Productivity Improvement And Restructuring Initiatives - (Schedule Of Restructuring And Related Costs) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Reserve [Roll Forward]
Balance at beginning of year	$ 11.4	$ 20.0	$ 11.6
Costs incurred	13.0	23.7	35.8
Paid/settled	(18.8)	(32.3)	(27.4)
Balance at end of year	5.6	11.4	20.0
Employee Severance and Related
Restructuring Reserve [Roll Forward]
Balance at beginning of year	10.3	19.9	11.4
Costs incurred	12.9	21.7	27.0
Paid/settled	(17.6)	(31.3)	(18.5)
Balance at end of year	5.6	10.3	19.9
Facility Exit and Related
Restructuring Reserve [Roll Forward]
Balance at beginning of year	1.1	0.1	0.2
Costs incurred	0.1	2.0	8.8
Paid/settled	(1.2)	(1.0)	(8.9)
Balance at end of year	$ 0.0	$ 1.1	$ 0.1