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Restructuring Charges (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Restructuring Charges (Textual) [Line Items]        
Restructuring charges $ 0.2 $ 2.4 $ 0.3 $ 2.9
Expected future restructuring charges     9.9  
Charges Incurred to Date     $ 9.8