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Financial Instruments, Risk Management and Fair Value Measurements - Narrative (Details)
MMBTU in Millions, $ in Millions
3 Months Ended
Mar. 31, 2017
USD ($)
MMBTU
Dec. 31, 2016
USD ($)
Derivative [Line Items]    
Estimated fair value of debt $ 2,087.7 $ 1,964.9
Carrying value of debt 2,007.7 $ 1,893.0
Designated as Hedging Instrument | Foreign exchange contracts    
Derivative [Line Items]    
Derivative notional amount $ 302.0  
Designated as Hedging Instrument | Energy contracts    
Derivative [Line Items]    
Nonmonetary notional amount of price risk cash flow hedge | MMBTU 1.5  
Designated as Hedging Instrument | Foreign Currency and Energy Contracts    
Derivative [Line Items]    
Cumulative changes in net gain (loss) from cash flow hedges $ 6.7  
Not Designated as Hedging Instruments | Foreign exchange contracts    
Derivative [Line Items]    
Derivative notional amount 1,722.0  
Designated as Cash Flow Hedges | Designated as Hedging Instrument | Foreign exchange contracts    
Derivative [Line Items]    
Cumulative changes in net gain (loss) from cash flow hedges 6.7  
Designated as Cash Flow Hedges | Designated as Hedging Instrument | Energy contracts    
Derivative [Line Items]    
Cumulative changes in net gain (loss) from cash flow hedges 0.0  
FMC Agricultural Solutions    
Derivative [Line Items]    
Impairment charge $ 1.0