XML 85 R71.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Retirement and Other Benefit Plans (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015
Defined Benefit Plan Before Adoption Of SFAS 158 Recognition Provision Accrued Benefit Liability | $ 0.7 | $ 0.9
Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year | $ 2.5 |

X
- Definition Defined Benefit Plan Before Adoption Of Sfas 158 Recognition Provision Accrued Benefit Liability + References No definition available. + Details
Name: | ese_DefinedBenefitPlanBeforeAdoptionOfSfas158RecognitionProvisionAccruedBenefitLiability
Namespace Prefix: | ese_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation). + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration