v2.4.0.8
Income Taxes (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax [Line Items]      
Valuation allowance increase (decrease) $ 0.9 $ (0.5)  
Undistributed earnings of foreign subsidiaries 8.5 8.2  
Unrecognized tax benefits that would impact effective tax rate 1.0 1.0 1.2
Internal Revenue Service (IRS) [Member]
     
Income Tax [Line Items]      
Operating loss carryforwards 51.4    
Internal Revenue Service (IRS) [Member] | Research and Development Credits [Member]
     
Income Tax [Line Items]      
Tax credit carryforward 4.3    
State and Local Jurisdiction [Member]
     
Income Tax [Line Items]      
Operating loss carryforwards 21.9    
State and Local Jurisdiction [Member] | Research and Development Credits [Member]
     
Income Tax [Line Items]      
Tax credit carryforward $ 4.6