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Effect of Derivative Instruments on Consolidated Statement of Operations and Comprehensive Income (Loss) (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Oct. 31, 2014
Oct. 25, 2013
Gain (loss) recognized in interest expense    
Derivative Instruments Gain Loss [Line Items]    
Interest rate swap contracts $ 0us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InterestExpenseMember
$ 1,058us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_InterestExpenseMember
Gain (loss) recognized in loss on extinguishment of debt    
Derivative Instruments Gain Loss [Line Items]    
Interest rate swap contracts 0us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_IncomeStatementLocationAxis
= esl_GainLossOnDebtExtinguishmentMember
2,918us-gaap_IncreaseDecreaseInFairValueOfHedgedItemInInterestRateFairValueHedge1
/ us-gaap_IncomeStatementLocationAxis
= esl_GainLossOnDebtExtinguishmentMember
Fair Value Hedging | Sales    
Derivative Instruments Gain Loss [Line Items]    
Embedded derivatives 2,011us-gaap_EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SalesMember
835us-gaap_EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_FairValueHedgingMember
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SalesMember
Cash Flow Hedging    
Derivative Instruments Gain Loss [Line Items]    
Gain (loss) recognized in AOCI (effective portion) (6,245)us-gaap_DerivativeInstrumentsLossRecognizedInOtherComprehensiveIncomeEffectivePortion
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
(3,007)us-gaap_DerivativeInstrumentsLossRecognizedInOtherComprehensiveIncomeEffectivePortion
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
Gain (loss) reclassified from AOCI into sales (6,083)us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
(1,025)us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= us-gaap_CashFlowHedgingMember
Net Investment Hedges    
Derivative Instruments Gain Loss [Line Items]    
Euro term loan $ 134us-gaap_TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= esl_NetInvestmentHedgesMember
$ (2,697)us-gaap_TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax
/ us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis
= esl_NetInvestmentHedgesMember