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Goodwill and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Detail) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2014
Goodwill [Line Items] |  |  |  |  |
Goodwill, beginning balance | $ 87,356,000 us-gaap_Goodwill | [1] |  |  | $ 87,356,000 us-gaap_Goodwill
Goodwill impairment |  |  | (74,600,000)us-gaap_GoodwillImpairmentLoss |  |
Goodwill ending balance | 87,356,000 us-gaap_Goodwill |  | 87,356,000 us-gaap_Goodwill | [1] | 87,356,000 us-gaap_Goodwill
CTU [Member] |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill, beginning balance | 45,938,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ceco_CtuMember | [1] |  |  | 45,938,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ceco_CtuMember
Goodwill impairment |  |  |  |  |
Goodwill ending balance | 45,938,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ceco_CtuMember |  |  |  | 45,938,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ceco_CtuMember
AIU [Member] |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill, beginning balance | 41,418,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ceco_AiuMember | [1] |  |  | 41,418,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ceco_AiuMember
Goodwill impairment |  |  |  |  |
Goodwill ending balance | 41,418,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ceco_AiuMember |  |  |  | 41,418,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ceco_AiuMember
Career Colleges [Member] |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill, beginning balance |  | [1] |  |  |
Goodwill impairment |  |  |  |  |
Goodwill ending balance |  |  |  |  |
Transitional Schools [Member] |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill, beginning balance |  | [1] |  |  |
Goodwill impairment |  |  |  |  |
Goodwill ending balance |  |  |  |  |
[1] | Goodwill impairments of approximately $74.6 million were recorded during the year ended December 31, 2012.

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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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