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Hedging Transaction and Derivative Instruments - Fair Value of Derivatives Qualifying as Hedging Instrument (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]      
Unrealized net losses arising during period $ (2.5) $ (1.4) $ (0.2)
Designated as Hedging Instrument | Cash Flow Hedging | Other (income) expense, net      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (loss) on derivatives 1.0 0.0 0.0
Foreign Currency Economic Hedge | Not Designated as Hedging Instrument | Economic hedges | Other (income) expense, net      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (loss) on derivatives (2.0) 0.8 $ 0.0
Foreign Exchange Forward and Interest Rate Swap [Member] | Designated as Hedging Instrument | Cash Flow Hedging      
Derivative Instruments, Gain (Loss) [Line Items]      
Unrealized net losses arising during period $ 3.2 $ 1.6