Goodwill And Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 175.0	$ 170.7
Expected amortization expense, remainder of 2012	171
Expected amortization expense, 2013	338
Expected amortization expense, 2014	331
Expected amortization expense, 2015	308
Expected amortization expense, 2016	241
Acquired in-process research and development assets reclassified to product rights and licenses	33.0
Product rights and license costs acquired	$ 70.0