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Consolidated Condensed Statements of Income (Unaudited) (Parenthetical) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
BENEFITS AND EXPENSES    
Income tax expense on income from discontinued operations$ 6$ 6$ 19$ 21