XML 73 R61.htm IDEA: XBRL DOCUMENT
v3.19.2

Segment Reporting - Summary Financial Information by Reporting Segment (Parenthetical) (Detail) $ in Millions | Jun. 30, 2019 USD ($)
--- | ---
CTU [Member] |
Segment Reporting Information [Line Items] |
Settlement reserve | $ 18.6
AIU [Member] |
Segment Reporting Information [Line Items] |
Settlement reserve | $ 11.4

X
- Definition Settlement reserve. + References No definition available. + Details
Name: | ceco_SettlementReserve
Namespace Prefix: | ceco_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsegmentsAxis=ceco_CTUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsegmentsAxis=ceco_AIUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |