75000 - Document - Document and Entity Information
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75010 - Statement - Condensed Consolidated Balance Sheets
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75020 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)
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75030 - Statement - Condensed Consolidated Statements Of Operations (Unaudited)
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75040 - Statement - Condensed Consolidated Statements Of Comprehensive (Loss) Income (Unaudited)
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75050 - Statement - Condensed Consolidated Statements of Shareholders' Equity (Unaudited)
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75060 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)
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995455 - Disclosure - Basis of Reporting for Consolidated Financial Statements
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995465 - Disclosure - Recent Financial Accounting Pronouncements
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995475 - Disclosure - Accounts Receivable
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995485 - Disclosure - Contract Assets and Liabilities
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995495 - Disclosure - Inventories
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995505 - Disclosure - Goodwill and Intangible Assets
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995515 - Disclosure - Accrued Expenses
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995525 - Disclosure - Senior Debt
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995535 - Disclosure - (Loss) Earnings per Share
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995545 - Disclosure - Share-Based Compensation
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995555 - Disclosure - Pension and Employee Benefit Plans
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995565 - Disclosure - Income Taxes
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995575 - Disclosure - Financial Instruments
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995585 - Disclosure - Commitments and Contingencies
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995595 - Disclosure - Acquisitions
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995605 - Disclosure - Divestiture
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995615 - Disclosure - Business Segment Information
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995625 - Disclosure - Recent Financial Accounting Pronouncements (Policies)
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995635 - Disclosure - Accounts Receivable (Tables)
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995645 - Disclosure - Contract Assets and Liabilities (Tables)
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995655 - Disclosure - Inventories (Tables)
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995665 - Disclosure - Goodwill and Intangible Assets (Tables)
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995675 - Disclosure - Accrued Expenses (Tables)
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995685 - Disclosure - Senior Debt (Tables)
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995695 - Disclosure - (Loss) Earnings per Share (Tables)
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995705 - Disclosure - Pension and Employee Benefit Plans (Tables)
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995715 - Disclosure - Acquisitions (Tables)
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995725 - Disclosure - Divestiture (Tables)
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995735 - Disclosure - Business Segment Information (Tables)
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995745 - Disclosure - Accounts Receivable - Summary of Accounts Receivable (Detail)
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995755 - Disclosure - Accounts Receivable - Provision for Credit Losses Activity (Details)
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995765 - Disclosure - Accounts Receivable - Additional Information (Detail)
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995775 - Disclosure - Contract Assets and Liabilities - Summary of Contract Assets and Liabilities (Details)
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995785 - Disclosure - Contract Assets and Liabilities (Additional Information) (Details)
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995795 - Disclosure - Inventories - Summary of Inventories (Detail)
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995805 - Disclosure - Inventories - Additional Information (Detail)
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995815 - Disclosure - Goodwill and Intangible Assets - Goodwill / Tradename (Detail)
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995825 - Disclosure - Goodwill and Intangible Assets - Additional Information (Detail)
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995835 - Disclosure - Goodwill and Intangible Assets - Intangible Assets - Finite Life (Detail)
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995845 - Disclosure - Goodwill and Intangible Assets - Finite Lived Intangible Assets Amortization Expense (Detail)
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995855 - Disclosure - Accrued Expenses - Summary of Accrued Expenses (Detail)
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995865 - Disclosure - Accrued Expenses - Summary of Accrued Expenses (Detail) 2
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995875 - Disclosure - Senior Debt - Summary of Debt (Detail)
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995885 - Disclosure - Senior Debt - Summary of Debt (Detail) 2
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995895 - Disclosure - Senior Debt - Summary of Debt (Parenthetical) (Detail)
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995905 - Disclosure - Senior Debt - Additional Information (Detail)
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995915 - Disclosure - (Loss) Earnings per Share - Number of Shares Outstanding for Calculation of Earnings Per Share (Detail)
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995925 - Disclosure - (Loss) Earnings per Share - Number of Shares Outstanding for Calculation of Earnings Per Share (Detail) 2
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995935 - Disclosure - (Loss) Earnings per Share - Additional Information (Detail)
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995945 - Disclosure - Share-Based Compensation - Additional Information (Detail)
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995955 - Disclosure - Pension and Employee Benefit Plans - Components of Pension and Employee Benefit Expenses (Detail)
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995965 - Disclosure - Pension and Employee Benefit Plans - Additional Information (Detail)
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995975 - Disclosure - Income Taxes - Additional Information (Detail)
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995985 - Disclosure - Financial Instruments - Additional Information (Detail)
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995995 - Disclosure - Commitments and Contingencies - Additional Information (Detail)
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996005 - Disclosure - Acquisitions - Additional Information (Detail)
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996015 - Disclosure - Acquisitions - Summary of Fair Value of Consideration Transferred for the Merger (Details)
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996025 - Disclosure - Acquisitions - Schedule of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail)
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996035 - Disclosure - Acquisitions - Schedule of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail) 3
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996045 - Disclosure - Acquisitions - Schedule of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail) 7
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996055 - Disclosure - Acquisitions - Schedule of Estimated Fair Values of Assets Acquired Intangible Assets (Details)
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996065 - Disclosure - Acquisitions - Schedule of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Parenthetical) (Detail)
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996075 - Disclosure - Acquisitions - Schedule of Unaudited Pro Forma Financial Information (Details)
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996085 - Disclosure - Divestiture (Additional Information) (Details)
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996095 - Disclosure - Divestiture - Schedule of Amounts Related to the Transaction (Details)
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996105 - Disclosure - Business Segment Information - Property and Equipment Additions, Depreciation and Amortization and Identifiable Assets (Detail)
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996115 - Disclosure - Business Segment Information - Goodwill (Detail)
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996125 - Disclosure - Business Segment Information - Intra-Segment and Inter-Segment Revenues (Detail)
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996135 - Disclosure - Business Segment Information - Net sales by geographic area (Details)
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996145 - Disclosure - Business Segment Information - Long-lived assets by geographic area (Details)
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996155 - Disclosure - Business Segment Information (Additional Information) (Details)
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Line of Credit Facility [Line Items]
Line Of Credit Facility [Line Items]
Related Party Transaction [Table]
Borrowings on revolving line of credit.
Borrowings On Revolving Line Of Credit
Borrowings on revolving credit lines
Scenario [Axis]
Gross Profit
Gross profit
Deferred Consideration Paid For Acquisitions
Deferred Consideration Paid For Acquisitions
Deferred consideration paid for acquisitions
Flexible Specialty Products LLC [Member]
Flexible Specialty Products LLC [Member]
Flexible Specialty Products LLC [Member]
Flexible Specialty Products LLC
Right-of-use assets from operating leases
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Right of Use Assets From Operating Leases
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Right of Use Assets From Operating Leases
Accounts Payable
Accounts Payable, Total
Preferred Stock, Shares Issued, Total
Preferred Stock, Shares Issued
Preferred stock, shares issued
Debt Disclosure [Text Block]
Senior Debt
Interest Expense, Total
Interest Expense, Operating and Nonoperating
Interest expense
Interest expense
Business Combination, Consideration Transferred, Equity Interest, Type [Domain]
Revolving credit facility
Long-term Line of Credit, Total
Long-Term Line of Credit
Bank guarantee agreement outstanding amount
Long-Term Debt, Maturity, Year Three
Credit facility principal payments 2029
Debt Instrument, Basis Spread on Variable Rate
Debt Instrument, Basis Spread on Variable Rate
Total preliminary consideration transferred
Preliminary Consideration Transferred
Preliminary Consideration Transferred
Commitments and Contingencies
Commitments and contingencies (See Note 13)
Weighted Average Number of Shares Outstanding, Diluted
Diluted
Diluted weighted-average shares outstanding
Repurchase of common stock (in shares)
Stock Repurchased During Period, Shares
Common stock repurchase and retirement, Shares
Common stock repurchase and retirement
Divestiture [Line Items]
Divestiture [Line Items]
Minimum [Member]
Minimum
Thermon Group Holdings, Inc. [Member]
Thermon Group Holdings, Inc. [Member]
Thermon Group Holdings, Inc. [Member]
Thermon Group Holdings, Inc.
