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Restructuring Charges (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Restructuring Charges (Textual) [Line Items]    
Restructuring charges $ 0.1 $ 0.5
Expected future restructuring charges 9.9  
Charges Incurred to Date $ 9.7