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Subsequent Events - Additional Information (Detail) (USD $) | 3 Months Ended | 9 Months Ended | 3 Months Ended |  | 3 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2013 | Dec. 31, 2013 Subsequent Event [Member] | Oct. 31, 2013 Subsequent Event [Member] Campus | Dec. 31, 2013 Subsequent Event [Member] Minimum [Member] Forecast [Member] | Dec. 31, 2013 Subsequent Event [Member] Maximum [Member] Forecast [Member] | Oct. 31, 2013 Health Education [Member] Subsequent Event [Member] Campus | Oct. 31, 2013 Design & Technology [Member] Subsequent Event [Member] Campus
Subsequent Event [Line Items] |  |  |  |  |  |  |  |
Asset impairment charges and severance and related costs |  |  | $ 4,000,000 |  |  |  |  |
Number of additional Campuses |  |  |  | 5 |  |  | 3 | 2
Cash payment to pre-closing distribution and adjustment |  |  | 290,000,000 |  |  |  |  |
Expected gain on sale of pending transactions | $ (39,000) | $ (6,973,000) |  |  | $ 120,000,000 | $ 130,000,000 |  |

X
- Definition The expected increase of domestic cash related to the sale of certain schools. + References No definition available. + Details
Name: | ceco_AmountOfIncreaseInDomesticCashAssociatedWithSaleOfSchools
Namespace Prefix: | ceco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of schools announced for teachout. + References No definition available. + Details
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Namespace Prefix: | ceco_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The costs recorded as a result of the announced teachout of a campus, including severance and related costs and asset impairment charges. + References No definition available. + Details
Name: | ceco_TeachoutSchoolsSeveranceAndImpairmentCosts
Namespace Prefix: | ceco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment. + References No definition available. + Details
Name: | us-gaap_GainLossOnSaleOfBusiness
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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