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Note 2. Spin-Off Transaction - Textuals (Details) (USD $)
In Millions, unless otherwise specified
Oct. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Cash and cash equivalents $ 63us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents
Accumulated Other Comprehensive Loss, Net of Tax $ 3.5kbal_DisposalGroupIncludingDiscontinuedOperationAccumulatedOtherComprehensiveIncomeLoss
Class A Stock, Percent of Total 15.00%kbal_ClassAStockPercentofTotal
Minimum Level of Class A Stock Required For Separate Classes of Stock 15.00%kbal_MinimumLevelofClassAStockRequiredForSeparateClassesofStock