Segment Information (Schedule Of Consolidated Financial Statements By Industry Segments) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net sales	$ 837.5	$ 772.3	$ 841.6	$ 831.7	$ 839.6	$ 855.8	$ 851.0	$ 799.1	$ 3,283.1	$ 3,345.5	$ 2,786.0
Operating profit from continuing operations	(135.4)	$ 109.3	$ 122.8	$ 113.7	110.1	$ 123.9	$ 113.0	$ 94.3	210.4	441.3	388.4
Interest income									2.7	2.3	2.5
Interest expense									(46.8)	(50.9)	(36.1)
Miscellaneous income									4.4	18.7	12.7
Income before income taxes									170.7	411.4	367.5
Assets	4,423.7				4,042.7				4,423.7	4,042.7	3,593.5
Goodwill	1,472.4				1,403.7				1,472.4	1,403.7	1,206.9
Capital expenditures									68.8	108.8	49.0
Depreciation and amortization									113.5	120.0	72.7
Corporate Segment
Segment Reporting Information [Line Items]
Assets	$ 321.0				$ 264.1				$ 321.0	$ 264.1	$ 642.4