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v3.25.2

UNCOMPLETED CONTRACTS - Backlog (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Sep. 30, 2024
--- | --- | ---
UNCOMPLETED CONTRACTS |  |
Backlog | $ 304.4 | $ 243.2

X
- Definition Represent the amount of backlog from uncompleted contracts. + References No definition available. + Details
Name: | esoa_BacklogFromUncompletedContracts
Namespace Prefix: | esoa_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_ContractorsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration