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Shareholders' Equity - Additional Information (Detail) (USD $)
 0 Months Ended 12 Months Ended
Aug. 13, 2012
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Class of Stock [Line Items]        
Issuance of common stock Dividend Reinvestment Plan   100,000,000us-gaap_CommonStockSharesAuthorized 100,000,000us-gaap_CommonStockSharesAuthorized  
Quarterly dividend declared per share $ 0.066us-gaap_DividendsPayableAmountPerShare      
Dividend payable date Mar. 31, 2015      
Dividend recorded date Mar. 19, 2015      
Number of stock option granted   280,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross 923,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross 163,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Number of stock awards granted   0cece_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedInPeriod 0cece_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedInPeriod 0cece_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedInPeriod
Number of performance-based awards outstanding   0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
Share-based compensation expense   $ 1,700,000us-gaap_AllocatedShareBasedCompensationExpense $ 1,100,000us-gaap_AllocatedShareBasedCompensationExpense $ 700,000us-gaap_AllocatedShareBasedCompensationExpense
Equity compensation expense capitalized in inventory or fixed assets   0cece_EquityCompensationExpenseCapitalizedInInventoryOrFixedAssets    
Tax benefit related to stock based compensation expense   200,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 300,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 0us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
Employees offering dates intervals   6 months    
Employee stock purchase plan expense   19,000,000cece_EmployeeStockPurchasePlanExpense 19,000,000cece_EmployeeStockPurchasePlanExpense 16,000,000cece_EmployeeStockPurchasePlanExpense
Contributions to the employees' stock ownership trust in cash   0us-gaap_EmployeeStockOwnershipPlanESOPCashContributionsToESOP 0us-gaap_EmployeeStockOwnershipPlanESOPCashContributionsToESOP 0us-gaap_EmployeeStockOwnershipPlanESOPCashContributionsToESOP
Contributions to the employees' stock ownership trust in shares   0us-gaap_EmployeeStockOwnershipPlanESOPSharesContributedToESOP 0us-gaap_EmployeeStockOwnershipPlanESOPSharesContributedToESOP 0us-gaap_EmployeeStockOwnershipPlanESOPSharesContributedToESOP
Weighted-average fair value of stock options granted   $ 6.48us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue $ 6.18us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue $ 3.81us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Expected Volatility Rate   55.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate 57.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate 60.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate
Expected Term Period   6 years 3 months 18 days 6 years 6 months 6 years 2 months 12 days
Risk-Free Interest Rate   2.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate 2.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate 1.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Expected dividend rate   1.70%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate 1.60%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate 1.90%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Cash received from employee stock option exercised   1,200,000us-gaap_ProceedsFromStockPlans 1,400,000us-gaap_ProceedsFromStockPlans 200,000us-gaap_ProceedsFromStockPlans
Intrinsic value of option exercised   2,400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue 2,700,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue 100,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
Warrants issued to acquire Icarus Share   250,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights    
Warrants exercise price   $ 9.07us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1    
Warrants expiration date   Dec. 26, 2016    
Share purchased   61,500us-gaap_StockRepurchasedAndRetiredDuringPeriodShares 180,000us-gaap_StockRepurchasedAndRetiredDuringPeriodShares 63,000us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Aggregate value transaction value of share purchased   973,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue 2,365,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue 456,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
Market price per share     $ 13.14us-gaap_SharePrice  
Stock repurchase program, amount authorized to be repurchased       500,000us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Stock repurchase program, period over which shares may be repurchased       18 months
Conversion of debt to equity       9,600,000us-gaap_DebtConversionConvertedInstrumentAmount1
Common stock outstanding owned by certain controlling interests, minimum       10.00%cece_CommonStockOutstandingPercentageOwnedByCertainControllingInterests
Convertible Promissory Notes [Member]        
Class of Stock [Line Items]        
Conversion of debt to equity       9,600,000us-gaap_DebtConversionConvertedInstrumentAmount1
/ us-gaap_StatementEquityComponentsAxis
= cece_ConvertiblePromissoryNotesMember
Common Stock [Member]        
Class of Stock [Line Items]        
Share purchased   62,000us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 180,000us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 63,000us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
Aggregate value transaction value of share purchased   1,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 2,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		  
Conversion of debt to equity, Shares       2,400,000us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
Dividend Reinvestment Plan [Member]        
Class of Stock [Line Items]        
Issuance of common stock Dividend Reinvestment Plan 750,000us-gaap_CommonStockSharesAuthorized
/ us-gaap_PlanNameAxis
= cece_DividendReinvestmentPlanMember		      
2007 Plan [Member]        
Class of Stock [Line Items]        
Number of stock option granted   280,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_PlanNameAxis
= cece_TwoThousandSevenPlanMember		 923,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_PlanNameAxis
= cece_TwoThousandSevenPlanMember		  
Number of shares reserved for issuance   2,600,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= cece_TwoThousandSevenPlanMember		    
Shares available for future grant   309,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= cece_TwoThousandSevenPlanMember		    
Non Employee Stock Option [Member] | 2007 Plan [Member] | Minimum [Member]        
Class of Stock [Line Items]        
2007 stock options or stock awards, vesting period   1 year    
Non Employee Stock Option [Member] | 2007 Plan [Member] | Maximum [Member]        
Class of Stock [Line Items]        
2007 stock options or stock awards, vesting period   3 years    
Employee Stock Option [Member] | 2007 Plan [Member] | Minimum [Member]        
Class of Stock [Line Items]        
2007 stock options or stock awards, vesting period   3 years    
Employee Stock Option [Member] | 2007 Plan [Member] | Maximum [Member]        
Class of Stock [Line Items]        
2007 stock options or stock awards, vesting period   5 years    
Employee Stock Option [Member] | Awards Subject to Service Requirements [Member] | Maximum [Member]        
Class of Stock [Line Items]        
2007 stock options or stock awards, vesting period   3 years    
Restricted Stock [Member]        
Class of Stock [Line Items]        
Unrecognized compensation expense related to stock options and restricted stock   $ 5,400,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		    
Weighted average vesting period   4 years    
Restricted Stock [Member] | 2007 Plan [Member]        
Class of Stock [Line Items]        
Number of restricted stock awards granted   6,000us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= cece_TwoThousandSevenPlanMember		    
Restricted Stock [Member] | 2007 Plan [Member]        
Class of Stock [Line Items]        
Restricted stock awards outstanding   6,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= cece_TwoThousandAndSevenPlanMember		 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= cece_TwoThousandAndSevenPlanMember		 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= cece_TwoThousandAndSevenPlanMember
Employee Stock Purchase Plan [Member]        
Class of Stock [Line Items]        
Number of shares authorized in employee stock purchase plan   1,500,000cece_EmployeeStockPurchasePlanNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= cece_EmployeeStockPurchasePlanMember		    
Employee stock purchase plan period   10 years    
Discount from market price   15.00%cece_EmployeeStockPurchasePlanDiscountFromMarketPrice
/ us-gaap_AwardTypeAxis
= cece_EmployeeStockPurchasePlanMember