position (Detail) false false R77.htm 178 - Disclosure - Related Party Transactions - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformation Related Party Transactions - Additional Information (Detail) false false R78.htm 179 - Disclosure - Major Customers and Foreign Sales - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureMajorCustomersAndForeignSalesAdditionalInformation Major Customers and Foreign Sales - Additional Information (Detail) false false R79.htm 180 - Disclosure - Acquisitions - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureAcquisitionsAdditionalInformation Acquisitions - Additional Information (Detail) false false R80.htm 181 - Disclosure - Acquisitions - Fair Values of Assets Acquired and Liabilities Assumed at Date of Closing (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureAcquisitionsFairValuesOfAssetsAcquiredAndLiabilitiesAssumedAtDateOfClosing Acquisitions - Fair Values of Assets Acquired and Liabilities Assumed at Date of Closing (Detail) false false R81.htm 182 - Disclosure - Acquisitions - Fair Values of Assets Acquired and Liabilities Assumed at Date of Closing - Met- Pro Corporation (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureAcquisitionsFairValuesOfAssetsAcquiredAndLiabilitiesAssumedAtDateOfClosingMetProCorporation Acquisitions - Fair Values of Assets Acquired and Liabilities Assumed at Date of Closing - Met- Pro Corporation (Detail) false false R82.htm 183 - Disclosure - Acquisitions - Information of Company's Results of Operations (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureAcquisitionsInformationOfCompanysResultsOfOperations Acquisitions - Information of Company's Results of Operations (Detail) false false R83.htm 184 - Disclosure - Business Segment Information - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureBusinessSegmentInformationAdditionalInformation Business Segment Information - Additional Information (Detail) false false R84.htm 185 - Disclosure - Business Segment Information - Net Sales and Operating Income (Loss) by Business Segment (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureBusinessSegmentInformationNetSalesAndOperatingIncomeLossByBusinessSegment Business Segment Information - Net Sales and Operating Income (Loss) by Business Segment (Detail) false false R85.htm 186 - Disclosure - Business Segment Information - Property and Equipment Additions, Depreciation and Amortization and Identifiable Assets (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureBusinessSegmentInformationPropertyAndEquipmentAdditionsDepreciationAndAmortizationAndIdentifiableAssets Business Segment Information - Property and Equipment Additions, Depreciation and Amortization and Identifiable Assets (Detail) false false R86.htm 187 - Disclosure - Business Segment Information - Goodwill (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureBusinessSegmentInformationGoodwill Business Segment Information - Goodwill (Detail) false false R87.htm 188 - Disclosure - Business Segment Information - Intra-Segment and Inter-Segment Revenues (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureBusinessSegmentInformationIntraSegmentAndInterSegmentRevenues Business Segment Information - Intra-Segment and Inter-Segment Revenues (Detail) false false R88.htm 189 - Disclosure - Subsequent Events - Additional Information (Detail) Sheet http://www.cecoenviro.com/taxonomy/role/DisclosureSubsequentEventsAdditionalInformation Subsequent Events - Additional Information (Detail) false false All Reports Book All Reports Element us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets had a mix of decimals attribute values: -5 -3. Element us-gaap_DebtConversionConvertedInstrumentAmount1 had a mix of decimals attribute values: -5 -3. Element us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 had a mix of decimals attribute values: 3 4. Element us-gaap_DeferredTaxAssetsValuationAllowance had a mix of decimals attribute values: -5 -3. Element us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets had a mix of decimals attribute values: 2 4. Element us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost had a mix of decimals attribute values: -3 0. Element us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross had a mix of decimals attribute values: -3 0. Element us-gaap_StockRepurchasedAndRetiredDuringPeriodShares had a mix of decimals attribute values: -3 0. 'Shares' elements on report '108 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY' had a mix of different decimal attribute values. 'Monetary' elements on report '144 - Disclosure - Nature of Business and Summary of Significant Accounting Policies - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '148 - Disclosure - Accounts Receivable - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '155 - Disclosure - Goodwill and Intangible Assets - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '158 - Disclosure - Senior Debt - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '160 - Disclosure - Shareholders' Equity - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '169 - Disclosure - Commitments and Contingencies - Summary of Future Annual Minimum Rental Commitments Under Non-Cancellable Operating Lease (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '170 - Disclosure - Commitments and Contingencies - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '172 - Disclosure - Income Taxes - Additional Information (Detail)' had a mix of different decimal attribute values. 'Monetary' elements on report '180 - Disclosure - Acquisitions - Additional Information (Detail)' had a mix of different decimal attribute values. Process Flow-Through: 103 - Statement - CONSOLIDATED BALANCE SHEETS Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: 104 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Process Flow-Through: 105 - Statement - CONSOLIDATED STATEMENTS OF INCOME Process Flow-Through: 106 - Statement - CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) Process Flow-Through: 107 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Process Flow-Through: 109 - Statement - CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) Process Flow-Through: 110 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS cece-20131231.xml cece-20131231.xsd cece-20131231_cal.xml cece-20131231_def.xml cece-20131231_lab.xml cece-20131231_pre.xml true true