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Discontinued Operations - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2014 Campus	Jun. 30, 2014 Campus
Discontinued Operations And Disposal Groups [Abstract]
Number of campuses completed teach out activities	8	8
Number of campus sold	2
Remaining lease obligations	$ 3.7	$ 3.7
Net loss on sale of business	$ 0.3
Lease expiration year		2020

X

- Definition

The latest lease expiration of all leases related to discontinued operations.

+ References

No definition available.

+ Details

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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

X

- Definition

The number of campuses sold during the reporting period.

+ References

No definition available.

+ Details

Name:	ceco_NumberOfCampusSold
Namespace Prefix:	ceco_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of remaining lease obligations associated with campuses that were sold and which liability is now assumed by the buyers of the campuses.

+ References

No definition available.

+ Details

Name:	ceco_RemainingLeaseObligationRelatedToSoldCampuses
Namespace Prefix:	ceco_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

+ Details

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Data Type:	xbrli:monetaryItemType
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- Details

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