Productivity Improvement And Restructuring Initiatives - (Schedule Of Restructuring Reserve By Type Of Cost) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Costs incurred	$ 13.0	$ 23.7	$ 35.8
Cost of sales
Restructuring Cost and Reserve [Line Items]
Costs incurred	3.0	7.8	6.3
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Costs incurred	$ 10.0	$ 15.9	$ 29.5