Document and Entity Information Document - shares	6 Months Ended
	Dec. 31, 2019	Jan. 27, 2020
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, 2019
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Current Reporting Status	Yes
Class A Common Stock
Document Information
Entity Common Stock, Shares Outstanding		194,762
Class B Common Stock
Document Information
Entity Common Stock, Shares Outstanding		36,608,177