v3.8.0.1
Document and Entity Information Document - shares
6 Months Ended
Dec. 31, 2017
Jan. 26, 2018
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-Q  
Document Period End Date Dec. 31, 2017  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   26,694,649