Goodwill and Intangible Assets Subsequent Events (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Subsequent Event [Line Items]
Goodwill	$ 1,943.5	$ 1,983.3
MCI [Member]
Subsequent Event [Line Items]
Tangible Asset Impairment Charges	11.0
Goodwill and Intangible Asset Impairment	19.8
Goodwill	6.5	$ 23.2
MCI [Member] | Current Assets [Member]
Subsequent Event [Line Items]
Assets at Risk for Future Impairment	$ 6.9