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Goodwill and Intangible Assets - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Schedule Of Goodwill And Other Intangible Assets [Line Items] |  |  |
Aggregate amount of goodwill acquired | $ 184,600,000 us-gaap_GoodwillGross |  |
Aggregate amount of impairment | 17,100,000 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss |  |
Assessment of qualitative factors of goodwill | As a result of the assessment of these qualitative factors, with the exception of four reporting units, the Company has concluded that it is more likely than not that the fair values of the reporting units with goodwill as of December 31, 2014 exceed the carrying values of these units. |  |
Goodwill | 167,547,000 us-gaap_Goodwill | 134,062,000 us-gaap_Goodwill | 19,548,000 us-gaap_Goodwill
Indefinite-Lived Intangible Assets | 19,766,000 us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill | 18,419,000 us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill | 3,526,000 us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Amortization expense of finite life intangible assets | 7,600,000 us-gaap_AmortizationOfIntangibleAssets | 4,700,000 us-gaap_AmortizationOfIntangibleAssets | 300,000 us-gaap_AmortizationOfIntangibleAssets
Amortization expense of finite life intangibles for 2015 | 10,500,000 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths |  |
Amortization expense of finite life intangibles for 2016 | 9,200,000 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo |  |
Amortization expense of finite life intangibles for 2017 | 7,900,000 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree |  |
Amortization expense of finite life intangibles for 2018 | 6,300,000 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour |  |
Amortization expense of finite life intangibles for 2019 | 5,200,000 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive |  |
Reporting Unit One [Member] |  |  |
Schedule Of Goodwill And Other Intangible Assets [Line Items] |  |  |
Goodwill | 105,400,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = cece_ReportingUnitOneMember |  |
Reporting Unit Two [Member] |  |  |
Schedule Of Goodwill And Other Intangible Assets [Line Items] |  |  |
Indefinite-Lived Intangible Assets | $ 13,500,000 us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = cece_ReportingUnitTwoMember |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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