XML 40 R28.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Description of the Company - Additional Information (Detail) | Sep. 30, 2018 University
--- | ---
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Number of universities | 2

X
- Definition The total number of University segments comprised of University group. + References No definition available. + Details
Name: | ceco_NumberOfUniversities
Namespace Prefix: | ceco_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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