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FAIR VALUE MEASUREMENTS (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2024 USD ($)
FAIR VALUE MEASUREMENTS
Fair value impairments	$ 0

X

- Definition

Amount of fair value disclosure asset not measured at fair value impairments.

+ References

No definition available.

+ Details

Name:	ese_FairValueDisclosureAssetNotMeasuredAtFairValueImpairments
Namespace Prefix:	ese_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration