XML 42 R34.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Discontinued Operations - Additional Information (Detail) | 9 Months Ended
--- | ---
Sep. 30, 2013
Discontinued Operations And Disposal Groups [Abstract] |
Lease expiration year | 2019

X
- Definition Lease obligation expiration year + References No definition available. + Details
Name: | ceco_LeaseExpirationYear
Namespace Prefix: | ceco_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

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