XML 18 R55.htm IDEA: XBRL DOCUMENT v2.4.1.9
Debt (Schedule of First Lien Senior Secured Leverage Ratios) (Details) (Revolving Credit Facility [Member])
Mar. 31, 2015
Ratio Estimate If Fully Drawn [Member]  
Debt Instrument [Line Items]  
First lien secured leverage ratio 1.16ce_RatioOfSeniorSecuredDebtToAdjustedEbitda
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
/ ce_LeverageratioAxis
= ce_RatioEstimateIfFullyDrawnMember
Ratio Estimate [Member]  
Debt Instrument [Line Items]  
First lien secured leverage ratio 0.60ce_RatioOfSeniorSecuredDebtToAdjustedEbitda
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
/ ce_LeverageratioAxis
= ce_RatioEstimateMember
Ratio Maximum [Member]  
Debt Instrument [Line Items]  
First lien secured leverage ratio 3.90ce_RatioOfSeniorSecuredDebtToAdjustedEbitda
/ us-gaap_DebtInstrumentAxis
= us-gaap_RevolvingCreditFacilityMember
/ ce_LeverageratioAxis
= ce_RatioMaximumMember