Goodwill and Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 178.7	$ 176.3
Expected amortization expense, remainder of 2014	183
Expected amortization expense, 2015	358
Expected amortization expense, 2016	276
Expected amortization expense, 2017	230
Expected amortization expense, 2018	182
Impairment charges, in-process research and development		5.1
Acquired in-process research and development assets reclassified to amortizable intangible assets	$ 6.8	$ 6.5