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Reconciliation of U.S. Federal Statutory Income Tax Rate to Effective Income Tax Rate (Detail)
 12 Months Ended
Oct. 31, 2014
Oct. 25, 2013
Oct. 26, 2012
Income Tax Disclosure [Abstract]      
U.S. statutory income tax rate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
State income taxes 0.50%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 0.60%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 0.60%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Foreign taxes (13.40%)esl_EffectiveIncomeTaxRateReconciliationForeignPermanentItems (11.30%)esl_EffectiveIncomeTaxRateReconciliationForeignPermanentItems (17.40%)esl_EffectiveIncomeTaxRateReconciliationForeignPermanentItems
Goodwill impairment 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses 0.60%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses 12.90%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses
Penalties 0.40%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther 1.70%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther
Difference in foreign tax rates 1.40%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential (0.70%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential (1.10%)us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
Domestic manufacturing deduction (1.30%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities (1.30%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities (2.10%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
Research & development credits (2.50%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch (3.40%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch (3.40%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch
Net change in tax reserves 0.10%esl_EffectiveIncomeTaxRateReconciliationNetChangeInTaxReserves (2.90%)esl_EffectiveIncomeTaxRateReconciliationNetChangeInTaxReserves 0.50%esl_EffectiveIncomeTaxRateReconciliationNetChangeInTaxReserves
Valuation allowance 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance (1.00%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
Change in foreign tax rates and laws 0.00%esl_EffectiveIncomeTaxRateReconciliationChangeInForeignTaxRates (1.50%)esl_EffectiveIncomeTaxRateReconciliationChangeInForeignTaxRates (3.40%)esl_EffectiveIncomeTaxRateReconciliationChangeInForeignTaxRates
Other, net 0.80%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments (0.40%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments (1.00%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Effective income tax rate 21.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 16.40%us-gaap_EffectiveIncomeTaxRateContinuingOperations 19.60%us-gaap_EffectiveIncomeTaxRateContinuingOperations