Derivatives (Details 2) In Millions, unless otherwise specified	Jun. 30, 2013 Brazilian Real [Member] BRL	Dec. 31, 2012 Brazilian Real [Member] BRL	Jun. 30, 2013 Mexican Peso [Member] MXN	Dec. 31, 2012 Mexican Peso [Member] MXN	Jun. 30, 2013 Euro [Member] EUR (€)	Dec. 31, 2012 Euro [Member] EUR (€)	Jun. 30, 2013 British Pound [Member] GBP (£)	Dec. 31, 2012 British Pound [Member] GBP (£)	Jun. 30, 2013 Indian Rupee [Member] INR	Dec. 31, 2012 Indian Rupee [Member] INR	Jun. 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	3.9	10.8	255.0	220.2	€ 4.0	€ 1.3	£ 2.2	£ 5.4	192.0	19.5	24.8	12.4