Recoverable Non-income Taxes (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Summary of recoverable non-income taxes
Total recoverable non-income taxes	$ 35.3	$ 39.5
Brazil [Member]
Summary of recoverable non-income taxes
Total recoverable non-income taxes	26.0	32.5
India [Member]
Summary of recoverable non-income taxes
Total recoverable non-income taxes	8.7	6.1
Europe [Member]
Summary of recoverable non-income taxes
Total recoverable non-income taxes	0.6	0.8
MEXICO
Summary of recoverable non-income taxes
Total recoverable non-income taxes	$ 0	$ 0.1