XML 82 R67.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Derivative Financial Instruments (Schedule of Outstanding Derivative Financial Instruments) (Details) € in Thousands, £ in Thousands, $ in Thousands | Sep. 30, 2018 USD ($) | Sep. 30, 2018 GBP (£) | Sep. 30, 2018 EUR (€)
--- | --- | --- | ---
Interest Rate Swap [Member] |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Notional Amount | $ 150,000 |  |  |  |  |
Fair Value | $ 94 |  |  |  |  |
Float Rate | 2.18% |  | 2.18% |  | 2.18% |
Fix Rate | 1.80% |  | 1.80% |  | 1.80% |
Interest Rate Swap One [Member] |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Notional Amount | $ 150,000 | [1] |  |  |  |
Fair Value | $ 913 | [1] |  |  |  |
Fix Rate | 2.09% | [1] | 2.09% | [1] | 2.09% | [1]
Interest Rate Swap Two [Member] |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Notional Amount | $ 150,000 | [2] |  |  |  |
Fair Value | $ 1,235 | [2] |  |  |  |
Fix Rate | 2.24% | [2] | 2.24% | [2] | 2.24% | [2]
Forward Contracts [Member] |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Notional Amount | £ |  |  | £ 700 |  |  |
Fair Value | £ |  |  | £ (94) |  |  |
Forward Contracts One [Member] |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Notional Amount | $ 9,500 |  |  |  |  |
Fair Value | $ (17) |  |  |  |  |
Forward Contracts Two [Member] |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Notional Amount | € |  |  |  |  | € 200 |
Fair Value | € |  |  |  |  | € 6 |
[1] | This swap represents a forward contract and will be effective in November 2018.
[2] | This swap represents a forward contract and will be effective in November 2019.

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate net fair value of all derivative instruments designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. + References No definition available. + Details
Name: | us-gaap_DerivativeInstrumentsInHedgesAtFairValueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Variable interest rate in effect as of the balance sheet date related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeVariableInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativesFairValueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=ese_InterestRateSwapOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=ese_InterestRateSwapTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_ForwardContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=ese_ForwardContractsOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=ese_ForwardContractsTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |