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Discontinued Operations - Additional Information (Detail) | 9 Months Ended
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Sep. 30, 2014 Campus
Discontinued Operations and Disposal Groups [Abstract] |
Number of campuses completed teach out activities | 3
Lease expiration year | 2020

X
- Definition The latest lease expiration of all leases related to discontinued operations. + References No definition available. + Details
Name: | ceco_DiscontinuedOperationsLeaseExpirationYear
Namespace Prefix: | ceco_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of campuses which completed their teach-out activities for the reporting period. + References No definition available. + Details
Name: | ceco_NumberOfCampusesWhichCompletedTeachOut
Namespace Prefix: | ceco_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration