FAIR VALUE MEASUREMENTS (Details) - USD ($)	3 Months Ended	9 Months Ended
Jun. 30, 2023	Jun. 30, 2023
FAIR VALUE MEASUREMENTS
Fair value impairments	$ 0	$ 0

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

No definition available.

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