Document And Entity Information - USD ($)	12 Months Ended
	Aug. 31, 2015	Nov. 01, 2015	Feb. 28, 2015
Document Information [Line Items]
Entity Registrant Name	EACO CORP
Entity Central Index Key	0000784539
Current Fiscal Year End Date	--08-31
Entity Filer Category	Smaller Reporting Company
Trading Symbol	EACO
Entity Common Stock, Shares Outstanding		4,861,590
Document Type	10-K
Amendment Flag	false
Document Period End Date	Aug. 31, 2015
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2015
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 150,000