Document and Entity Information Document - shares	6 Months Ended
	Dec. 31, 2018	Jan. 23, 2019
Document Information
Entity Registrant Name	KIMBALL INTERNATIONAL INC
Entity Central Index Key	0000055772
Current Fiscal Year End Date	--06-30
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Dec. 31, 2018
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Amendment Flag	false
Class A Common Stock
Document Information
Entity Common Stock, Shares Outstanding		257,079
Class B Common Stock
Document Information
Entity Common Stock, Shares Outstanding		36,454,633