Contract with Customer, Asset, after Allowance for Credit Loss, Current [Abstract]
Long-Term Debt, Maturity, Year Two
Credit facility principal payments 2028
Acquisition
Intangible Asset, Finite-Lived, Measurement Period Adjustment
Line of Credit Facility, Periodic Payment, Principal
Outstanding borrowings, quarterly principal installments payable amount
Debt Instrument, Interest Rate, Effective Percentage
Debt effective interest rate
Debt Instrument, Redemption, Period Three [Member]
Debt Instrument, Redemption, Thereafter [Member]
Cash Component [Member]
Cash Component [Member]
Cash Component
Stock Component [Member]
Stock Component [Member]
Stock Component
Verantis Environmental Solutions Group [Member]
Verantis Environmental Solutions Group [Member]
Verantis Environmental Solutions Group [Member]
Common Stock, Shares, Issued, Total
Common Stock, Shares, Issued
Common stock, shares issued
Segment Reporting [Line Items]
Segment Reporting Information [Line Items]
Business Combination, Contingent Consideration, Liability, Total
Business Combination, Contingent Consideration, Liability
Repayment of Thermon indebtedness
Principal amount
Debt Instrument, Face Amount
Income Tax Expense (Benefit), Total
Income Tax Expense (Benefit)
Income tax (benefit) expense
Goodwill, Foreign Currency Translation, Gain (Loss)
Goodwill, foreign currency translation
Term loan principal installments
Debt Instrument, Periodic Payment, Principal
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Accounts Receivable
Restricted Stock Units (RSUs) [Member]
Restricted Stock Units [Member]
Payments on finance leases and financing liability.
Payments On Finance Leases And Financing Liability
Payments on finance leases and financing liability
Debt, Current
Debt, Current, Total
Debt Related to EFM JV
Other Machinery and Equipment [Member]
Other Machinery and Equipment
Operating Segments [Member]
Operating Segments [Member]
Intangible Asset, Finite-Lived, Class [Domain]
Finite-Lived Intangible Assets, Major Class Name
Loss Contingency, Claims Settled, Number
Number of cases settled
Stock Issued During Period, Value, Conversion of Convertible Securities
Pre-combination value of replaced Thermon equity awards
Impairment charges
Asset, Impairment Loss
Asset, Impairment Loss, Total
Line of Credit Facility, Maximum Borrowing Capacity
Bank guarantee issuance under bilateral lines and collateral
Industrial Segment Sales [Member]
Industrial Segment Sales [Member]
Industrial Segment Sales [Member]
Fiscal Quarter [Member]
Fiscal Quarter [Member]
Fiscal Quarter Member
Table Text Block [Abstract]
Cash Acquired from Acquisition
Cash Acquired from Acquisition
Accrued Income Taxes, Current
Income taxes payable
Subsequent Event Type [Domain]
Receivable Type
Receivable Type [Axis]
Segment Reporting, Long-Lived Asset, Expenditure for Addition
Property and equipment additions
Cost of Goods and Services Sold, Total
Cost of Product and Service Sold
Cost of sales
Fair value adjustment to earnout liabilities
Liabilities, Fair Value Adjustment
Fair value adjustment to earnout liabilities
Litigation Settlement, Amount Awarded from Other Party
Cumulative settlement payments for cases involving asbestos-related claims
Restricted cash
Restricted Cash, Current
Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents, Total
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Effect of exchange rate changes on cash, cash equivalents and restricted cash
Schedule of Long-Term Debt Instruments [Table]
Debt Instrument [Table]
General and Administrative Expense
General and Administrative Expense, Total
General and administrative expense
Income Statement [Abstract]
Receivables, Net, Current
Receivables, Net, Current, Total
Accounts Receivable Related to EFM JV
Income Tax Jurisdiction [Axis]
Income Tax Authority
Payment for Pension Benefits
Pension contributions
Other [Member]
Other [Member]
Other
Debt Instrument, Unamortized Discount, Total
Debt Instrument, Unamortized Discount
Unamortized debt discount
Customer Lists [Member]
Customer Lists [Member]
Customer lists
Schedule Of Finite Lived Intangible Assets [Table]
Intangible Asset, Finite-Lived [Table]
Earnings Per Share, Basic, Total
Earnings Per Share, Basic
Basic
Corporate Segment and Other Operating Segment [Member]
Corporate and Other [Member]
Document Period End Date
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year
Amortization expense of finite life intangibles for remainder of 2026
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Accrued Expenses
Finite-Lived Intangible Assets, Net, Total
Intangible Asset, Finite-Lived, after Accumulated Amortization
Intangible assets – finite life, net at end of period
Intangible assets – finite life, net at beginning of period
Intangible assets – finite life, net
Intangible assets - finite life, net
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Current Liabilities Billings in Excess of Costs and Estimated Earnings on Uncompleted Contracts
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Current Liabilities Billings in Excess of Costs and Estimated Earnings on Uncompleted Contracts
Billings in excess of costs and estimated earnings on uncompleted contracts
Acquisitions of property and equipment
Payments to Acquire Property, Plant, and Equipment, Total
Payments to Acquire Property, Plant, and Equipment
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Common Stock, Shares Authorized
Common stock, shares authorized
Total Long-Lived Assets
Total Long-Lived Assets
Total Long-Lived Assets
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two
Amortization expense of finite life intangibles for 2028
Statement of Stockholders' Equity [Abstract]
Prepaid Expense and Other Assets, Current
Prepaid expenses and other current assets
Increase (Decrease) in Income Taxes Payable
Income taxes payable
Summary of Amounts Related to the Transaction
Schedule of Principal Transactions Revenue [Table Text Block]
Consolidated Leverage Ratio
Consolidated leverage ratio.
Consolidated Leverage Ratio
Business Combination, Contingent Consideration [Table]
Schedule Of Business Acquisitions By Acquisition Contingent Consideration [Table]
Assets, Fair Value Adjustment
Fair value
Business Combination, Consideration Transferred, Equity Interest [Table]
Accounting Standards Update and Change in Accounting Principle [Text Block]
Recent Financial Accounting Pronouncements
Other Pension, Postretirement and Supplemental Plans [Member]
Health Care Plan [Member]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Stock Consideration [Member]
Stock Consideration [Member]
Stock Consideration
Assets
Total assets
Identifiable assets
Western Air Ducts Ltd [Member]
Western Air Ducts Ltd [Member]
Western Air Ducts [Member]
Title of 12(b) Security
Title of 12(b) Security
Debt Instrument, Frequency of Periodic Payment
Frequency of periodic payment
CHINA
CN
Goodwill, Total
Goodwill
Goodwill
Goodwill, balance at beginning of period
Goodwill, balance at end of period
Preferred Stock, Value, Issued, Ending Balance
Preferred Stock, Value, Issued, Beginning Balance
Preferred Stock, Value, Issued, Total
Preferred Stock, Value, Issued
Preferred stock, $0.01 par value; 10,000 shares authorized, none issued
Cash Settlement to Acquire Equity Awards
Cash Settlement to Acquire Equity Awards
Cash settlement of Thermon equity awards
Common stock repurchased
Payments for Repurchase of Common Stock
Related Party Transaction [Axis]
Stock Issued During Period, Value, Stock Options Exercised
Exercise of stock options
Number of Options, Granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
Vehicles [Member]
Vehicles
Title and Position [Domain]
Title of Individual
Scenario [Member]
Scenario [Member]
Scenario [Member]
Equity Awards Surrendered By Employees For Tax Liability, Net Of Proceeds From Employee Stock Purchase Plan And Exercise Of Stock Options
Equity Awards Surrendered By Employees For Tax Liability, Net Of Proceeds From Employee Stock Purchase Plan And Exercise Of Stock Options
Equity awards surrendered by employees for tax liability, net of proceeds from employee stock purchase plan and exercise of stock options
Schedule of Net Benefit Costs [Table Text Block]
Components of Pension and Employee Benefit Expenses
Effective Income Tax Rate Reconciliation, Percent, Total
Effective Income Tax Rate Reconciliation, Percent
Effective income tax rate
Variable Rate [Axis]
Interest Paid, Excluding Capitalized Interest, Operating Activity
Interest
Proceeds from Issuance of Long-Term Debt
Proceeds from Issuance of Long-Term Debt, Total
Borrowings on long-term debt
Industrial process solutions member.
