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Geographic Financial and Other Information (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Country
Jun. 30, 2011
Jun. 30, 2012
Country
Jun. 30, 2011
Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales $ 357.1 $ 351.2 $ 687.8 $ 684.4  
Long-lived assets, net 420.6   420.6   406.3
Number of reportable operating segments     1    
Number of countries in which entity operates 14   14    
United States [Member]
         
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales 203.9 194.9 388.6 381.1  
Percentage of net sales by geographic location 57.00% 55.00% 56.00% 56.00%  
Long-lived assets, net 371.0   371.0   357.8
Percentage of long lived assets by geographic location 88.00%   88.00%   88.00%
Outside Of The United States [Member]
         
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales 153.2 156.3 299.2 303.3  
Percentage of net sales by geographic location 43.00% 45.00% 44.00% 44.00%  
Long-lived assets, net $ 49.6   $ 49.6   $ 48.5
Percentage of long lived assets by geographic location 12.00%   12.00%   12.00%