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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2014
Campus
Segment
Dec. 31, 2013
Dec. 31, 2012
Accounting Policies [Line Items]      
Number of Reporting Segments 4us-gaap_NumberOfReportableSegments    
Number of teach out campuses sold 2ceco_NumberOfCampusSold    
Number of additional campuses 21ceco_NumberOfCampusesWhichCompletedTeachOut    
Decrease in Revenue $ 9,400,000ceco_CumulativeAdjustmentEffectOfChangeOnNetRevenue    
Expense for bad debts 7,500,000ceco_CumulativeAdjustmentEffectOfChangeOnBadDebtExpense    
Loss from Continuing Operations 1,900,000ceco_CumulativeAdjustmentEffectOfChangeOnLossFromContinuingOperations    
Loans disbursed under Credit Agreement secured by cash, percentage 100.00%ceco_PercentageOfCashCollateralForSecuritization    
Restricted cash and cash Equivalents 22,938,000us-gaap_RestrictedCashAndInvestmentsCurrent 12,564,000us-gaap_RestrictedCashAndInvestmentsCurrent  
Certificates of Deposit, at Carrying Value 12,900,000us-gaap_CertificatesOfDepositAtCarryingValue 12,600,000us-gaap_CertificatesOfDepositAtCarryingValue  
Additional restricted cash for securitization 10,000,000ceco_RestrictedCashRelatedToSecuritizationOfBorrowings    
Number of days past due to write off student receivables Greater than 90 days    
Costs of other goods and services included in educational services and facilities expense 20,500,000ceco_CostsOfOtherGoodsAndServicesIncludedInEducationalServicesAndFacilitiesExpense 29,100,000ceco_CostsOfOtherGoodsAndServicesIncludedInEducationalServicesAndFacilitiesExpense 41,300,000ceco_CostsOfOtherGoodsAndServicesIncludedInEducationalServicesAndFacilitiesExpense
Advertising costs 212,400,000us-gaap_AdvertisingExpense 227,900,000us-gaap_AdvertisingExpense 247,200,000us-gaap_AdvertisingExpense
Maximum [Member]      
Accounting Policies [Line Items]      
Maturity period of Cash equivalents including short-term investments 90 days    
Career Colleges Segment [Member]      
Accounting Policies [Line Items]      
Number of campuses 3ceco_NumberOfCampusesAnnouncedForTeachOut
/ us-gaap_StatementBusinessSegmentsAxis
= ceco_CareerCollegesSegmentMember
   
Number of teach out campuses sold 1ceco_NumberOfCampusSold
/ us-gaap_StatementBusinessSegmentsAxis
= ceco_CareerCollegesSegmentMember
   
Transitional Group Segment [Member]      
Accounting Policies [Line Items]      
Number of teach out campuses sold 1ceco_NumberOfCampusSold
/ us-gaap_StatementBusinessSegmentsAxis
= ceco_TransitionalGroupSegmentMember
   
Transitional Group [Member]      
Accounting Policies [Line Items]      
Number of additional campuses 20ceco_NumberOfCampusesWhichCompletedTeachOut
/ us-gaap_StatementBusinessSegmentsAxis
= ceco_TransitionalGroupMember
   
Culinary Arts [Member]      
Accounting Policies [Line Items]      
Number of Campuses 16ceco_NumberOfCampuses
/ us-gaap_StatementBusinessSegmentsAxis
= ceco_CulinaryArtsMember
   
Cash Receipts [Member]      
Accounting Policies [Line Items]      
Percentage of cash receipts from Title IV Program funding 78.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= ceco_CashReceivedMember
78.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= ceco_CashReceivedMember
80.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= ceco_CashReceivedMember
Title IV Programs [Member]      
Accounting Policies [Line Items]      
Student fund portion in cash, cash equivalents, restricted cash and short term investments 12,200,000ceco_AmountsRelatedToStudentCreditBalanceHolds
/ us-gaap_BalanceSheetLocationAxis
= ceco_TitleFourFundsMember
   
Student Loans [Member]      
Accounting Policies [Line Items]      
decrease in student receivables $ 1,900,000ceco_CumulativeAdjustmentEffectOfChangeOnStudentReceivables
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= ceco_StudentLoansMember
   
Student Loans [Member] | Minimum [Member]      
Accounting Policies [Line Items]      
Student receivables period 1 year    
Student Loans [Member] | Current Assets [Member] | Maximum [Member]      
Accounting Policies [Line Items]      
Student receivables period 1 year    
Student Loans [Member] | Non Current Assets [Member] | Minimum [Member]      
Accounting Policies [Line Items]      
Student receivables period 1 year    
Student Loans [Member] | Non Current Assets [Member] | Maximum [Member]      
Accounting Policies [Line Items]      
Student receivables period 5 years