Goodwill and Intangible Assets Goodwill and Intangible Assets (Narrative Details) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Goodwill, Impairment Loss	$ 44.0	$ 0	$ 44.0	$ 0
Goodwill	443.8		443.8		473.1
Amortization of Intangible Assets	8.0	5.2	18.5	17.6
China [Member]
Goodwill, Impairment Loss	44.0
Goodwill Impairment Loss After Tax	44
China [Member]
Goodwill, Fair Value Disclosure	37.3		37.3
Fair Value, Inputs, Level 3 [Member] | China [Member]
Goodwill, Fair Value Disclosure	$ 37.3		$ 37.3