Product Line Revenues from External Customers (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Net Sales	[1]	$ 1,037.6	$ 967.9	$ 3,071.5	$ 2,743.1
Operating Segments | Consumer Domestic
Segment Reporting Information [Line Items]
Net Sales	[1]	784.9	729.2	2,310.4	2,067.1
Operating Segments | Consumer Domestic | Household Products
Segment Reporting Information [Line Items]
Net Sales		448.9	423.3	1,291.8	1,228.6
Operating Segments | Consumer Domestic | Personal Care Products
Segment Reporting Information [Line Items]
Net Sales		336.0	305.9	1,018.6	838.5
Operating Segments | Consumer International
Segment Reporting Information [Line Items]
Net Sales	[1]	174.1	162.8	530.9	451.0
Operating Segments | Specialty Products
Segment Reporting Information [Line Items]
Net Sales	[1]	$ 78.6	$ 75.9	$ 230.2	$ 225.0

[1] Intersegment sales from Consumer International to Consumer Domestic, which are not reflected in the table, were $1.9 and $1.5 for the three months ended September 30, 2018 and September 30, 2017, respectively, and were $4.5 and $4.2 for the nine months ended September 30, 2018 and September 30, 2017, respectively.