Derivatives (Outstanding Foreign Currency Forward Contracts) (Details) - Foreign Currency Forward Contracts [Member] € in Millions, ₨ in Millions, MXN in Millions, CAD in Millions, BRL in Millions, $ in Millions	Dec. 31, 2017 EUR (€)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 MXN	Dec. 31, 2017 CAD	Dec. 31, 2017 INR (₨)	Dec. 31, 2017 BRL	Dec. 31, 2016 EUR (€)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 MXN	Dec. 31, 2016 CAD	Dec. 31, 2016 INR (₨)	Dec. 31, 2016 BRL
China, Yuan Renminbi | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts (in local currency) | BRL						BRL 73.8						BRL 10.5
Mexico, Pesos | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts (in local currency)			MXN 136.6						MXN 64.5
Mexico, Pesos | Cash Flow Hedging [Member]
Derivative [Line Items]
Notional amounts (in local currency)			MXN 207.3						MXN 310.1
Canada, Dollars | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts (in local currency) | CAD				CAD 68.6						CAD 24.9
Canada, Dollars | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts (in local currency)		$ 27.3									₨ 0.0
Euro Member Countries, Euro | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts (in local currency) | €	€ 64.4						€ 46.9
United Kingdom, Pounds | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts (in local currency) | $		4.5						$ 1.3
India, Rupees | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts (in local currency) | ₨					₨ 39.8						584.6
Singapore, Dollars | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts (in local currency)		7.0									0.0
Australia, Dollars | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts (in local currency)		107.0									0.0
New Zealand, Dollars | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amounts (in local currency)		$ 5.0									₨ 0.0