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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