Fair Value Measurements (Details Textual 1) (USD $) In Millions, unless otherwise specified							9 Months Ended				3 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2010	Sep. 30, 2012 Maximum [Member]	Sep. 30, 2012 Minimum [Member]	Sep. 30, 2012 Other Liabilities Non Current [Member]	Dec. 31, 2011 Other Liabilities Non Current [Member]	Mar. 31, 2012 Stromedix, Inc. [Member]	Mar. 08, 2012 Stromedix, Inc. [Member]
Business Acquisition, Contingent Consideration [Line Items]
Discount rate used for net cash outflow projections for fair value measurement							3.70%	2.50%			4.40%
In process research and development	$ 219.2											$ 219.2
Net cash outflow to determine valuations												487.5
Contingent consideration obligations	$ 290.3	$ 280.9	$ 151.0	$ 125.9	$ 84.6	$ 81.2			$ 269.0	$ 140.3		$ 122.2
Percentage of venture capital investments to assets	0.30%		0.30%