Stock Compensation Plans (Schedule of Employee Service Share-based Compensation, Allocation of Recognized Costs) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock compensation expense	$ 7.9	$ 3.5	$ 19.6	$ 10.9
Cost of goods sold [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock compensation expense	0.7	0.3	1.6	0.8
Selling, general and administrative expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock compensation expense	$ 7.2	$ 3.2	$ 18.0	$ 10.1