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Goodwill and Intangible Assets (Textuals) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Finite-Lived Intangible Assets [Line Items]      
Foreign currency translation gains (losses) $ 0.3 $ (0.2)  
Amortization expense 3.9 4.3 4.1
Estimated annual amortization expense, 2013 3.8    
Estimated annual amortization expense, 2014 3.7    
Estimated annual amortization expense, 2015 3.4    
Estimated annual amortization expense, 2016 2.8    
Estimated annual amortization expense, 2017 2.7    
Indefinite-lived trademarks 10.0    
In-Process Research and Development (IPR&D) [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Acquired indefinite-lived intangible asset $ 3.3