Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Line Items]
Beginning balance	$ 1,992.9	$ 1,958.9
Ending balance	2,079.5	1,992.9
Other	(1.3)
Water Pik Inc
Goodwill [Line Items]
Beginning balance		425.8
Goodwill adjustment		1.5
Flawless Acquisition
Goodwill [Line Items]
Goodwill acquired during the period	87.9
Passport Food Safety Solutions, Inc.
Goodwill [Line Items]
Beginning balance	32.5
Goodwill acquired during the period		32.5
Ending balance		32.5
Consumer Domestic
Goodwill [Line Items]
Beginning balance	1,633.2	1,632.1
Ending balance	1,707.9	1,633.2
Other	0.0
Consumer Domestic | Water Pik Inc
Goodwill [Line Items]
Goodwill adjustment		1.1
Consumer Domestic | Flawless Acquisition
Goodwill [Line Items]
Goodwill acquired during the period	74.7
Consumer Domestic | Passport Food Safety Solutions, Inc.
Goodwill [Line Items]
Goodwill acquired during the period		0.0
Consumer International
Goodwill [Line Items]
Beginning balance	223.7	223.3
Ending balance	235.6	223.7
Other	(1.3)
Consumer International | Water Pik Inc
Goodwill [Line Items]
Goodwill adjustment		0.4
Consumer International | Flawless Acquisition
Goodwill [Line Items]
Goodwill acquired during the period	13.2
Consumer International | Passport Food Safety Solutions, Inc.
Goodwill [Line Items]
Goodwill acquired during the period		0.0
Specialty Products
Goodwill [Line Items]
Beginning balance	136.0	103.5
Ending balance	136.0	136.0
Other	0.0
Specialty Products | Water Pik Inc
Goodwill [Line Items]
Goodwill adjustment		0.0
Specialty Products | Flawless Acquisition
Goodwill [Line Items]
Goodwill acquired during the period	$ 0.0
Specialty Products | Passport Food Safety Solutions, Inc.
Goodwill [Line Items]
Goodwill acquired during the period		$ 32.5