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Dispositions - Additional Information (Detail) | 3 Months Ended
--- | ---
Sep. 30, 2015 USD ($)
Discontinued Operations And Disposal Groups [Abstract] |
Total consideration to sale agreement | $ 0
Loss on sale of business | $ (900,000)

X
- Definition Gain (loss) on sale of business from current quarter close. + References No definition available. + Details
Name: | ceco_GainLossOnSaleOfBusinessFromCurrentQuarterClose
Namespace Prefix: | ceco_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total amount of consideration pursuant to the Purchase Agreement prior to distributions and adjustments. + References No definition available. + Details
Name: | ceco_SaleAgreementAmount
Namespace Prefix: | ceco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration