Goodwill And Other Intangible Assets (Components Of Acquired Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 years	Dec. 31, 2010 years
Goodwill And Other Intangible Assets [Line Items]
Amount	$ 19.9	$ 159.8
Trademarks, Licenses And Agreements [Member]
Goodwill And Other Intangible Assets [Line Items]
Amount	4.1
Weighted Average Amortization Period, years	4.5
Customer Relationships [Member]
Goodwill And Other Intangible Assets [Line Items]
Amount	14.7	158.3
Weighted Average Amortization Period, years	13.9	10.0
Trade Names [Member]
Goodwill And Other Intangible Assets [Line Items]
Amount	$ 1.1	$ 1.5
Weighted Average Amortization Period, years	3.5	1.5