Derivatives (Details 2) - Not Designated as Hedging Instrument [Member] - Foreign Exchange Forward [Member] € in Millions, RUB in Millions, PLN in Millions, MXN in Millions, BRL in Millions, $ in Millions	Jun. 30, 2015 USD ($)	Jun. 30, 2015 RUB	Jun. 30, 2015 MXN	Jun. 30, 2015 EUR (€)	Jun. 30, 2015 PLN	Jun. 30, 2015 BRL	Dec. 31, 2014 USD ($)	Dec. 31, 2014 RUB	Dec. 31, 2014 MXN	Dec. 31, 2014 EUR (€)	Dec. 31, 2014 PLN	Dec. 31, 2014 BRL
Russia, Rubles
Derivative [Line Items]
Derivative, notional amount		RUB 45.1						RUB 80.8
Poland, Zlotych
Derivative [Line Items]
Derivative, notional amount | PLN					PLN 17.7						PLN 30.6
United States of America, Dollars
Derivative [Line Items]
Derivative, notional amount | $	$ 7.6						$ 4.5
Mexico, Pesos
Derivative [Line Items]
Derivative, notional amount | MXN			MXN 23.3						MXN 229.7
Brazil, Brazil Real
Derivative [Line Items]
Derivative, notional amount | BRL						BRL 1.6						BRL 8.7
Euro Member Countries, Euro
Derivative [Line Items]
Derivative, notional amount | €				€ 4.3						€ 3.6