Stock Compensation Plans (Schedule of Employee Service Share-based Compensation, Allocation of Recognized Costs) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock compensation expense	$ 2.4	$ 6.4
Cost of goods sold [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock compensation expense	0.2	0.5
Selling, general and administrative expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock compensation expense	$ 2.2	$ 5.9