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Income Taxes - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Oct. 31, 2014
Oct. 25, 2013
Oct. 26, 2012
Income Tax Disclosure [Abstract]      
Incremental tax benefit received upon exercise of non-qualified employee stock options $ 7.1us-gaap_DeferredTaxExpenseFromStockOptionsExercised $ 3.0us-gaap_DeferredTaxExpenseFromStockOptionsExercised $ 0.4us-gaap_DeferredTaxExpenseFromStockOptionsExercised
Undistributed foreign earnings 555.4us-gaap_UndistributedEarningsOfForeignSubsidiaries    
Unrecognized tax benefits related to operating losses and tax credits decrease as a result of settlement of examinations and/or the expiration of statutes of limitations $ 3.3esl_UnrecognizedTaxBenefitsExpectedDecreasesResultingFromSettlementsWithTaxingAuthoritiesAndExpirationOfStatuteOfLimitations