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Summary of Significant Accounting Policies - Narrative (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Accounting Policies [Line Items]      
Restricted Cash and Cash Equivalents   $ 7.5  
Depreciation 9.4 7.5 9.6
Non-income based taxes $ 10.3 $ 13.8 $ 20.3
Building | Minimum
     
Accounting Policies [Line Items]      
Property, plant and equipment, useful lives 10 years    
Building | Maximum
     
Accounting Policies [Line Items]      
Property, plant and equipment, useful lives 20 years    
Machinery and equipment | Minimum
     
Accounting Policies [Line Items]      
Property, plant and equipment, useful lives 5 years    
Machinery and equipment | Maximum
     
Accounting Policies [Line Items]      
Property, plant and equipment, useful lives 10 years