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Accrued Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2014
Oct. 25, 2013
Oct. 26, 2012
Accrued Liabilities Current [Abstract]      
Payroll and other compensation $ 123,317us-gaap_EmployeeRelatedLiabilitiesCurrent $ 119,677us-gaap_EmployeeRelatedLiabilitiesCurrent  
Commissions 5,014us-gaap_AccruedSalesCommissionCurrent 4,786us-gaap_AccruedSalesCommissionCurrent  
Casualty and medical 14,027us-gaap_OtherEmployeeRelatedLiabilitiesCurrent 13,738us-gaap_OtherEmployeeRelatedLiabilitiesCurrent  
Interest 7,006us-gaap_InterestPayableCurrent 6,707us-gaap_InterestPayableCurrent  
Warranties 16,243us-gaap_ProductWarrantyAccrualClassifiedCurrent 19,372us-gaap_ProductWarrantyAccrualClassifiedCurrent 21,870us-gaap_ProductWarrantyAccrualClassifiedCurrent
State and other tax accruals 6,811us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent 6,536us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent  
Customer deposits 19,624us-gaap_CustomerDepositsCurrent 21,500us-gaap_CustomerDepositsCurrent  
Deferred revenue 23,522us-gaap_DeferredRevenueCurrent 15,888us-gaap_DeferredRevenueCurrent  
Contract reserves 11,260esl_CarryingAmountOfReserveForContractsCurrent 12,737esl_CarryingAmountOfReserveForContractsCurrent  
Forward foreign exchange contracts 15,505esl_CarryingValueAsOfBalanceSheetDateForForwardForeignExchangeContractsCurrent 7,645esl_CarryingValueAsOfBalanceSheetDateForForwardForeignExchangeContractsCurrent  
Litigation reserves 5,534us-gaap_LitigationReserveCurrent 10,266us-gaap_LitigationReserveCurrent  
Environmental reserves 650us-gaap_AccruedEnvironmentalLossContingenciesCurrent 810us-gaap_AccruedEnvironmentalLossContingenciesCurrent  
Rent and future lease obligations 1,251us-gaap_AccruedRentCurrent 1,357us-gaap_AccruedRentCurrent  
Other 12,772us-gaap_OtherAccruedLiabilitiesCurrent 12,542us-gaap_OtherAccruedLiabilitiesCurrent  
Total accrued liabilities $ 262,536us-gaap_AccruedLiabilitiesCurrent $ 253,561us-gaap_AccruedLiabilitiesCurrent