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Consolidated Statements Of Income (Parenthetical) (USD $)
3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Dec. 31, 2011
Forest Products Business Unit [Member]
Sep. 30, 2011
Forest Products Business Unit [Member]
Dec. 31, 2011
Forest Products Business Unit [Member]
Dec. 31, 2011
Commercial Products Business Unit [Member]
Dec. 31, 2012
Commercial Products Business Unit [Member]
Dec. 31, 2011
Commercial Products Business Unit [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Tax expense (benefit) from discontinued operations $ 27,000 $ 493,000 $ 493,000 $ (166,000) $ 13,000 $ (202,000)