Goodwill And Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Sep. 30, 2011 Bioniche Pharma Holdings Limited [Member]
Business Acquisition [Line Items]
Amortization expense	$ 357.8	$ 290.3	$ 276.8
Expected amortization expense, 2012	336
Expected amortization expense, 2013	330
Expected amortization expense, 2014	322
Expected amortization expense, 2015	300.0
Expected amortization expense, 2016	232
Impairment charge				16.2
Acquired in-process research and development assets reclassified to product rights and licenses	$ 4.3