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Business Combinations And Discontinued Operations (Components Of Discontinued Operations) (Details) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Business Combinations And Discontinued Operations    
Net sales$ 27$ 44$ 94$ 102
Pretax gain (loss) on operations385(15)312147
Income tax expense (benefit)138(37)12112
Net earnings$ 247$ 22$ 191$ 135