XML 31 R47.htm IDEA: XBRL DOCUMENT v2.4.1.9
Commitments and Contingencies - Additional Information (Detail) (USD $)
3 Months Ended
Jan. 30, 2015
Jan. 31, 2014
Oct. 31, 2014
Mar. 05, 2014
Jul. 26, 2013
Commitments And Contingencies Disclosure [Abstract]          
Environmental Exit Costs, Assets Previously Disposed, Liability for Remediation $ 1,800,000us-gaap_EnvironmentalExitCostsAssetsPreviouslyDisposedLiabilityForRemediation   $ 1,500,000us-gaap_EnvironmentalExitCostsAssetsPreviouslyDisposedLiabilityForRemediation    
Gain on release of non-income tax liability 15,656,000esl_GainOnReleaseOfNonIncomeTaxLiability 0esl_GainOnReleaseOfNonIncomeTaxLiability      
Reduction in interest expense 2,400,000esl_ReductionInInterestExpenseUponLapseOfStatutoryPeriodRelatedToNonIncomeTaxLiability        
Consent agreement term The Consent Agreement has a three-year term and provides for: (i) a payment of $20 million, $10 million of which is suspended and eligible for offset credit based on verified expenditures for past and future remedial compliance measures; (ii) the appointment of an external Special Compliance Official to oversee compliance with the Consent Agreement and the ITAR; (iii) two external audits of the Company’s ITAR compliance program; and (iv) continued        
Total penalty proposed by DDTC Office of Compliance       20,000,000esl_ContingentPenalty  
Penalty suspended and eligible for offset credit       10,000,000esl_LossContingencyReducedPenalty  
Estimated and recorded charge         10,000,000us-gaap_LossContingencyEstimateOfPossibleLoss
Paid and Recorded in March 2014         4,000,000us-gaap_ContractualObligationDueInNextTwelveMonths
Estimated and to be paid in March 2015         2,000,000us-gaap_ContractualObligationDueInSecondYear
Estimated and to be paid in March 2016         2,000,000us-gaap_ContractualObligationDueInThirdYear
Estimated and to be paid March 2017         $ 2,000,000us-gaap_ContractualObligationDueInFourthYear