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Restructuring Charges (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Restructuring Charges (Textual) [Line Items]        
Restructuring charges $ 2.4 $ 0.1 $ 2.9 $ 2.7
Expected future restructuring charges 23.9      
Charges Incurred to Date 23.5      
Regional Distribution Network [Member]
       
Restructuring Charges (Textual) [Line Items]        
Restructuring charges     1.4  
Expected future restructuring charges     0.1  
Charges Incurred to Date $ 7.6