Industrial Process Solutions [Member]
Industrial Process Solutions Segment [Member]
Business Combination, Recognized Liability Assumed, Liability, Current
Business Combination, Recognized Liability Assumed, Liability, Current, Total
Current liabilities assumed
Current liabilities assumed
Bank guarantees.
Bank Guarantees [Member]
Bank Guarantees [Member]
Contract with Customer, Asset, after Allowance for Credit Loss, Current, Total
Contract with Customer, Asset, after Allowance for Credit Loss, Current
Costs and estimated earnings in excess of billings on uncompleted contracts
Prepaid Taxes
Prepaid income taxes
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Other comprehensive income (loss), net of tax:
Other comprehensive (loss) income, net of tax:
Business Combination, Recognized Asset Acquired, Other Asset, Current
Other assets
Segment Reporting [Table Text Block]
Net Sales and Income from Operation by Business Segment
Fair Value of Assets Acquired
Fair values of the assets acquired and liabilities assumed and allocated to goodwill
Cash
Cash Related to EFM JV
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four
Amortization expense of finite life intangibles for 2030
Restricted cash
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Restricted Cash
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Restricted Cash
Proceeds from (Repayments of) Lines of Credit
Proceeds from (Repayments of) Lines of Credit, Total
Repayments on revolving credit lines
Stockholders' Equity Attributable to Parent, Ending Balance
Stockholders' Equity Attributable to Parent, Beginning Balance
Equity, Attributable to Parent
Total CECO shareholders' equity
Net assets
Entity Address, Address Line Two
Entity Address, Address Line Two
Income Tax Disclosure [Text Block]
Income Taxes
Incremental Term A-1 Loan Facility [Member]
Incremental Term A-1 Loan Facility [Member]
Earnings Per Share [Text Block]
(Loss) Earnings per Share
Number of Reportable Segments
Number of reportable segments
Loss Contingency, New Claims Filed, Number
Number of new cases filed
Thermon Subsidiaries [Member]
Thermon Subsidiaries [Member]
Fair value of financial instruments.
Fair Value Of Financial Instruments [Line Items]
Fair Value Of Financial Instruments [Line Items]
Business Combination, Contingent Consideration [Line Items]
Business Acquisition Contingent Consideration [Line Items]
Energy Inter-Segment Sales [Member]
Energy inter segment sales.
Energy Inter Segment Sales [Member]
Litigation and settlement awarded from insurers.
Litigation And Settlement Awarded From Insurers
Cumulative settlement payments made for cases involving asbestos-related claims with all legal fees other than corporate counsel expenses
Segment Reporting, Reconciliation of Other Item by Segment to Consolidated [Table Text Block]
Property and Equipment Additions, Depreciation and Amortization and Identifiable Assets
Industrial inter segment sales.
Industrial Inter Segment Sales [Member]
Industrial Inter-Segment Sales [Member]
Deferred income tax liability
Business Combination, Recognized Liability Assumed, Deferred Tax Liability
Deferred income tax liability
Total outstanding borrowings under the Credit Facility
Long-Term Debt
Total outstanding borrowings
Credit Facility [Axis]
Credit Facility
Business Combination, Recognized Asset Acquired, Deferred Tax Asset
Deferred charges and other assets
Gain on sale of Global Pump Solutions business
Gain on sale of Global Pump Solutions business
Gain on sale of Global Pump Solutions business
Gain on sale of Global Pump Solutions business
Repayments of Long-term Debt, Total
Repayments of Long-Term Debt
Repayments of long-term debt
Other Borrowings
Borrowings
Revolving Credit Facility [Member]
Revolving Credit Loan [Member]
Noncatastrophic Event [Axis]
Geographical [Domain]
Business Combination, Transaction Cost, Excluding Separately Recognized Transaction
Less: Transaction costs
Less: D&O "tail" insurance premium
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three
Amortization expense of finite life intangibles for 2029
Inventory Fair Value Adjustment
Inventory Fair Value Adjustment
Inventory fair value adjustment
Intra Sub Segment Eliminations [Member]
Intra Sub Segment Eliminations [Member]
Intra Sub Segment Eliminations [Member]
Statistical Measurement [Axis]
Entity Interactive Data Current
Entity Interactive Data Current
Engineered systems member.
Engineered Systems [Member]
Engineered Systems Segment [Member]
Business Combination, Consideration Transferred, Equity Interest
Total Consideration
Total Merger Consideration per the Merger Agreement
Asset Acquisition, Consideration Transferred
Contract Assets and Liabilities [Line Items]
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]
Common Stock, Value, Issued, Ending Balance
Common Stock, Value, Issued, Beginning Balance
Common Stock, Value, Issued, Total
Common Stock, Value, Issued
Common stock, $0.01 par value; 100,000,000 shares authorized, 58,444,845 and 35,644,537 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively
Fair Value, off-Balance-Sheet Risk [Table]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Number of Shares Outstanding for Calculation of Earnings Per Share
Debt Instrument, Interest Rate, Increase (Decrease)
Debt Instrument, Interest Rate
Inventory, Raw Materials, Gross, Total
Inventory, Raw Materials, Gross
Raw materials
Euro-denominated bank guarantee.
