Document and Entity Information Document (USD $)	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Aug. 13, 2012 Class A Common Stock	Aug. 13, 2012 Class B Common Stock
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-K
Document Period End Date	Jun. 30, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding			10,112,494	27,788,195
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float - Class B		$ 136,900,000