Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 242.3	$ 130.5
Expected amortization expense, remainder of 2016	731.0
Expected amortization expense, 2017	833.0
Expected amortization expense, 2018	779.0
Expected amortization expense, 2019	692.0
Expected amortization expense, 2020	$ 590.0