Document and Entity Information	9 Months Ended
	Mar. 31, 2015	May 14, 2015
Document And Entity Information [Abstract]
Entity Registrant Name	ESPEY MFG & ELECTRONICS CORP
Entity Central Index Key	0000033533
Document Type	10-Q
Document Period End Date	Mar. 31, 2015
Amendment Flag	false
Current Fiscal Year End Date	--06-30
Is Entity a Well-known Seasoned Issuer	No
Is Entity a Voluntary Filer	No
Is Entity's Reporting Status Current	Yes
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		2,362,187
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2015