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Student Receivables - Additional Information (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Student receivables, net of allowance for doubtful accounts and net of deferred tuition revenue	$ 2.9	$ 2.9
Minimum [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Student receivables write-off period, days past due	90 days

X

- Definition

The amount of net student receivables incurred as a result of extended payment plan financing, net of deferred revenue and allowance for doubtful accounts as well as the aggregate value of amounts due from customers related to the recourse loan program.

+ References

No definition available.

+ Details

Name:	ceco_AmountOfNetStudentReceivablesRelatedToExtendedPaymentPlansAndRecourseLoans
Namespace Prefix:	ceco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- 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_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Threshold period past due for trade accounts receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_ThresholdPeriodPastDueForWriteoffOfTradeAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: