Derivatives (Details 2) In Millions, unless otherwise specified	Sep. 30, 2013 Brazilian Real [Member] BRL	Dec. 31, 2012 Brazilian Real [Member] BRL	Sep. 30, 2013 Mexican Peso [Member] MXN	Dec. 31, 2012 Mexican Peso [Member] MXN	Sep. 30, 2013 Euro [Member] EUR (€)	Dec. 31, 2012 Euro [Member] EUR (€)	Sep. 30, 2013 British Pound [Member] GBP (£)	Dec. 31, 2012 British Pound [Member] GBP (£)	Sep. 30, 2013 Indian Rupee [Member] INR	Dec. 31, 2012 Indian Rupee [Member] INR	Sep. 30, 2013 Polish Zloty [Member] PLN	Dec. 31, 2012 Polish Zloty [Member] PLN
Outstanding foreign currency forward contracts not designated as cash flow hedges
Derivative, Notional Amount	5.2	10.8	248.5	220.2	€ 2.0	€ 1.3	£ 3.4	£ 5.4	112.0	19.5	30.5	12.4