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Restructuring Activities (Narrative) (Details) (USD $)
In Millions
3 Months Ended 6 Months Ended
Jun. 30, 2011
Mar. 31, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Dec. 31, 2010
Restructuring charges $ 5.7   $ 8.7 $ 5.9 $ 18.4  
Restructuring reserve, adjustment 2.2 6.7        
Restructuring Reserve $ 14.2     $ 14.2   $ 28.0