Note 9. Common Stock - Textuals (Details) (USD $)	12 Months Ended
Jun. 30, 2012
Common Stock, Dividend Preference, Per Share	$ 0.02
Class A Common Stock
Habig Families Voting Power Percent, Excess of	50.00%
Minimum Percentage of Class A Shares to Retain Voting Rights and Dividend Preference	15.00%

The minimum percentage of Class A common shares issued and outstanding in relation to total shares issued and outstanding, in order to retain Class A preferential voting rights and the Class B dividend preference.

No definition available.

Name:	kbalb_MinimumPercentageOfClassASharesToRetainVotingRightsAndDividendPreference
Namespace Prefix:	kbalb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant