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v2.4.1.9

Segment Reporting - Additional Information (Detail) | Dec. 31, 2014
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CTU [Member] |
Sales Information [Line Items] |
Students enrolled expressed as percentage of enrollment | 49.00%ceco_PercentageOfStudentEnrollment / us-gaap_StatementBusinessSegmentsAxis = ceco_CtuMember
AIU [Member] |
Sales Information [Line Items] |
Students enrolled expressed as percentage of enrollment | 28.00%ceco_PercentageOfStudentEnrollment / us-gaap_StatementBusinessSegmentsAxis = ceco_AiuMember
Career Colleges [Member] |
Sales Information [Line Items] |
Students enrolled expressed as percentage of enrollment | 21.00%ceco_PercentageOfStudentEnrollment / us-gaap_StatementBusinessSegmentsAxis = ceco_CareerCollegesMember
Fully Online [Member] | CTU [Member] |
Sales Information [Line Items] |
Percentage of enrollment | 90.00%ceco_PercentageOfEnrollment / us-gaap_ProductOrServiceAxis = ceco_FullyOnlineProgramMember / us-gaap_StatementBusinessSegmentsAxis = ceco_CtuMember
Fully Online [Member] | AIU [Member] |
Sales Information [Line Items] |
Percentage of enrollment | 90.00%ceco_PercentageOfEnrollment / us-gaap_ProductOrServiceAxis = ceco_FullyOnlineProgramMember / us-gaap_StatementBusinessSegmentsAxis = ceco_AiuMember
Fully Online [Member] | Career Colleges [Member] |
Sales Information [Line Items] |
Percentage of enrollment | 15.00%ceco_PercentageOfEnrollment / us-gaap_ProductOrServiceAxis = ceco_FullyOnlineProgramMember / us-gaap_StatementBusinessSegmentsAxis = ceco_CareerCollegesMember

X
- Definition Percentage Of Enrollment + References No definition available. + Details
Name: | ceco_PercentageOfEnrollment
Namespace Prefix: | ceco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of student enrollment for a specific group of the total entity. + References No definition available. + Details
Name: | ceco_PercentageOfStudentEnrollment
Namespace Prefix: | ceco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ceco_SalesInformationLineItems
Namespace Prefix: | ceco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ProductOrServiceAxis=ceco_FullyOnlineProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ceco_AiuMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ceco_CareerCollegesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ceco_CtuMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |