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Fair Value Measurements (Reconciliation Using Significant Unobservable Inputs) (Details) (Fair Value, Measurements, Recurring [Member], USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Contingent consideration at Fair Value $ 21.1  
Fair Value, Inputs, Level 3 [Member]
   
Contingent consideration at Fair Value 21.1 15.7
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Included in operating expense $ 5.4