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CONSOLIDATED CONDENSED INCOME STATEMENTS (Parenthetical) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Income Statement [Abstract]        
Tax expense on income from discontinued operations $ 0.3 $ (1.2) $ (0.2) $ 0