Euro Denominated Bank Guarantee [Member]
Euro-Denominated Bank Guarantee [Member]
Liabilities
Liabilities
Total liabilities
Liabilities Related to EFM JV
Ownership [Domain]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment
Property and equipment
Property, plant and equipment
Weighted-average volatility rate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate
Business Combination [Text Block]
Acquisitions
Amortization Of Intangible Assets1
Amortization Of Intangible Assets1
Amortization Of Intangible Assets1
Retained Earnings (Accumulated Deficit), Ending Balance
Retained Earnings (Accumulated Deficit), Beginning Balance
Retained Earnings (Accumulated Deficit), Total
Retained Earnings (Accumulated Deficit)
Retained earnings
Gain (Loss) on Disposition of Property Plant Equipment, Total
Gain (Loss) on Disposition of Property Plant Equipment
(Gain) loss on sale of property and equipment
Divestiture [Text Block]
Divestiture [Text Block]
Divestiture
Weighted-average expected term
Share Based Compensation Arrangement By Share Based Payments Award Fair Value Assumptions Weighted Average Expected Term
Share based compensation arrangement by share based payments award fair value assumptions weighted average expected term
Federal Funds Rate [Member]
Federal Funds Rate [Member]
Federal Funds Rate [Member]
Share Price
Common Stock Closing Price
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Basis of Reporting for Consolidated Financial Statements
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Changes in operating assets and liabilities, net of acquisitions and divestiture:
Number of CECO Common Stock shares to be issued pursuant to the Maximum Aggregate Stock Shares proration per the Merger Agreement
Stock Issued During Period, Shares, New Issues
Fair value of noncontrolling interest equity issued (see Note 14)
Fair value of noncontrolling interest equity issued
Fair value of noncontrolling interest equity issued
Business Combination, Recognized Liability Assumed, Lease Obligation
Operating lease liabilities
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares
Number of Common Stock Shares Issued
Number of Thermon's Common Stock shares
Deferred Income Tax Liabilities, Net, Total
Deferred Income Tax Liabilities, Net
Deferred income tax liability, net
Variable Rate [Domain]
Intangible Asset, Finite-Lived, Accumulated Amortization
Accumulated Amortization
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Current Assets Prepaid Expenses and Other Current Assets
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Current Assets Prepaid Expenses and Other Current Assets
Prepaid income taxes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Allowance for Credit Loss, Recovery
Recoveries
(Recovery) allowance for credit loss
Repurchase of common stock
Stock Repurchased During Period, Value
Common stock repurchase
Common stock repurchase and retirement
Stock Issued During Period, Shares, Issued for Services
Restricted stock units issued, Shares
Assets, Noncurrent, Total
Assets, Noncurrent
Long Lived Assets Related to EFM JV
Maturity date of term loan
Loan, Held-for-Sale, Maturity Date
Long-Lived Asset, Class [Axis]
Acquisition Related Costs
Acquisition Related Costs
Acquisition Related Costs
Standby Letters of Credit [Member]
Letters of Credit [Member]
Short-Term Debt, Type [Axis]
Deferred Compensation Cash-Based Arrangements, Liability, Current
Deferred cash consideration
Interest expense
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest
Payments for Previous Acquisition
Purchase Price
Defined Benefit Plan [Table]
Schedule Of Defined Benefit Plans Disclosures [Table]
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Finite-Lived intangible assets, Weighted average amortization period
Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period
State and foreign authorities.
State And Foreign Authorities [Member]
State and Foreign Authorities [Member]
Noncontrolling interest distributions
Payments to Noncontrolling Interests
Business Combination, Recognized Asset Acquired, Inventory, Current
Inventories
Lease liabilities, current.
Lease Liabilities Current
Short-term operating lease liability
Base Rate [Member]
Base Rate [Member]
Banking Regulation, Supplementary Leverage Ratio, Well Capitalized, Maximum
Banking Regulation, Supplementary Leverage Ratio, Well Capitalized, Maximum
Banking Regulation, Supplementary Leverage Ratio, Maximum
Stock Issued During Period, Value, Issued for Services
Restricted stock units issued
Restricted stock units issued
Secured Debt
Secured Debt
Secured Debt, Total
Schedule Of Goodwill And Other Intangible Assets [Table]
Schedule Of Goodwill And Other Intangible Assets [Table]
Schedule Of Goodwill And Other Intangible Assets [Table]
Customer [Domain]
Customer
Proceeds from Collaborators
Cash received
Noncatastrophic Event [Domain]
Other Nonoperating Expense
Other income (expense), net
Other income (expense), net
Project engineering expense
Project Engineering Expense
Project Engineering Expense
Business Combination, Recognized Liability Assumed, Liability
Total liabilities
Payments for (Proceeds from) Investments, Total
Payments for (Proceeds from) Investments
Cash paid for acquisitions, net of cash acquired
Liabilities and Equity
Total liabilities and shareholders' equity
Credit agreement.
Credit Agreement [Member]
Credit Agreement [Member]
Goodwill, Acquisitions
Goodwill, Measurement Period Adjustment
Goodwill Increase
Intangible Asset, Finite-Lived, Class [Axis]
Finite-Lived Intangible Assets by Major Class
Document Fiscal Period Focus
Document Fiscal Period Focus
Business Combination, Integration-Related Cost, Expense
Acquisition expenses
Acquisition and integration expense
Inventory, Noncurrent
Inventory, Noncurrent, Total
Inventories
Inventories
Schedule of Inventory, Current [Table Text Block]
Summary of Inventories
Depreciation and amortization
Depreciation, Depletion and Amortization, Nonproduction
Depreciation, Depletion and Amortization, Nonproduction, Total
Title and Position [Axis]
Title of Individual
Accrued Liabilities [Member]
Letters of Credit Outstanding, Amount
Aggregate principal amount outstanding under the credit facilities
Cash Consideration [Member]
Cash Consideration [Member]
Cash Consideration
CANADA
CA
Intangible Asset, Finite-Lived, Useful Life
Intangible assets, Useful Life
Intangible assets, Useful Life
NETHERLANDS
NL
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Net increase in cash, cash equivalents and restricted cash
Entity Current Reporting Status
Entity Current Reporting Status
Schedule of Fair Value of Consideration Transferred for the Merger
Business Combination, Contingent Consideration [Table Text Block]
Accounts Payable, Current
Accounts Payable, Current, Total
Accounts payable
Financial Instrument [Axis]
Document Transition Report
Document Transition Report
Other Corporate Expenses
Other Corporate Expenses
Other corporate expenses
Commitments and Contingencies Disclosure [Abstract]
The weighted average cost per settled claim based on the number of claims settled and the amount paid in aggregate for asbestos related claims.
Average Cost Per Settled Claim
Average cost per settled claim excluding legal fees
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Expected return on plan assets
Increase (Decrease) in Inventories, Total
Increase (Decrease) in Inventories
Inventories
Effect of Fourth Quarter Event Type [Axis]
Current liabilities:
Liabilities, Current [Abstract]
Fractional Shares
Fractional Shares
Fractional Shares
Share-Based Payment Arrangement [Abstract]
Shares Converted
Conversion of Stock, Shares Converted
Debt, Weighted Average Interest Rate
Weighted average interest rate on outstanding borrowings
Common Stock [Member]
Common Stock
Retirement Plan Type [Axis]
Retirement Plan Type
Profire Energy Inc [Member]
Profire Energy Inc [Member]
Profire Energy Inc
Business Combination, Recognized Asset Acquired, Asset
Total assets acquired
Amended and restated credit agreement.
Amended And Restated Credit Agreement [Member]
Amended and Restated Credit Agreement [Member]
Sales From External Customers
Sales From External Customers
Sales from external customers
WK Group [Member]
WK Group [Member]
WK Group [Member]
Credit Facility [Domain]
Credit Facility
Statistical Measurement [Domain]
Business Combination, Pro Forma Information [Table Text Block]
Schedule of Unaudited Pro Forma Financial Information
Pension Plan Assets
Pension plan assets.
Pension plan assets
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders
Noncontrolling interest distribution
Term debt.
Term Debt [Member]
Term Debt [Member]
Retainage receivables on contracts period.
Retainage Receivables On Contracts Period
Retainage receivables on contracts period
Finite-Lived Intangible Assets, Gross, Total
Intangible Asset, Finite-Lived, before Accumulated Amortization
Cost
Director [Member]
Non-Employee Director [Member]
Equity, Attributable to Parent [Abstract]
Shareholders’ equity:
Weighted Average Number of Shares Outstanding, Basic, Total
Weighted Average Number of Shares Outstanding, Basic
Basic
Basic weighted-average shares outstanding
Income (Loss) from Continuing Operations, Per Diluted Share
Diluted
Inventory, Net [Abstract]
Assets [Abstract]
ASSETS
Entity Central Index Key
Entity Central Index Key
Line of Credit Facility [Table]
Line Of Credit Facility [Table]
Income taxes.
Income Taxes [Line Items]
Income Taxes [Line Items]
Stock Issued During Period, Shares, Acquisitions
Issuance of common stock in connection with business combinations, Shares
Less: CECO Common Stock shares due to Maximum Aggregate Stock Shares proration per the Merger Agreement
Less: CECO Common Stock shares due to Maximum Aggregate Stock Shares proration per the Merger Agreement
Consolidation Items [Axis]
Consolidation Items
Current Fiscal Year End Date
Current Fiscal Year End Date
Document Quarterly Report
Document Quarterly Report
Increase (decrease) in deferred charges and other assets.
Increase Decrease In Deferred Charges And Other Assets
Deferred charges and other assets
Amended Credit Agreement [Member]
Amended Credit Agreement Member
Amended Credit Agreement [Member]
Intangible Asset and Goodwill [Table Text Block]
Goodwill / Tradename
Line of Credit Facility, Interest Rate at Period End
Credit Facility Interest Rate
Long-Term Debt, Maturity, Remainder of Fiscal Year
Credit facility principal payments 2026
Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent
Cash, Current assets
Cash and cash equivalents
Certain trade names.
Certain Trade Names [Member]
Certain Tradenames [Member]
Business Combination [Abstract]
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Net cash used in operating activities
Accounting Standards to be Adopted
New accounting standards not yet adopted policy.
New Accounting Standards Not Yet Adopted Policy [Text Block]
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Diluted
Earnings Per Share, Diluted
Earnings Per Share, Diluted, Total
Two Thousand Twenty Six Credit Agreement and Amendment [Member]
Two Thousand Twenty Six Credit Agreement and Amendment [Member]
2026 Credit Agreement and Amendment
Preferred Stock, Par or Stated Value Per Share
Preferred stock, par value
Common stock repurchase and retirement, Shares
Common stock repurchase and retirement, Shares
Common stock repurchase and retirement, Shares
Net Income Related to EFM JV
Net income attributable to CECO Environmental Corp.
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture, Total
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture
Share based compensation earned
Ownership [Axis]
Environmental Integrated Solutions.
Environmental Integrated Solutions [Member]
Environmental Integrated Solutions
Provision for credit losses
Provision for Other Credit Losses
Commitments and Contingencies Disclosure [Text Block]
Commitments and Contingencies
Long-Lived Asset, Class [Domain]
Schedule Of Provision For Credit Losses Activity Table textblock
Schedule Of Provision For Credit Losses Activity Table textblock
Schedule Of Provision For Credit Losses Activity
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Debt Instrument, Unused Borrowing Capacity, Amount
Unused credit availability under credit facility
Technology-Based Intangible Assets [Member]
Technology [Member]
Technology
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue [Table Text Block]
Net Sales By Geographic Area
Income Tax Jurisdiction [Domain]
Income Tax Authority
Loss Contingency, Claims Dismissed, Number
Number of cases dismissed
Scenario [Domain]
Balance at end of period
Accounts Receivable, Allowance for Credit Loss
Balance at beginning of period
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
Summary of Contract Assets and Liabilities
Debt Instrument, Fair Value Disclosure, Total
Debt Instrument, Fair Value Disclosure
Fair value of debt issued
Equity Components [Axis]
Equity Components
Fourth Amended and Restated Credit Agreement [Member]
Fourth Amended and Restated Credit Agreement [Member]
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Cash flows from investing activities:
Other Commitments [Line Items]
Statement of Cash Flows [Abstract]
Income Tax Disclosure [Abstract]
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Summary of Accrued Expenses
Weighted-average fair value of stock options granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Retirement Benefits [Abstract]
Increase (Decrease) in Prepaid Expense and Other Assets, Total
Increase (Decrease) in Prepaid Expense and Other Assets
Prepaid expense and other current assets
Intersubsegment Eliminations [Member]
Inter sub segment Eliminations [Member]
Other Accounts Payable and Accrued Liabilities
Other
Depreciation, Depletion and Amortization, Total
Depreciation, Depletion and Amortization
Depreciation and amortization
Financial Instruments
Financial Instruments Disclosure [Text Block]
Preferred Stock, Shares Authorized
Preferred stock, shares authorized
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Anti-dilutive options and restricted stock units outstanding
Shop burden
Shop Burden
Shop Burden
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Loss [Member]
Deferred income taxes
Deferred Income Tax Assets, Net
Deferred Income Tax Assets, Net, Total
Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Accounts payable
Tradename, Acquisitions
Intangible Asset, Indefinite-Lived, Measurement Period Adjustment
Subsegments Consolidation Items [Axis]
Subsegments Consolidation Items
Contract liability
Contract liability current.
Contract Liability Current
Receivable [Domain]
Receivable
Inventory, Net
Total inventories
Inventories Related to EFM JV
Inventories
Segment profit
Segment Profit
Segment Profit
Income from operations
Total Segment Sales [Member]
Total Segment Sales [Member]
Total Segment Sales [Member]
Credit facility.
Credit Facility [Member]
Credit Facility [Member]
Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities
Accrued expenses
Business Combination [Table Text Block]
Schedule of Estimated Fair Values of Assets Acquired and Liabilities Assumed
Accrued expenses
Accrued Liabilities, Current
Total accrued expenses
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earn out, Fair value
Earn out, Fair value
Earn out, Fair value
Long-term Debt, Current Maturities, Total
Long-Term Debt, Current Maturities
Current portion of debt
Less: current portion
Customer [Axis]
Customer
Purchase Price
Purchase Price
Purchase price
Inventory, Work in Process, Gross
Work in process
Maximum consolidated leverage ratio.
Maximum Consolidated Leverage Ratio
Maximum consolidated leverage ratio
Intangible Asset, Goodwill and Other [Abstract]
Investments, All Other Investments [Abstract]
Document Type
Document Type
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Cash flows from operating activities:
Liabilities and Equity [Abstract]
LIABILITIES AND SHAREHOLDERS’ EQUITY
Intra segment and inter segment elimination by revenue.
Intra Segment And Inter Segment Elimination By Revenue Table [Text Block]
Intra-Segment and Inter-Segment Revenues
Effective Income Tax Rate Reconciliation, Tax Settlement, Foreign, Percent
Percentage of corporate tax
Senior Secured Revolving Credit Facility [Member]
Senior Secured Revolving Credit Facility [Member]
Subsequent Event [Member]
Subsequent Event [Member]
Operating Income (Loss)
Income from operations
Loss (income) from operations
EFM JV [Member]
Effox Flextor Madder [Member]
Effox Flextor Madder [Member]
Financing Receivable, Allowance for Credit Loss [Table Text Block]
Schedule of Provision for Credit Losses Activity
Sale of Stock, Price Per Share
Consideration received per share
Per Share Cash Consideration
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill
Intangible - finite life
Intangible assets - finite life
Total acquired intangible assets
Segment Reporting [Table]
Schedule Of Segment Reporting Information By Segment [Table]
Securities Act File Number
Entity File Number
Defined Benefit Plan, Amortization of Gain (Loss)
Amortization of net actuarial loss
Direct Cost Of Sales
Direct Cost Of Sales
Direct cost of sales
Inventory, Finished Goods, Gross, Total
Inventory, Finished Goods, Gross
Finished goods
Income Tax Jurisdiction, Domestic Federal [Member]
Federal Authorities [Member]
Retirement Plan Type [Domain]
Retirement Plan Type
Finite Lived Intangible Assets Written Off Related To Sale Of Business Unit
Finite Lived Intangible Assets Written Off Related To Sale Of Business Unit
Divestitures
Divestiture and other
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)
Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease), Total
(Recovery) allowance for credit loss
Retained Earnings [Member]
Accumulated Loss [Member]
Mixed Consideration [Member]
Mixed Consideration [Member]
Mixed Consideration
Third Amended and Restated Credit Agreement [Member]
Third Amended and Restated Credit Agreement [Member]
Proceeds from sale of Global Pump Solutions business
Proceeds from sale of Global Pump Solutions business
Proceeds from sale of Global Pump Solutions business
Entity Registrant Name
Entity Registrant Name
Business Combination, Consideration Transferred, Equity Interest, Type [Axis]
Net income (loss)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Net income
Net (loss) income
Selling, General and Administrative Expense, Total
Selling, General and Administrative Expense
Selling and administrative expense
Senior Debt [Member]
Senior Debt [Member]
Senior Debt [Member]
Deferred Costs and Other Assets
Deferred charges and other assets
Inter-Segment Elimination [Member]
Intersegment Eliminations [Member]
Backlog [Member]
Backlog [Member]
Backlog
Inventory reserve expense benefit.
Inventory Reserve Expense Benefit
Inventory reserve expense
Trade Names [Member]
Tradenames
Tradenames and other [Member]
Entity Address, Address Line One
Entity Address, Address Line One
Line of Credit Facility, Expiration Date
Line of Credit Facility, Expiration Date
Non-controlling interest
Net Income (Loss) Attributable to Noncontrolling Interest, Total
Net Income (Loss) Attributable to Noncontrolling Interest
Noncontrolling interest
Business Combination, Recognized Asset Acquired, Asset, Current
Business Combination, Recognized Asset Acquired, Asset, Current, Total
Current assets
UNITED STATES
US
Common stock repurchase and retirement, Amount
Common stock repurchase and retirement, Amount
Common stock repurchase and retirement, Amount
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Exercise of stock options, Shares
Accounts receivable
Business Combination, Recognized Asset Acquired, Receivable, Current
CECO Environmental Corp [Member]
CECO Environmental Corp [Member]
CECO Environmental Corp
Business Combination, Recognized Liability Assumed, Liability [Abstract]
Liabilities
Bank Loan
Advance from Federal Home Loan Bank
Assets, Current
Assets Current
Total current assets
Current Assets Related to EFM JV
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Net periodic benefit cost
Segments [Axis]
Segments
Recognized a charge of divestiture business
Proceeds from Divestiture of Businesses
Cash paid during the period for:
Supplemental Cash Flow Information [Abstract]
Payments of Financing Costs
Payments of Financing Costs, Total
Deferred financing fees paid
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Summary of Accounts Receivable
Deferred income tax benefit
Deferred Income Tax Expense (Benefit), Total
Deferred Income Tax Expense (Benefit)
Deferred income taxes on undistributed earnings
EnviroCare International LLC [Member]
EnviroCare International LLC [Member]
EnviroCare International LLC
Entity Small Business
Entity Small Business
Debt, less current portion
Long-term Debt, Excluding Current Maturities, Total
Long-Term Debt, Excluding Current Maturities
Total debt, less current portion
Pension Plan [Member]
Pension Plan [Member]
Goodwill, Foreign Currency Translation and Measurement Period Adjustments
Purchase price adjustments
Product Warranty Accrual, Current
Accrued warranty
Business Combination Equity Interest Exchange Ratio
Business Combination Equity Interest Exchange Ratio
Exchange ratio per Merger Agreement
Incremental Common Shares Attributable to Share-based Payment Arrangements, Total
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements
Common stock equivalents arising from stock options and restricted stock awards
Noncontrolling interest acquired
Noncontrolling Interest, Increase from Business Combination
Costs and estimated earnings in excess of billings on uncompleted contracts
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Current Assets Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Current Assets Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts
Interest Income (Expense), Net, Total
Interest Income (Expense), Operating
Net income (loss) attributable to CECO Environmental Corp.
ConsiderationReceivedPerShare
ConsiderationReceivedPerShare
Consideration Received (Per Share)
Contract with customer asset, increase decrease in cost in excess of billing on uncompleted contract.
Contract With Customer Asset Increase Decrease In Cost In Excess Of Billing On Uncompleted Contract
Costs and estimated earnings in excess of billings on uncompleted contracts
Inventory Valuation Reserves, Ending Balance
Inventory Valuation Reserves, Beginning Balance
Inventory Valuation Reserves
Obsolescence allowance
Business Combination, Recognized Asset Acquired, Asset [Abstract]
Assets
Total accounts receivable, net
Accounts Receivable, after Allowance for Credit Loss, Current
Accounts receivable, net of allowances
Accounts receivable, net of allowances of $7,834 and $9,866
Accounts receivable
Consolidation Items [Domain]
Consolidation Items
Other Assets, Total
Other Assets
Other Assets
Other Assets
Gain (Loss) on Sale of Project
Pre tax gain on sale of business
Land, Buildings and Improvements [Member]
Land, Building and Improvements
Payment of customary closing fees.
Payment Of Customary Closing Fees
Customary closing fees
Employee-related Liabilities, Current, Total
Employee-related Liabilities, Current
Compensation and related benefits
Defined benefit plan contributions
Defined Benefit Plan, Plan Assets, Contributions by Employer
Intangible Asset, Including Goodwill, Impairment Loss
Intangible Asset, Including Goodwill, Impairment Loss, Total
Impairment
Intangible asset impairment
Earnings Per Share [Abstract]
(Loss) earnings per share:
Earnings per share:
Gain (Loss) on Sales of Loans, Net, Total
Gain (Loss) on Sales of Loans, Net
Net sales
Other Operating Income (Expense), Net
Other operating expense (income)
Other operating expense (income)
Contract receivable retainage1.
Contract Receivable Retainage1
Amount billed but not received under retainage provisions in contracts
Intangible Asset, Finite-Lived, Estimated Amortization Expense, after Year Five
Amortization expense of finite life intangibles thereafter
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Long-Lived Asset [Table Text Block]
Long-Lived Assets By Geographic Area
Subsequent Event Type [Axis]
Pounds Sterling [Member]
Pounds Sterling Member
Pounds Sterling [Member]
Additional Payments of Contingent Consideration Related to Acquisitions Financing Activities
Additional Payments of Contingent Consideration Related to Acquisitions Financing Activities
Earnout payments
Accounts Receivable, Allowance for Credit Loss, Current
Allowance for doubtful accounts
Provision for credit losses
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Cash flows from financing activities:
Intangible Asset, Including Goodwill, after Accumulated Amortization
Intangible Assets, Net (Including Goodwill), Total
Goodwill and Intangible Assets Related to EFM JV
Amortization of Debt Discount (Premium)
Debt discount amortization
Restricted stock units issued
Restricted stock units issued
Restricted stock units issued
Cash held outside domestic territory.
Cash Held Outside Domestic Territory
Cash held outside United States, principally in Netherlands, United Kingdom, China, and Canada
Subsegments Consolidation Items [Domain]
Subsegments Consolidation Items
Entity Tax Identification Number
Entity Tax Identification Number
Treasury Stock, Common, Shares
Treasury stock, shares
Goodwill, Impairment
Goodwill, Impairment Loss
Goodwill, Impairment
Equity Component [Domain]
Equity Component
Indefinite-lived Intangible Assets (Excluding Goodwill), Total
Intangible Asset, Excluding Goodwill, Indefinite-Lived
Intangible assets – indefinite life
Tradename, balance at end of period
Tradename, balance at beginning of period
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Comprehensive (loss) income
Entity Address, City or Town
Entity Address, City or Town
Foreign currency adjustments
Intangible Asset, Finite-Lived, Foreign Currency Translation Gain (Loss)
Foreign currency adjustments
Business Combination [Axis]
Business Acquisition
Intangible Asset, Finite-Lived [Line Items]
Finite-Lived Intangible Assets [Line Items]
Long-Term Debt, Maturity, Year One
Credit facility principal payments 2027
Income Taxes Paid, Net, Total
Income Tax Paid, after Refund Received
Income taxes
UNITED KINGDOM
GB
Contract with customer, liability increase decrease in billing in excess of cost of earnings.
Contract With Customer Liability Increase Decrease In Billing In Excess Of Cost Of Earnings
Billings in excess of costs and estimated earnings on uncompleted contracts
Segments [Domain]
Segments
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Inventory Write-down
Amounts credited to the allowance for obsolete inventory
Schedule of Debt [Table Text Block]
Summary of Debt
Entity [Domain]
Intangible Asset and Goodwill [Text Block]
Goodwill and Intangible Assets
Earnings and dividends per share.
Earnings And Dividends Per Share [Abstract]
Bonus depreciation deduction
Bonus Depreciation Deduction
Bonus Depreciation Deduction
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Denominator
Earnout payments.
Earnout Payments
Earnout Payments
Business Combination, Consideration Transferred, Equity Interest [Line Items]
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Weighted average number of common shares outstanding:
Contract with Customer, Liability, Current
Billings in excess of costs and estimated earnings on uncompleted contracts
Other Litigations [Member]
Other Litigations [Member]
Other Litigations [Member]
Liability, Defined Benefit Pension Plan, Noncurrent
Unfunded liability plans
Statement [Table]
Statement [Table]
Share-Based Payment Arrangement, Expense
Recognized share-based compensation awards
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Pre tax loss
Income before income taxes
(Loss) income before income taxes
Entity Shell Company
Entity Shell Company
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Net cash (used in) provided by investing activities
Statement [Line Items]
Statement [Line Items]
Contract Liabilities Recognized As Revenue
Contract Liabilities Recognized As Revenue
Contract liabilities recognized as revenue
Canadian Dollar [Member]
Canadian Dollar Member
Canadian Dollar [Member]
Maximum [Member]
Maximum
Prepaid expenses and other current assets
Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current
Debt Disclosure [Abstract]
Increase (Decrease) in Other Operating Liabilities, Total
Increase (Decrease) in Other Operating Liabilities
Other liabilities
Business Combination [Domain]
Business Acquisition, Acquiree
Business Combination, Voting Equity Interest Acquired, Percentage
Acquisition of equity
Open Tax Year
Open tax years
Debt Instrument, Redemption, Period [Domain]
Debt Instrument, Redemption, Period
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Weighted-average fair value of restricted stock unit granted
Foreign currency translation adjustment.
Foreign Currency Translation Adjustment [Member]
Foreign Currency Adjustments [Member]
Assets, Current [Abstract]
Current assets:
Debt Issuance Costs, Net
Debt Issuance Costs, Net, Total
Customary closing and underwriting fees
Professional fees
Accrued Professional Fees, Current
Intangible Asset, Excluding Goodwill, Impairment Loss
Intangible Asset, Excluding Goodwill, Impairment Loss, Total
Tradename, Impairment
Weighted-average risk free interest rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Risk-Free Interest Rate
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Risk-Free Interest Rate
Netherlands facility.
Netherlands Facility [Member]
Netherlands Facility [Member]
Related Party Transaction [Domain]
Line Of Credit [Member]
Line of Credit [Member]
Shareholders Equity [Member]
Shareholders Equity [Member]
Shareholders' Equity [Member]
Document Fiscal Year Focus
Document Fiscal Year Focus
Schedule Of Fair Value Of Financial Instruments [Table]
Schedule Of Fair Value Of Financial Instruments [Table]
Schedule Of Fair Value Of Financial Instruments [Table]
Gain (Loss) on Disposition of Business
Gain on sale of Global Pump Solutions business
Common Stock, Shares, Outstanding, Ending Balance
Common Stock, Shares, Outstanding, Beginning Balance
Common Stock, Shares, Outstanding
Common Stock, shares outstanding
Beginning Balance
Equity, Including Portion Attributable to Noncontrolling Interest
Ending Balance
Total shareholders' equity
Effect of Fourth Quarter Events, Type [Domain]
Accrued expenses
Accrued expenses
Accrued Liabilities, Total
Accrued Liabilities
Write-offs
Accounts Receivable, Allowance for Credit Loss, Writeoff
Global Pump Solutions [Member]
Global Pump Solutions [Member]
Financial Instruments [Domain]
Statement of Comprehensive Income [Abstract]
Accounts Payable, Trade, Current
Accounts payable and accrued expenses related to EFM JV
Business Combination [Line Items]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred
Fair value of All-Cash Consideration
Total preliminary consideration transferred
Total preliminary consideration transferred
Forecast [Member]
Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent
Other liabilities assumed
Other liabilities assumed
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Indefinite-Lived
Acquired intangible assets
Secured Overnight Financing Rate (SOFR) [Member]
Secured Overnight Financing Rate (SOFR) [Member]
Deferred Foreign Income Tax Expense (Benefit)
Deferred foreign income taxes
Operating Lease, Liability, Noncurrent
Operating lease liabilities
Accrued liabilities
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Current Liabilities Accrued Liabilities
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Current Liabilities Accrued Liabilities
Intangible Asset, Finite-Lived [Table Text Block]
Intangible Assets - Finite Life
Subsidiary, Ownership Percentage, Parent
Equity Ownership Percentage
Tradename, Divestiture
Indefinite Lived Intangible Assets Divestiture
Indefinite Lived Intangible Assets Divestiture
Additional Paid in Capital, Common Stock, Ending Balance
Additional Paid in Capital, Common Stock, Beginning Balance
Additional Paid in Capital, Common Stock
Capital in excess of par value
Security Exchange Name
Security Exchange Name
Revenues
Revenues, Total
Revenues
Revenues Related to EFM JV
Potentially dilute earnings per share
Potentially dilute earnings per share
Potentially dilute earnings per share
New Accounting Pronouncements, Policy [Policy Text Block]
Accounting Standards Adopted in Fiscal 2026
Debt Instrument, Redemption, Period Two [Member]
Through December 31, 2030 [Member]
Entity Address, State or Province
Entity Address, State or Province
Related Party Transaction, Amounts of Transaction
Transaction costs
Accounts Receivable, after Allowance for Credit Loss
Accounts Receivable, after Allowance for Credit Loss, Total
Accounts receivable, net
Line of Credit Facility, Periodic Payment
Payments Credit Facility
Disclosure Text Block [Abstract]
Operating Lease, Right-of-Use Asset
Right-of-use assets from operating leases
Business Combination, Contingent Consideration, Type [Axis]
Amendment Flag
Amendment Flag
Loss Contingencies [Table]
Selling expense
Selling Expense
Share-Based Payment Arrangement [Text Block]
Share-Based Compensation
Impairment Effects on Earnings Per Share [Table]
Increasing term loan principal installments
Debt Instrument, Increase (Decrease), Net
Debt Instrument, Increase (Decrease), Net, Total
Debt Instrument [Axis]
Debt Instrument
Other Nonoperating Income (Expense)
Other Nonoperating Income (Expense), Total
Other (income) expense, net
Other loss (income)
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill
Net assets acquired
Net assets acquired
Aggregate principal amount, Term loan
Other Long-Term Debt, Current
Fair value of noncontrolling interest equity (see Note 14)
Fair value of noncontrolling interest equity (see Note 14)
Equity, Fair Value Adjustment
Fair value foreign currency adjustments
City Area Code
City Area Code
Thermal Solutions Segment [Member]
Thermal Solutions [Member]
Thermal Solutions [Member]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Liability for Uncertainty in Income Taxes, Noncurrent
Liability for uncertain tax positions
Accounts and Financing Receivables [Table]
Schedule Of Accounts Notes Loans And Financing Receivable [Table]
Foreign currency translation (loss) gain
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent, Total
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent
Translation gain
