Acquisitions - Additional Information (Details) - USD ($) $ in Millions							3 Months Ended								12 Months Ended
	Mar. 08, 2018	Aug. 07, 2017	May 01, 2017	Jan. 17, 2017	Dec. 22, 2016	Jan. 04, 2016	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Net Sales							$ 1,074.4	$ 1,037.6	$ 1,027.9	$ 1,006.0	$ 1,033.1	$ 967.9	$ 898.0	$ 877.2	$ 4,145.9	$ 3,776.2	$ 3,493.1
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								$ 7.3
Net Sales																21.0
Passport Food Safety Solutions, Inc. | Maximum
Business Acquisition [Line Items]
Payment to be made if certain operating performance is achieved	$ 25.0						25.0								$ 25.0
Average life of the amortizable intangible assets, years	15 years
Passport Food Safety Solutions, Inc. | Minimum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years	10 years
Water Pik Inc
Business Acquisition [Line Items]
Purchase price subject to working capital adjustment		$ 1,024.6
Net Sales		$ 265.0														3,776.2	3,493.1
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
Agro Bio Sciences Inc
Business Acquisition [Line Items]
Purchase price subject to working capital adjustment			$ 75.0
Date of business acquisition															May 01, 2017
Contingent consideration arrangements, basis for amount															additional payment of up to $25.0 after 3 years based on sales performance.
Payment to be made if certain operating performance is achieved							17.8				17.8				$ 17.8	17.8
Net Sales																	11.0
Payment period for achieving certain operating performance target			3 years
Increased and decreased estimate of contingent consideration liability															(7.5)
Agro Bio Sciences Inc | Updated Financial Performance Forecasts
Business Acquisition [Line Items]
Payment to be made if certain operating performance is achieved							15.7				$ 23.2				15.7	23.2
Agro Bio Sciences Inc | Updated Financial Performance Forecasts | Selling, General and Administrative Expenses | Specialty Products
Business Acquisition [Line Items]
Increased and decreased estimate of contingent consideration liability																$ 5.4
Agro Bio Sciences Inc | Maximum
Business Acquisition [Line Items]
Payment to be made if certain operating performance is achieved			$ 25.0				$ 25.0								$ 25.0
Average life of the amortizable intangible assets, years			15 years
Agro Bio Sciences Inc | Minimum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years			5 years
VIVISCAL
Business Acquisition [Line Items]
Date of business acquisition															Jan. 17, 2017
Net Sales																	$ 44.0
Purchase price				$ 160.3
VIVISCAL | Maximum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years				20 years
VIVISCAL | Minimum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years				15 years
Anusol Acquisition
Business Acquisition [Line Items]
Date of business acquisition																	Dec. 22, 2016
Net Sales																	$ 24.0
Purchase price					$ 130.0
Anusol Acquisition | Maximum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years					20 years
Anusol Acquisition | Minimum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years					15 years
Spencer Forrest, Inc
Business Acquisition [Line Items]
Date of business acquisition																	Jan. 04, 2016
Purchase price						$ 175.3
Spencer Forrest, Inc | Maximum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years						20 years
Spencer Forrest, Inc | Minimum
Business Acquisition [Line Items]
Average life of the amortizable intangible assets, years						10 years