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ADJUSTED QUARTERLY FINANCIAL INFORMATION - Additional Information (Details) - A&D Segment $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2021 USD ($)
Pretax adjustments | $ 0.3
Adjustment of inventory and cost of goods sold | 0.8
Reduction of tax expenses | $ 0.2

X
- Definition Amount of inventory and cost of goods. + References No definition available. + Details
Name: | ese_AdjustmentOfInventoryAndCostOfGoodsSold
Namespace Prefix: | ese_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of pretax adjustment. + References No definition available. + Details
Name: | ese_PretaxAdjustment
Namespace Prefix: | ese_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of reduction of tax expenses. + References No definition available. + Details
Name: | ese_ReductionOfTaxExpenses
Namespace Prefix: | ese_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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