Foreign currency translation (loss) gain
Inventory Disclosure [Text Block]
Inventories
Debt Instrument, Redemption, Period [Axis]
Debt Instrument, Redemption, Period
Other Liabilities
Other Liabilities, Total
Other liabilities assumed
Other liabilities assumed
Retirement Benefits [Text Block]
Pension and Employee Benefit Plans
Income (Loss) from Continuing Operations, Per Outstanding Share, Total
Income (Loss) from Continuing Operations, Per Basic Share
Basic
Common Stock, Par or Stated Value Per Share
Common stock, par value
Legal Entity [Axis]
Loss Contingency, Pending Claims, Number, Ending Balance
Loss Contingency, Pending Claims, Number, Beginning Balance
Loss Contingency, Pending Claims, Number
Number of claims pending
Other Loans Payable, Long-Term, Noncurrent
Term loan
Short-Term Debt, Type [Domain]
Liabilities, Current
Total current liabilities
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization
Property, Plant and Equipment, Gross, Ending Balance
Property, Plant and Equipment, Gross, Beginning Balance
Property, Plant and Equipment, Gross, Total
Property and equipment
Property and equipment
Business Combination, Contingent Consideration, Type [Domain]
Other Additional Capital
Other additional amount
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
Cash, cash equivalents and restricted cash at end of period
Cash, cash equivalents and restricted cash at beginning of period
Gain on Sale of Global Pump Solution Business
Gain on Sale of Global Pump Solution Business
Gain on sale of Global Pump Solutions business
Segment Reporting [Text Block]
Business Segment Information
Unrealized Gain (Loss), Foreign Currency Transaction, before Tax
Unrealized foreign currency loss (gain)
Long-Term Debt, Maturity, Year Four
Credit facility principal payments 2030
Trading Symbol
Trading Symbol
Geographical [Axis]
Provision recovery for credit loss
Provision recovery for credit loss
Changes to the provision
(Recovery) allowance for credit loss
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Number of restricted stock awards granted
Entity Emerging Growth Company
Entity Emerging Growth Company
Additional Paid-in Capital [Member]
Capital in Excess of Par Value [Member]
Divestiture [Abstract]
Divestiture [Abstract]
Receivables [Abstract]
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture, Total
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture
Share based compensation earned, Shares
Intangible Asset, Indefinite-Lived, Foreign Currency Translation, Gain (Loss)
Tradename, foreign currency translation
Other Liabilities, Noncurrent, Total
Other Liabilities, Noncurrent
Other liabilities
Asbestos Issue [Member]
Asbestos Issue [Member]
Plan Assets Balance
Defined Benefit Plan, Funded (Unfunded) Status of Plan
Defined Benefit Plan, Funded (Unfunded) Status of Plan, Total
Notes Payable Current1
Notes Payable Current is the part of Total Debt
Notes payable
Business Combination [Table]
Schedule Of Business Acquisitions By Acquisition [Table]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
Income taxes payable
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Current Liabilities Income Taxes Payable
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Current Liabilities Income Taxes Payable
Cover [Abstract]
Defined Benefit Plan, Interest Cost
Interest cost
Segment Reporting, Other Segment Item, Amount
Other income
Other profit or loss
Share value of cash and stock consideration
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Value
Consideration in the form of CECO's Common Stock
Accounts receivable
Accounts Receivable, before Allowance for Credit Loss, Current
Investment Company, Senior Security, Indebtedness, Asset Coverage Ratio
Consolidated Fixed Charge Coverage Ratio
Non-controlling interest
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance
Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance
Stockholders' Equity Attributable to Noncontrolling Interest, Total
Equity, Attributable to Noncontrolling Interest
Contingent Consideration Classified as Equity, Fair Value Disclosure
All-Cash Consideration
Contract Assets and Liabilities
Schedule of Regulatory Assets and Liabilities [Text Block]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated other comprehensive loss
Amortization of Intangible Assets, Total
Intangible Asset, Finite-Lived, Amortization Expense
Amortization expense of finite life intangible assets
Amortization expense
Stock Issued During Period, Value, Acquisitions
Issuance of common stock in connection with business combinations, Amount
Cash Issued to Maximum Aggregate Stock Shares
Share-based Payment Arrangement, Noncash Expense, Total
Share-Based Payment Arrangement, Noncash Expense
Share-based compensation expense
Share-based compensation
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Fair Value Disclosures [Abstract]
Cash and Cash Equivalents, at Carrying Value, Ending Balance
Cash and Cash Equivalents, at Carrying Value, Beginning Balance
Cash and Cash Equivalents, at Carrying Value, Total
Cash and Cash Equivalent
Cash and cash equivalents
Cash and cash equivalents
Payments of Debt Issuance Costs
Debt issuance costs
Share Repurchase Program, Remaining Authorized, Amount
Purchase of outstanding shares of common stock
Noncontrolling Interest [Member]
Noncontrolling Interest [Member]
Payments for (Proceeds from) Businesses and Interest in Affiliates
Payments for (Proceeds from) Businesses and Interest in Affiliates, Total
Net cash proceeds for sale of Global Pump Solutions business
Finite life intangible assets impairment charge
Finite Life Intangible Asset Impairment
Finite Life Intangible Asset Impairment
Impairment
Senior secured term loan.
Senior Secured Term Loan [Member]
Term Loan [Member]
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Net cash provided by financing activities
Debt Instrument, Redemption, Period One [Member]
Through June 30, 2028 [Member]
Intangible Asset, Finite-Lived, Amortization Expense [Table Text Block]
Summary of Finite Lived Intangible Assets Activities
Accounts payable
Business Combination, Recognized Liability Assumed, Accounts Payable, Current
Accounting Changes and Error Corrections [Abstract]
Payables and Accruals [Abstract]
Proceeds from Stock Plans
Cash received from employee stock option exercised
Trade Accounts Receivable [Member]
Trade Accounts Receivable [Member]
Entity Filer Category
Entity Filer Category
Outstanding borrowing under the joint venture term debt
Warehouse Agreement Borrowings
Warehouse Agreement Borrowings, Total
Debt Instrument, Name [Domain]
Debt Instrument, Name
Leverage ratio step downs
Banking Regulation Supplementary Leverage Ratio Well Capitalized
Banking Regulation Supplementary Leverage Ratio Well Capitalized
Increase (Decrease) in Accounts Receivable
Accounts receivable
Account receivable
Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One
Amortization expense of finite life intangibles for 2027
Property, Plant and Equipment, Net, Ending Balance
Property, Plant and Equipment, Net, Beginning Balance
Property, Plant and Equipment, Net, Total
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization
Property, plant and equipment, net
Revenue from Contract with Customer, Excluding Assessed Tax, Total
Revenue from Contract with Customer, Excluding Assessed Tax
Total consolidated sales
Net sales
Amortization and earnout expenses
Amortization and earnout expenses
Amortization expense
Loss Contingency, Management's Assessment and Process
Assessment regarding Loss contingency impact Description
Ending Balance, Shares
Shares, Outstanding
Beginning Balance, Shares
Inventory Disclosure [Abstract]
Banking Regulation, Supplementary Leverage Ratio, Actual
Banking Regulation, Supplementary Leverage Ratio
Technology [Member]
Technology [Member]
Technology
Goodwill, Divestitures
Goodwill, Divestiture
Goodwill, Divestitures
Income Taxes [Table]
Income Taxes [Table]
Income Taxes [Table]
Segment Reporting [Abstract]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Statement of Financial Position [Abstract]
Local Phone Number
Local Phone Number