Profit Sharing Plan (Details) - USD ($)	12 Months Ended
Aug. 31, 2023	Aug. 31, 2022
Profit Sharing Plan
Percentage of employees gross pay	50.00%
Vesting period	5 years
Contribution expense	$ 851,000	$ 638,000
Employee Contributions
Profit Sharing Plan
Percentage of match, employer matching contribution	6.00%
Deferred profit sharing
Profit Sharing Plan
Percentage of match, employer matching contribution	15.00%

Represents the information relates to the vesting period for the employees contributions.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	eaco_
Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

Amount of administrative expense incurred by defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
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- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: