Goodwill and Identifiable Intangible Assets (Details 1) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Summarize of identifiable intangible assets with definite and indefinite useful lives
Gross carrying value	$ 2,181.4	$ 113.2
Accumulated amortization	(78.2)	(35.2)
Total	2,103.2	78.0
Amortization expense of intangible assets
Amortization expense of our intangible assets	41.3	11.2	11.7
Remaining estimated future amortization expense
2012	134.2
2013	132.7
2014	131.0
2015	99.1
2016	98.1
Thereafter	598.9
Total	1,194.0
Goodwill and Identifiable Intangible Assets (Textual) [Abstract]
Intangible assets having indefinite useful lives	$ 31