XML 39 R86.htm IDEA: XBRL DOCUMENT v2.4.1.9
Stock Options Outstanding (Detail) (USD $)
12 Months Ended
Oct. 31, 2014
Oct. 25, 2013
Oct. 26, 2012
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]      
Options Exercisable, Shares 754,443us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber 1,075,788us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber 1,258,900us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
$29.86 - $40.00      
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]      
Range of Exercise Prices, lower limit $ 29.86us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeOneMember
   
Range of Exercise Prices, upper limit $ 40.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeOneMember
   
Options Outstanding, Shares 118,093us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeOneMember
   
Options Outstanding Weighted Average Remaining Life (years) 3 years 4 months 24 days    
Options Outstanding, Weighted Average Price $ 33.82us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeOneMember
   
Options Exercisable, Shares 118,093us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeOneMember
   
Options Exercisable, Weighted Average Price $ 33.82us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeOneMember
   
$40.01 - $50.00      
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]      
Range of Exercise Prices, lower limit $ 40.01us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeTwoMember
   
Range of Exercise Prices, upper limit $ 50.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeTwoMember
   
Options Outstanding, Shares 196,675us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeTwoMember
   
Options Outstanding Weighted Average Remaining Life (years) 4 years 6 months    
Options Outstanding, Weighted Average Price $ 41.71us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeTwoMember
   
Options Exercisable, Shares 196,675us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeTwoMember
   
Options Exercisable, Weighted Average Price $ 41.71us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeTwoMember
   
$50.01 - $52.00      
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]      
Range of Exercise Prices, lower limit $ 50.01us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeThreeMember
   
Range of Exercise Prices, upper limit $ 52.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeThreeMember
   
Options Outstanding, Shares 242,000us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeThreeMember
   
Options Outstanding Weighted Average Remaining Life (years) 6 years 6 months    
Options Outstanding, Weighted Average Price $ 51.06us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeThreeMember
   
Options Exercisable, Shares 109,600us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeThreeMember
   
Options Exercisable, Weighted Average Price $ 51.05us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeThreeMember
   
$52.01 - $65.00      
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]      
Range of Exercise Prices, lower limit $ 52.01us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeFourMember
   
Range of Exercise Prices, upper limit $ 65.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeFourMember
   
Options Outstanding, Shares 426,850us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeFourMember
   
Options Outstanding Weighted Average Remaining Life (years) 5 years 4 months 24 days    
Options Outstanding, Weighted Average Price $ 59.75us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeFourMember
   
Options Exercisable, Shares 278,550us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeFourMember
   
Options Exercisable, Weighted Average Price $ 59.16us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeFourMember
   
$65.01 - $80.00      
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]      
Range of Exercise Prices, lower limit $ 65.01us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeFiveMember
   
Range of Exercise Prices, upper limit $ 80.00us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeFiveMember
   
Options Outstanding, Shares 182,475us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeFiveMember
   
Options Outstanding Weighted Average Remaining Life (years) 7 years 9 months 18 days    
Options Outstanding, Weighted Average Price $ 69.10us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeFiveMember
   
Options Exercisable, Shares 48,950us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeFiveMember
   
Options Exercisable, Weighted Average Price $ 71.79us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeFiveMember
   
$80.01 - $118.32      
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]      
Range of Exercise Prices, lower limit $ 80.01us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeSixMember
   
Range of Exercise Prices, upper limit $ 118.32us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeSixMember
   
Options Outstanding, Shares 210,700us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeSixMember
   
Options Outstanding Weighted Average Remaining Life (years) 9 years 2 months 12 days    
Options Outstanding, Weighted Average Price $ 96.63us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeSixMember
   
Options Exercisable, Shares 2,575us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeSixMember
   
Options Exercisable, Weighted Average Price $ 81.76us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
/ us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis
= esl_RangeSixMember