Derivative Instruments and Hedging Activities (Narrative) (Details) € in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($) country	Dec. 31, 2018 USD ($)	Jan. 31, 2018 USD ($)	Jan. 31, 2018 EUR (€)	Dec. 31, 2015 EUR (€)
Derivative Instruments, Gain (Loss) [Line Items]
Number of countries where products sold, countries (more than) | country	140
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency contracts (1)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount	$ 205.8	$ 127.0
Designated as Hedging Instrument | Net Investment Hedging | Revolving Credit Facility
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount	179.8	0.0			€ 160.0
Designated as Hedging Instrument | Net Investment Hedging | Cross currency swap contract
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount	300.0	300.0	$ 300.0
Designated as Hedging Instrument | Net Investment Hedging | Cross Currency Interest Rate Contract, Payment
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount	276.1			€ 245.7
Not Designated as Hedging Instrument | Foreign currency contracts (1)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount	$ 2,358.0	$ 1,335.8