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Business Segment Information - Property and Equipment Additions, Depreciation and Amortization and Identifiable Assets (Parenthetical) (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 USD ($)
Segment Reporting Information [Line Items] |
Non-cash additions for property, plant and equipment acquired under capital leases | $ 4,385
Fluid Handling and Filtration Segment [Member] |
Segment Reporting Information [Line Items] |
Non-cash additions for property, plant and equipment acquired under capital leases | $ 4,385

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- Definition The increase during the period in capital lease obligations due to entering into new capital leases. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
Name: | us-gaap_CapitalLeaseObligationsIncurred
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cece_FluidHandlingFiltrationSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |