Goodwill And Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Intangible Assets Excluding Goodwill [Line Items]
Amortization expense	$ 91.5	$ 87.8
Expected amortization expense, remainder of 2013	260
Expected amortization expense, 2014	339
Expected amortization expense, 2015	317
Expected amortization expense, 2016	244
Expected amortization expense, 2017	199
Acquired IPR&D assets reclassified to product rights and licenses	6.5	33.0
Bioniche Pharma Holdings Limited
Intangible Assets Excluding Goodwill [Line Items]
Impairment charge, IPR&D	$ 5.1