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Basis of Reporting for Consolidated Financial Statements - Additional Information (Detail) - Peerless Propulsys [Member] | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Dec. 31, 2015
Basis Of Presentation And Principles Of Consolidation [Line Items] |  |
Noncontrolling Interest, Ownership Percentage by Parent | 60.00% |
Percentage of ownership by parent in net income loss | 80.00% |
CECO Group Global Holdings LLC |  | 100.00%

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- Definition Basis Of Presentation And Principles Of Consolidation [Line Items] + References No definition available. + Details
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- Definition Consolidation wholly owned subsidiaries ownership percentage by parent. + References No definition available. + Details
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- Definition Percentage of ownership by parent in net income loss. + References No definition available. + Details
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Namespace Prefix: | cece_
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |