Selected Financial Information Relating To Company's Segments (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Net Sales	[1]	$ 1,044.7	$ 1,006.0
Income Before Income Taxes	[2]	225.1	200.7
Operating Segments | Consumer Domestic
Segment Reporting Information [Line Items]
Net Sales	[1]	784.9	751.4
Income Before Income Taxes	[2]	182.7	159.3
Operating Segments | Consumer International
Segment Reporting Information [Line Items]
Net Sales	[1]	186.7	180.7
Income Before Income Taxes	[2]	28.4	27.7
Operating Segments | Specialty Products
Segment Reporting Information [Line Items]
Net Sales	[1]	73.1	73.9
Income Before Income Taxes	[2]	12.3	11.6
Corporate
Segment Reporting Information [Line Items]
Net Sales	[1]	0.0	0.0
Income Before Income Taxes	[2]	$ 1.7	$ 2.1

[1] Intersegment sales from Consumer International to Consumer Domestic, which are not reflected in the table, were $2.3 and $0.9 for the three months ended March 31, 2019 and March 31, 2018, respectively

[2] In determining Income before Income Taxes, interest expense, investment earnings and certain aspects of other income and expense were allocated among segments based upon each segment’s relative Income from Operations.