Goodwill and Other Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Gross Amount
Balance at the beginning of the period	$ 94.0
Foreign currency translation	(0.3)
Balance at the end of the period	93.7
Cumulative Impairment Losses
Balance at the beginning of the period	(53.5)
Foreign currency translation	0.1
Balance at the end of the period	(53.4)
Net
Balance at the beginning of the period	40.5
Foreign currency translation	(0.2)
Balance at the end of the period	$ 40.3