Income Taxes (Income before Income Tax, Domestic and Foreign) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Income Tax Disclosure [Abstract]
United States	$ 51.2		$ 32.1		$ (34.3)
Foreign	55.7		82.3		116.9
Income before income taxes	$ 106.9	[1]	$ 114.4	[1]	$ 82.6	[1]

[1] See Note 22 -Restatement of Consolidated Financial Statements