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Acquisition of Business Acquisition of Business (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 0 Months Ended 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Feb. 07, 2014
Dynamic Flowform [Member]
Mar. 31, 2014
Dynamic Flowform [Member]
Business Acquisition [Line Items]          
Noncontrolling Interest, Ownership Percentage by Parent       85.00%  
Purchase of business, net of cash acquired $ (71.1) $ 0   $ (73.1) $ (71.1)
Business Acquisition, Remaining Payment         (2.0)
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners       15.00%  
Business Combination, Acquisition Related Costs         0.8
Finite-Lived Intangible Assets, Net       21.4  
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life       23 years  
Cost in excess of net assets acquired $ 775.5   $ 727.9 $ 47.0