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Consolidated Statements of Operations (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]        
Loss from discontinued operations, income taxes $ (1.2) $ 0.1 $ (1.3) $ 0.2
Loss on sale of discontinued operations, income taxes $ 0 $ 0 $ 3.3 $ 0