Document and Entity Information Document - USD ($)	12 Months Ended
	Jun. 30, 2017	Aug. 16, 2017	Dec. 30, 2016
Document Information
Entity Registrant Name	Kimball Electronics, Inc.
Entity Central Index Key	0001606757
Current Fiscal Year End Date	--06-30
Entity Filer Category	Accelerated Filer
Document Type	10-K
Document Period End Date	Jun. 30, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		26,814,557
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 483,200,000