Other Income (Expense) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Other income (expense)	$ 7.2	$ (71.3)	$ (212.9)
Foreign currency transaction loss		(41.2)	$ 30.3
Exchange rate, currency translation			6.30
Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain on derivatives in other income (expense)	8.9	(7.2)
Venezuela [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign currency transaction loss	1.7
Pre-tax charge on foreign currency devaluation transaction related to Venezuelan Bolivar			$ 78.1
Exchange rate, currency translation			6.30
Venezuela [Member] | SIMADI [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign currency transaction loss	$ (22.9)
Venezuela [Member] | SICAD 1 Rate [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign currency transaction loss		(90.2)
Pre-tax charge on foreign currency devaluation transaction related to Venezuelan Bolivar		$ 83.1
Venezuela [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized gain (loss) on derivatives			$ (4.0)