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Student Receivables - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2012 | Dec. 31, 2012 | Dec. 31, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |
Student receivables write-off period, days past due |  | Greater than 90 days |
Delayed receipt amount | $ 24.3 |  |
Student receivables, net of allowance for doubtful accounts and net of deferred tuition revenue |  | 4.3 | 6.1
Outstanding net recourse loan receivable |  | $ 2.5 | $ 3.2

X
- Definition The amount of net student receivables incurred or expected to be incurred as a result of extended payment plan financing. + References No definition available. + Details
Name: | ceco_AmountOfNetStudentReceivablesRelatedToExtendedPaymentPlans
Namespace Prefix: | ceco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The aggregate value of amounts due from customers related to the recourse loan program. + References No definition available. + Details
Name: | ceco_OutstandingNetRecourseLoanReceivableNoncurrent
Namespace Prefix: | ceco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of days at which a student receivable balance is generally written off to collections. + References No definition available. + Details
Name: | ceco_StudentReceivablesWrittenOffPeriod
Namespace Prefix: | ceco_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of funds held back for Title IV disbursement purposes. + References No definition available. + Details
Name: | ceco_TitleIvDisbursementHoldBackAmount
Namespace Prefix: | ceco_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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