Intangible Assets and Goodwill (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible amortization expense	$ 87.2	$ 16.3	$ 150.3	$ 30.9
Depreciation and amortization | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Asset impairment charges			$ 25.0