Selected Financial Information Relating To Company's Segments (Parenthetical) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Net Sales	[1]	$ 967.9	$ 870.7	$ 2,743.1	$ 2,597.1
Consumer International
Segment Reporting Information [Line Items]
Pension settlement charge				39.2
Intersegment sales
Segment Reporting Information [Line Items]
Net Sales		$ 1.5	$ 1.0	$ 4.2	$ 3.0

[1] Intersegment sales from Consumer International to Consumer Domestic, which are not reflected in the table, were $1.5 and $1.0 for the three months ended September 30, 2017 and September 30, 2016, respectively, and were $4.2 and $3.0 for the nine months ended September 30, 2017 and September 30, 2016, respectively.