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Document and Entity Information Document - shares
 3 Months Ended
Sep. 30, 2016
Oct. 24, 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-Q  
Document Period End Date Sep. 30, 2016  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   27,483,304