Segment Information (Schedule Of Operations In Geographical Areas) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Sales	$ 2,751.6	$ 2,844.5	$ 2,810.9
Property, plant and equipment, net	290.3	261.6	231.2
United States
Segment Reporting Information [Line Items]
Sales	1,210.6	1,240.5	1,253.0
Property, plant and equipment, net	160.1	144.1	118.0
China
Segment Reporting Information [Line Items]
Sales	212.8	187.9	155.2
Germany
Segment Reporting Information [Line Items]
Sales	151.3	164.7	166.1
Property, plant and equipment, net	25.4	29.1	31.5
Sweden
Segment Reporting Information [Line Items]
Property, plant and equipment, net	36.2	20.0	11.7
Switzerland
Segment Reporting Information [Line Items]
Property, plant and equipment, net	14.2	15.9	16.4
All Other Countries
Segment Reporting Information [Line Items]
Sales	1,176.9	1,251.4	1,236.6
Property, plant and equipment, net	$ 54.4	$ 52.5	$ 53.6