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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES UPDATE- Revenue Recognition (Details) | 9 Months Ended
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Jun. 30, 2019
Filtration |
Percentage of segment revenues recognized when services are performed or when products are delivered | 48.00%
Percentage of consolidated revenues recognized when services are performed or when products are delivered | 18.00%
Percentage of segment revenues recorded over time | 52.00%
Percentage of consolidate revenues recorded over time | 19.00%
Test |
Percentage of segment revenues recognized when services are performed or when products are delivered | 25.00%
Percentage of consolidated revenues recognized when services are performed or when products are delivered | 6.00%
Percentage of segment revenues recorded over time | 75.00%
Percentage of consolidate revenues recorded over time | 17.00%
USG |
Percentage of segment revenues recognized when services are performed or when products are delivered | 80.00%
Percentage of consolidated revenues recognized when services are performed or when products are delivered | 24.00%
Percentage of segment revenues recorded over time | 20.00%
Percentage of consolidate revenues recorded over time | 6.00%
Percentage of segment revenues based on software contracts | 8.00%
Percentage of consolidate revenues based on software contracts | 2.00%
Technical Packaging |
Percentage of segment revenues recorded over time | 100.00%
Percentage of consolidate revenues recorded over time | 10.00%

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- Definition The percentage of consolidated revenues recognized based on software contracts. + References No definition available. + Details
Name: | ese_PercentageOfConsolidatedRevenuesRecognizedBasedOnSoftwareContracts
Namespace Prefix: | ese_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of consolidated revenues recognized over time based on costs or services performed plus reasonable amount of margin. + References No definition available. + Details
Name: | ese_PercentageOfConsolidatedRevenuesRecognizedOverTimeCostsIncurredPlusMargin
Namespace Prefix: | ese_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of segment revenues recognized based on software contracts. + References No definition available. + Details
Name: | ese_PercentageOfSegmentRevenuesRecognizedBasedOnSoftwareContracts
Namespace Prefix: | ese_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of segment revenues recognized over time based on costs or services performed plus reasonable amount of margin. + References No definition available. + Details
Name: | ese_PercentageOfSegmentRevenuesRecognizedOverTimeCostsIncurredPlusMargin
Namespace Prefix: | ese_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of revenues recognized when services are performed for unaffiliated customers or when products are delivered. + References No definition available. + Details
Name: | ese_Percentageofrevenuesrecognizedwhenservicesareperformedforunaffiliatedcustomersorwhenproductsaredelivered
Namespace Prefix: | ese_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of segment revenues recognized when services are performed for unaffiliated customers or when products are delivered. + References No definition available. + Details
Name: | ese_Percentageofsegmentrevenuesrecognizedwhenservicesareperformedforunaffiliatedcustomersorwhenproductsaredelivered
Namespace Prefix: | ese_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ese_FiltrationFluidFlowMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ese_RFShieldingAndTestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ese_UtilitySolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ese_TechnicalPackagingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |