Stock Compensation Plans (Schedule of Stock Compensation Expense) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock compensation expense	$ 7.0	$ 6.8
Cost of goods sold
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock compensation expense	0.3	0.3
Selling, general and administrative expenses
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total stock compensation expense	$ 6.7	$ 6.5