Goodwill and Other Intangible Assets (Amortization Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of Intangible Assets	$ 28.5	$ 11.7	$ 1.4
Finite-lived intangible assets, next twelve months	30.4
Finite-lived intangible assets, year two	29.6
Finite-lived intangible assets, year three	27.2
Finite-lived intangible assets, year four	19.4
Finite-lived intangible assets, year five	16.1
Total	$ 122.7