Income Taxes Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Taxes [Abstract]
Effective Income Tax Rate, Continuing Operations	35.30%	81.70%	36.50%	60.00%
Unrecognized Tax Benefits	$ 191.7		$ 191.7
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 50.4		50.4
Unrecognized tax benefits, reduction of accrued interest			$ 2.8