Acquisition - Additional Information (Details) - USD ($) $ in Millions				3 Months Ended		9 Months Ended		12 Months Ended
		Mar. 08, 2018	Aug. 07, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Business Acquisition [Line Items]
Net Sales	[1]			$ 1,037.6	$ 967.9	$ 3,071.5	$ 2,743.1
Passport Food Safety Solutions, Inc.
Business Acquisition [Line Items]
Purchase price subject to working capital adjustment		$ 50.0
Date of business acquisition						Mar. 08, 2018
Contingent consideration arrangements, basis for amount						additional payment of up to $25.0 based on sales performance through 2020
Payment to be made if certain operating performance is achieved		$ 7.3
Net Sales								$ 21.0
Passport Food Safety Solutions, Inc. | Minimum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years		10 years
Passport Food Safety Solutions, Inc. | Maximum
Business Acquisition [Line Items]
Payment to be made if certain operating performance is achieved		$ 25.0
Average life of the amortizable intangible assets, years		15 years
Water Pik Inc
Business Acquisition [Line Items]
Purchase price subject to working capital adjustment			$ 1,024.6
Net Sales			$ 265.0		$ 967.9		$ 2,743.1
Average life of the amortizable intangible assets, years			15 years
Proceeds from underwritten public offering			$ 1,425.0
Senior notes acquisitions completed date			Jul. 25, 2017

[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.